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Total properties:
20
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|
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Patent #:
|
|
Issue Dt:
|
08/21/1984
|
Application #:
|
06445053
|
Filing Dt:
|
11/29/1982
|
|
Title:
|
ROTARY DRILL BIT MULTIPLE SEAL ASSEMBLY
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|
|
|
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Patent #:
|
|
Issue Dt:
|
08/27/1985
|
Application #:
|
06592182
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Filing Dt:
|
03/22/1984
|
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Title:
|
RADIAL ROCK BIT SEAL
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|
|
|
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Patent #:
|
|
Issue Dt:
|
05/28/1985
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Application #:
|
06598229
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Filing Dt:
|
04/09/1984
|
|
Title:
|
GENERALLY CYLINDRICAL ROTARY DRILL FACE SEAL HAVING IMPROVED RESISTANCE TO RADIAL DISTORTION
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|
|
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Patent #:
|
|
Issue Dt:
|
03/15/1988
|
Application #:
|
06902463
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Filing Dt:
|
08/29/1986
|
|
Title:
|
ROCK BIT CONE LOCK AND METHOD
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|
|
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Patent #:
|
|
Issue Dt:
|
03/27/1990
|
Application #:
|
07313882
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Filing Dt:
|
02/22/1989
|
|
Title:
|
ROCK BIT LOOSE CONE INDICATOR
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|
|
|
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Patent #:
|
|
Issue Dt:
|
12/24/1991
|
Application #:
|
07522106
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Filing Dt:
|
05/11/1990
|
|
Title:
|
ROCK BIT WITH IMPROVED SHANK PROTECTION
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|
|
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Patent #:
|
|
Issue Dt:
|
09/08/1992
|
Application #:
|
07647849
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Filing Dt:
|
01/30/1991
|
|
Title:
|
ROCK BIT WITH REAMING ROWS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/30/1993
|
Application #:
|
07704056
|
Filing Dt:
|
05/22/1991
|
|
Title:
|
ROCK BIT WITH VECTORED INSERTS
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|
|
|
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Patent #:
|
|
Issue Dt:
|
09/14/1993
|
Application #:
|
07840810
|
Filing Dt:
|
04/06/1992
|
|
Title:
|
ROCK BIT WITH OFFSET TOOL PORT
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/01/1994
|
Application #:
|
08007257
|
Filing Dt:
|
01/21/1993
|
|
Title:
|
ROLLER CONE CORE BIT WITH SPIRAL STABILIZERS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/03/1995
|
Application #:
|
08082238
|
Filing Dt:
|
06/24/1993
|
|
Title:
|
ROLLER CONE CORE BIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/02/2001
|
Application #:
|
09282950
|
Filing Dt:
|
04/01/1999
|
|
Title:
|
ONE CONE ROTARY DRILL BIT FEATURING ENHANCED GROOVES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/13/2001
|
Application #:
|
09282951
|
Filing Dt:
|
04/01/1999
|
|
Title:
|
SHARP GAGE FOR MILL TOOTH ROCKBITS
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/20/2002
|
Application #:
|
09773884
|
Filing Dt:
|
02/01/2001
|
|
Publication #:
|
|
Pub Dt:
|
06/28/2001
| | | | |
|
Title:
|
SHARP GAGE FOR MILL TOOTH ROCK BITS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/08/2004
|
Application #:
|
10209832
|
Filing Dt:
|
08/01/2002
|
|
Title:
|
ADJUSTABLE EARTH BORING DEVICE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/07/2005
|
Application #:
|
10210806
|
Filing Dt:
|
08/01/2002
|
|
Title:
|
ROLLER CONE BI-CENTER BIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/11/2006
|
Application #:
|
10419589
|
Filing Dt:
|
04/21/2003
|
|
Title:
|
ROCK BIT WITH CHANNEL STRUCTURE FOR RETAINING CUTTER SEGMENTS
|
|
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
11073051
|
Filing Dt:
|
03/04/2005
|
|
Publication #:
|
|
Pub Dt:
|
09/07/2006
| | | | |
|
Title:
|
Modular kerfing drill bit
|
|
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
11141222
|
Filing Dt:
|
05/31/2005
|
|
Publication #:
|
|
Pub Dt:
|
11/30/2006
| | | | |
|
Title:
|
Directable nozzle for rock drilling bits
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/12/2013
|
Application #:
|
12740390
|
Filing Dt:
|
04/29/2010
|
|
Publication #:
|
|
Pub Dt:
|
09/16/2010
| | |
PCT #:
|
US0778432
|
|
Title:
|
PRESSURE COMPENSATOR FOR DRILL BIT
|
|
