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Total properties:
20
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Patent #:
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Issue Dt:
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12/29/1992
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Application #:
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07701852
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Filing Dt:
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05/17/1991
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Title:
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MODULAR CLUSTER DRILL APPARATUS
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Patent #:
|
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Issue Dt:
|
09/01/1992
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Application #:
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07766866
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Filing Dt:
|
09/27/1991
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Title:
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DEVICE FOR REMOVING DEBRIS FROM A DRILLHOLE
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|
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Patent #:
|
|
Issue Dt:
|
08/18/1992
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Application #:
|
07766867
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Filing Dt:
|
09/27/1991
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Title:
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METHOD FOR REMOVING DEBRIS FROM A DRILLHOLE
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Patent #:
|
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Issue Dt:
|
08/31/1993
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Application #:
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07871424
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Filing Dt:
|
04/21/1992
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Title:
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DEVICE FOR REMOVING DRILLHOLE DEBRIS
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Patent #:
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Issue Dt:
|
07/05/1994
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Application #:
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08014441
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Filing Dt:
|
02/05/1993
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Title:
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REVERSIBLE CASING FOR A DOWN-THE-HOLE PERCUSSIVE APPARATUS
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Patent #:
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Issue Dt:
|
04/12/1994
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Application #:
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08028749
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Filing Dt:
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03/09/1993
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Title:
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PRESSURE REVERSING VALVE FOR A FLUID-ACTUATED, PERCUSSIVE DRILLING APPARATUS
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Patent #:
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Issue Dt:
|
02/21/1995
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Application #:
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08191821
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Filing Dt:
|
01/31/1994
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Title:
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APPARATUS FOR POSITIONING A SPLIT RETAINING RING IN A DOWN-HOLE PERCUSSIVE DRILL
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|
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Patent #:
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Issue Dt:
|
10/22/1996
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Application #:
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08520799
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Filing Dt:
|
08/30/1995
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Title:
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REVERSIBLE CASING FOR A SELF-LUBRICATING, FLUID-ACTUATED, PERCUSSIVE DOWN-THE-HOLE DRILL
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|
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Patent #:
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Issue Dt:
|
08/18/1998
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Application #:
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08520801
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Filing Dt:
|
08/30/1995
|
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Title:
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PISTON FOR A SELF-LUBRICATING, FLUID-ACTUATED, PERCUSSIVE DOWN-THE-HOLE DRILL
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|
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Patent #:
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|
Issue Dt:
|
10/08/1996
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Application #:
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08520812
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Filing Dt:
|
08/30/1995
|
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Title:
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SELF-LUBRICATING, FLUID-ACTUATED, PERCUSSIVE DOWN-THE-HOLE DRILL
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|
|
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Patent #:
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|
Issue Dt:
|
11/04/1997
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Application #:
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08576029
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Filing Dt:
|
12/21/1995
|
|
Title:
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WATER SEPARATOR FOR A DOWN HOLE DRILL
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|
|
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Patent #:
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|
Issue Dt:
|
04/07/1998
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Application #:
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08660630
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Filing Dt:
|
06/06/1996
|
|
Title:
|
INDEXING PERCUSSIVE DRILLING BIT
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|
|
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Patent #:
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|
Issue Dt:
|
07/15/1997
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Application #:
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08662725
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Filing Dt:
|
06/10/1996
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Title:
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A BIT RETENTION DEVICE FOR A BIT AND CHUCK ASSEMBLY OF A DOWN-THE-HOLEPERCUSSIVE DRILL
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|
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Patent #:
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|
Issue Dt:
|
12/23/1997
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Application #:
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08688933
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Filing Dt:
|
07/31/1996
|
|
Title:
|
BIT RETENTION DEVICE FOR A BIT AND CHUCK ASSEMBLY OF A DOWN-THE-HOLE, PERCUSSIVE DRILL
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|
|
|
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Patent #:
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|
Issue Dt:
|
01/27/1998
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Application #:
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08740543
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Filing Dt:
|
10/30/1996
|
|
Title:
|
SELF-LUBRICATING, FLUID-ACTUATED, PERCUSSIVE DOWN-THE-HOLE DRILL
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|
|
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Patent #:
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|
Issue Dt:
|
10/24/2000
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Application #:
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09292516
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Filing Dt:
|
04/15/1999
|
|
Title:
|
VENTING AND SEALING SYSTEM FOR DOWN-HOLE DRILLS
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|
|
|
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Patent #:
|
|
Issue Dt:
|
01/09/2001
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Application #:
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09330707
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Filing Dt:
|
06/11/1999
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Title:
|
BACKHEAD AND CHECK VALVE FOR DOWN-HOLE DRILLS
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|
|
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Patent #:
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|
Issue Dt:
|
11/02/2004
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Application #:
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10380893
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Filing Dt:
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03/20/2003
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Publication #:
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|
Pub Dt:
|
01/22/2004
| | | | |
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Title:
|
QUICK RELEASE DRILL BIT FOR DOWN-HOLE DRILLS
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|
|
|
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Patent #:
|
|
Issue Dt:
|
10/05/2004
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Application #:
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10600470
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Filing Dt:
|
06/20/2003
|
|
Title:
|
PERCUSSIVE DRILL WITH ADJUSTABLE FLOW CONTROL
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|
|
|
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Patent #:
|
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Issue Dt:
|
04/14/1998
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Application #:
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29055588
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Filing Dt:
|
06/07/1996
|
|
Title:
|
DRIVE PIN FOR A BIT AND CHECK COMBINATION IN A PERCUSSION DRILLING MACHINE
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