Total properties:
82
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Patent #:
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Issue Dt:
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04/11/1967
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Application #:
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04317276
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Filing Dt:
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10/18/1963
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Title:
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BELLEVILLE SPRING AND SEAL RING
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Patent #:
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Issue Dt:
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Application #:
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04441131
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04509480
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04537920
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04552788
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04564426
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Issue Dt:
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01/02/1968
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Application #:
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04573770
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Filing Dt:
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08/04/1966
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Title:
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JOURNAL BEARING
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Patent #:
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Issue Dt:
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Application #:
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04576170
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Filing Dt:
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04586251
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Filing Dt:
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Application #:
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04658513
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04662232
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Filing Dt:
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Issue Dt:
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04/02/1974
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Application #:
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04730671
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Filing Dt:
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04/18/1968
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Title:
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HARDFACING COMPOSITIONS AND GAGE HARDFACING ON ROLLING CUTTER ROCK BIT S
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Patent #:
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Issue Dt:
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Application #:
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05091699
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05195999
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Filing Dt:
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Title:
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Issue Dt:
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Application #:
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05200913
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Filing Dt:
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Title:
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Application #:
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05219669
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Filing Dt:
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Application #:
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05240462
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Application #:
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05332468
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Filing Dt:
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Title:
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Issue Dt:
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Application #:
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05332471
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05332472
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05349045
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05373205
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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10/22/1974
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Application #:
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05387565
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Filing Dt:
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08/10/1973
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Title:
|
BORONIZED DRILL BIT CUTTERS
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Patent #:
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Issue Dt:
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11/25/1975
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Application #:
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05387566
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Filing Dt:
|
08/10/1973
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Title:
|
WEAR RESISTANT BORONIZED SURFACES AND BORONIZING
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Patent #:
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Issue Dt:
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Application #:
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05466641
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05484837
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05484838
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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12/14/1976
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Application #:
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05524919
|
Filing Dt:
|
11/18/1974
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Title:
|
HEAT TREATMENT OF WELDS
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Patent #:
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Issue Dt:
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Application #:
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05527110
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05529302
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05535871
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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10/19/1976
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Application #:
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05536529
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Filing Dt:
|
12/26/1974
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Title:
|
EXHAUST MEANS FOR PERCUSSION TOOL MOTORS
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Patent #:
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Issue Dt:
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Application #:
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05571447
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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07/20/1976
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Application #:
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05572545
|
Filing Dt:
|
04/28/1975
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Title:
|
TOOTH LOADING FOR EARTH BORING BITS
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Patent #:
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Issue Dt:
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Application #:
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05582492
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05582506
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05616537
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05657990
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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10/25/1977
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Application #:
|
05687131
|
Filing Dt:
|
05/17/1976
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Title:
|
LUBRICANT PRESSURE COMPENSATOR FOR AN EARTH BORING DRILL BIT
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Patent #:
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Issue Dt:
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Application #:
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05719204
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05756576
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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05783924
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Filing Dt:
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Title:
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|
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Patent #:
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Issue Dt:
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01/06/1981
|
Application #:
|
05790795
|
Filing Dt:
|
04/25/1977
|
Title:
|
SURFACE SMOOTHED TOOL JOINT HARDFACING
|
|
|
Patent #:
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|
Issue Dt:
|
07/10/1979
|
Application #:
|
05854963
|
Filing Dt:
|
11/25/1977
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Title:
|
HEAT TREATMENT OF WELDS
|
|
|
Patent #:
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|
Issue Dt:
|
07/07/1981
|
Application #:
|
05885723
|
Filing Dt:
|
03/13/1978
|
Title:
|
BIASED LUBRICANT COMPENSATOR FOR AN EARTH BORING DRILL BIT
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|
|
Patent #:
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Issue Dt:
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Application #:
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05887405
|
Filing Dt:
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Title:
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|
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Patent #:
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Issue Dt:
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Application #:
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05915094
|
Filing Dt:
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Title:
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|
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Patent #:
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|
Issue Dt:
|
05/13/1980
|
Application #:
|
05918640
|
Filing Dt:
|
06/23/1978
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Title:
|
DRILL PIPE IDENTIFICATION METHOD AND SYSTEM
|
|
|
Patent #:
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|
Issue Dt:
|
01/20/1981
|
Application #:
|
05921700
|
Filing Dt:
|
07/03/1978
|
Title:
|
CENTRIFUGAL WATER-AIR SEPARATION IN EARTH DRILLING BITS
|
|
|
Patent #:
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|
Issue Dt:
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|
Application #:
|
05923835
|
Filing Dt:
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|
Title:
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|
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Patent #:
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|
Issue Dt:
|
10/14/1980
|
Application #:
|
05974168
|
Filing Dt:
|
12/28/1978
|
Title:
|
SURFACE SMOOTHED TOOL JOINT HARDFACING WITH GRINDABLE TIE-IN
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|
|
Patent #:
|
|
Issue Dt:
|
12/02/1980
|
Application #:
|
06006706
|
Filing Dt:
|
01/26/1979
|
Title:
|
EARTH BORING DRILL BIT WITH SNAP RING CUTTER RETENTION
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|
|
Patent #:
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|
Issue Dt:
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|
Application #:
|
06007264
|
Filing Dt:
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|
Title:
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|
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Patent #:
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|
Issue Dt:
|
11/24/1981
|
Application #:
|
06128695
|
Filing Dt:
|
03/10/1980
|
Title:
|
CLAD MUD NOZZLE
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|
|
Patent #:
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|
Issue Dt:
|
06/07/1983
|
Application #:
|
06145549
|
Filing Dt:
|
05/01/1980
|
Title:
|
PLUNGER LUBRICANT COMPENSATOR FOR AN EARTH BORING DRILL BIT
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|
|
Patent #:
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|
Issue Dt:
|
08/10/1982
|
Application #:
|
06161701
|
Filing Dt:
|
06/23/1980
|
Title:
|
GAGE ROW STRUCTURE OF AN EARTH BORING DRILL BIT
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|
|
Patent #:
|
|
Issue Dt:
|
08/17/1982
|
Application #:
|
06174483
|
Filing Dt:
|
08/01/1980
|
Title:
|
EARTH BORING DRILL BIT WITH SNAP RING CUTTER RETENTION
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Patent #:
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Issue Dt:
|
03/01/1983
|
Application #:
|
06177292
|
Filing Dt:
|
08/11/1980
|
Title:
|
SEALED AND LUBRICATED ROCK BIT WITH AIR PROTECTED SEAL RING
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|
|
Patent #:
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Issue Dt:
|
11/16/1982
|
Application #:
|
06184708
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Filing Dt:
|
09/08/1980
|
Title:
|
EARTH BORING BIT WITH EXTENDED GAGE
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Patent #:
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|
Issue Dt:
|
06/07/1983
|
Application #:
|
06188443
|
Filing Dt:
|
09/19/1980
|
Title:
|
SEALED LUBRICATED AND AIR COOLED ROCK BIT BEARING
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Patent #:
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|
Issue Dt:
|
02/14/1984
|
Application #:
|
06235481
|
Filing Dt:
|
02/18/1981
|
Title:
|
STRESSED RELIEVED BIT LEG FOR AN EARTH BORING BIT
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Patent #:
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Issue Dt:
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06/07/1983
|
Application #:
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06238258
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Filing Dt:
|
02/25/1981
|
Title:
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COOLED JOURNAL BEARING
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Patent #:
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Issue Dt:
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03/27/1984
|
Application #:
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06238720
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Filing Dt:
|
02/27/1981
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Title:
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TOOL JOINT BENCH MARK
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Patent #:
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Issue Dt:
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09/27/1983
|
Application #:
|
06249583
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Filing Dt:
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03/31/1981
|
Title:
|
INSERT WITH LOCKING PROJECTION
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|
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Patent #:
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|
Issue Dt:
|
08/23/1983
|
Application #:
|
06288712
|
Filing Dt:
|
07/31/1981
|
Title:
|
NOZZLE RETAINING RING WITH CRUSHED O-RING
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Patent #:
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|
Issue Dt:
|
09/06/1983
|
Application #:
|
06311500
|
Filing Dt:
|
10/15/1981
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Title:
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DRILL STRING SHOCK ABSORBER WITH PRESSURIZED LUBRICANT SYSTEM
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|
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Patent #:
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Issue Dt:
|
01/01/1985
|
Application #:
|
06325608
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Filing Dt:
|
11/27/1981
|
Title:
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EARTH BORING DRILL BIT WITH SNAP RING CUTTER RETENTION
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Patent #:
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Issue Dt:
|
11/15/1983
|
Application #:
|
06326083
|
Filing Dt:
|
11/30/1981
|
Title:
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TRIAD FOR ROCK BIT ASSEMBLY
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Patent #:
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Issue Dt:
|
05/01/1984
|
Application #:
|
06327524
|
Filing Dt:
|
12/04/1981
|
Title:
|
TELEMETRY DRILL PIPE WITH PRESSURE SENSITIVE CONTACTS
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Patent #:
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|
Issue Dt:
|
12/20/1983
|
Application #:
|
06327525
|
Filing Dt:
|
12/04/1981
|
Title:
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ROCK BIT WITH IMPROVED SHIRTTAIL VENTILATION
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Patent #:
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Issue Dt:
|
05/29/1984
|
Application #:
|
06389782
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Filing Dt:
|
06/18/1982
|
Title:
|
SPACED BUTTON THRUST SURFACE FOR EARTH BORING BIT
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|
|
Patent #:
|
|
Issue Dt:
|
04/02/1985
|
Application #:
|
06448671
|
Filing Dt:
|
12/10/1982
|
Title:
|
CLAMPING ASSEMBLY
|
|
|
Patent #:
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|
Issue Dt:
|
01/31/1984
|
Application #:
|
06497217
|
Filing Dt:
|
05/27/1983
|
Title:
|
FLOATING SEAL FOR EARTH BORING BIT
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|
|
Patent #:
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|
Issue Dt:
|
03/26/1985
|
Application #:
|
06538648
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Filing Dt:
|
10/03/1983
|
Title:
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METHOD OF CONNECTING JOINTS OF DRILL PIPE
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Patent #:
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|
Issue Dt:
|
05/14/1985
|
Application #:
|
06542801
|
Filing Dt:
|
10/17/1983
|
Title:
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EARTH BORING BIT WITH PRESSURE COMPENSATING RIGID FACE SEAL
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|
Patent #:
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|
Issue Dt:
|
05/07/1985
|
Application #:
|
06555735
|
Filing Dt:
|
11/28/1983
|
Title:
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AIR GROOVE SCRAPER
|
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|
Patent #:
|
|
Issue Dt:
|
05/28/1985
|
Application #:
|
06559651
|
Filing Dt:
|
12/09/1983
|
Title:
|
EARTH BORING BIT WITH PRESSURE COMPENSATING BEARING SEAL
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|
|
Patent #:
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|
Issue Dt:
|
04/28/1987
|
Application #:
|
06561487
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Filing Dt:
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12/14/1983
|
Title:
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DYNAMIC DOWNHOLE RECORDER
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Patent #:
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|
Issue Dt:
|
03/11/1986
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Application #:
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06566962
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Filing Dt:
|
12/29/1983
|
Title:
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SOLID HEAD BIT WITH TUNGSTEN CARBIDE CENTRAL CORE
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Patent #:
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|
Issue Dt:
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10/29/1985
|
Application #:
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06578318
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Filing Dt:
|
02/13/1984
|
Title:
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OPPOSED BUTTON THRUST SURFACES FOR EARTH BORING BITS
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Patent #:
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Issue Dt:
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Application #:
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UNAVAILABLE
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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Application #:
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UNAVAILABLE
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Filing Dt:
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Title:
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