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Total properties:
20
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Patent #:
|
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Issue Dt:
|
06/04/1991
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Application #:
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07483024
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Filing Dt:
|
02/22/1990
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Title:
|
WIRE LINE CORE DRILLING APPARATUS
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|
|
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Patent #:
|
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Issue Dt:
|
12/07/1993
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Application #:
|
07865355
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Filing Dt:
|
04/08/1992
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Title:
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DRILLING LATCH APPARATUS
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Patent #:
|
|
Issue Dt:
|
07/05/1994
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Application #:
|
08015632
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Filing Dt:
|
02/09/1993
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Title:
|
OVERCENTER TOGGLE LATCH APPARATUS
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|
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Patent #:
|
|
Issue Dt:
|
08/18/1998
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Application #:
|
08567184
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Filing Dt:
|
12/12/1995
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Title:
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DRILLING RIG
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Patent #:
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Issue Dt:
|
11/03/1998
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Application #:
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08644862
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Filing Dt:
|
05/10/1996
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Title:
|
CEMENTED CARBIDE
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Patent #:
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Issue Dt:
|
08/04/1998
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Application #:
|
08772860
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Filing Dt:
|
12/24/1996
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Title:
|
ROD JOINT
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Patent #:
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Issue Dt:
|
08/10/1999
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Application #:
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08802557
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Filing Dt:
|
02/19/1997
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Title:
|
CORE BARREL APPARATUS
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|
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|
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Patent #:
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Issue Dt:
|
08/03/1999
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Application #:
|
08922475
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Filing Dt:
|
09/03/1997
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Title:
|
MANUFACTURE OF A METAL BONDED ABRASIVE PRODUCT
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|
|
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Patent #:
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|
Issue Dt:
|
02/29/2000
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Application #:
|
08976884
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Filing Dt:
|
11/24/1997
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Title:
|
RETRACTABLE CORE BARREL VALVING APPARATUS
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|
|
|
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Patent #:
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Issue Dt:
|
08/29/2000
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Application #:
|
09125629
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Filing Dt:
|
11/16/1998
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|
Title:
|
SHANK ADAPTER
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|
|
|
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Patent #:
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|
Issue Dt:
|
08/29/2000
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Application #:
|
09184998
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Filing Dt:
|
11/03/1998
|
|
Title:
|
CABLE OVERSHOT APPARATUS
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|
|
|
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Patent #:
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|
Issue Dt:
|
02/13/2001
|
Application #:
|
09209821
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Filing Dt:
|
10/22/1998
|
|
Title:
|
CLOSED LOOP CONTROL SYSTEM FOR DIAMOND CORE DRILLING
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|
|
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Patent #:
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|
Issue Dt:
|
07/18/2000
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Application #:
|
09212551
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Filing Dt:
|
12/16/1998
|
|
Title:
|
POSITIVE LATCH CORE BARREL APPARATUS
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|
|
|
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Patent #:
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|
Issue Dt:
|
07/23/2002
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Application #:
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09501343
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Filing Dt:
|
02/09/2000
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Title:
|
ROCK DRILL HANDLE
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|
|
|
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Patent #:
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Issue Dt:
|
04/16/2002
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Application #:
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09518050
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Filing Dt:
|
03/02/2000
|
|
Title:
|
Bore hole grouting apparatus and method
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|
|
|
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Patent #:
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|
Issue Dt:
|
09/24/2002
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Application #:
|
09721985
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Filing Dt:
|
11/27/2000
|
|
Title:
|
ROTARY BORING BIT AND BORER
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|
|
|
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Patent #:
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|
Issue Dt:
|
07/30/2002
|
Application #:
|
09779258
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Filing Dt:
|
02/08/2001
|
|
Title:
|
UP-HOLE PUMP-IN CORE BARREL APPARATUS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/20/2003
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Application #:
|
09845060
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Filing Dt:
|
04/27/2001
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|
Publication #:
|
|
Pub Dt:
|
10/31/2002
| | | | |
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Title:
|
UP-HOLE OVERSHOT AND SAFETY DRILLING APPARATUS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/09/2003
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Application #:
|
10043081
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Filing Dt:
|
01/07/2002
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|
Publication #:
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|
Pub Dt:
|
07/10/2003
| | | | |
|
Title:
|
CONTINUOUS FEED DRILLING SYSTEM
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|
|
|
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Patent #:
|
|
Issue Dt:
|
04/13/2004
|
Application #:
|
10066237
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Filing Dt:
|
10/26/2001
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Publication #:
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Pub Dt:
|
05/01/2003
| | | | |
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Title:
|
DRILL STRING CHUCK
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