|
Total properties:
70
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/24/1985
|
Application #:
|
06365614
|
Filing Dt:
|
04/05/1982
|
|
Title:
|
THRUST BEARING ASSEMBLY FOR A DOWNHOLE DRILL MOTOR
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/07/1987
|
Application #:
|
06784261
|
Filing Dt:
|
10/04/1985
|
|
Title:
|
ANGLE DEVIATION TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/07/1987
|
Application #:
|
06784262
|
Filing Dt:
|
10/04/1985
|
|
Title:
|
REMOTE CONTROL SELECTOR VALVE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/16/1988
|
Application #:
|
07050229
|
Filing Dt:
|
05/14/1987
|
|
Title:
|
PCD ENHANCED RADIAL BEARING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/06/1988
|
Application #:
|
07158771
|
Filing Dt:
|
02/22/1988
|
|
Title:
|
COOLING NETWORKS FOR PCD BEARING SURFACES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/26/1991
|
Application #:
|
07356270
|
Filing Dt:
|
05/23/1989
|
|
Title:
|
SYSTEM AND METHOD FOR CONTROLLED DIRECTIONAL DRILLING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/16/1990
|
Application #:
|
07500321
|
Filing Dt:
|
03/28/1990
|
|
Title:
|
DOWNHOLE MOTOR WITH AN ENLARGED CONNECTING ROD HOUSING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/11/1991
|
Application #:
|
07508157
|
Filing Dt:
|
04/12/1990
|
|
Title:
|
METHOD FOR DISCRIMINATING MICROPHONIC NOISE IN PROPORTIONAL COUNTERS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/03/1991
|
Application #:
|
07550842
|
Filing Dt:
|
07/10/1990
|
|
Title:
|
AZIMUTHAL ORIENTED COIL ARRAY FOR MWD RESISTIVITY LOGGING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/03/1992
|
Application #:
|
07686772
|
Filing Dt:
|
04/17/1991
|
|
Title:
|
SHORT HOP COMMUNICATION LINK FOR DOWNHOLE MWD SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/23/1993
|
Application #:
|
07786640
|
Filing Dt:
|
11/01/1991
|
|
Title:
|
DOWNHOLE TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/15/1992
|
Application #:
|
07798383
|
Filing Dt:
|
11/26/1991
|
|
Title:
|
MOINEAU MOTOR WITH CONDUITS THROUGH TEH STATOR
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/26/1994
|
Application #:
|
07965200
|
Filing Dt:
|
10/23/1992
|
|
Title:
|
METHOD AND APPARATUS FOR AUTOMATIC CLOSED LOOP DRILLING SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/07/1994
|
Application #:
|
07965345
|
Filing Dt:
|
10/23/1992
|
|
Title:
|
METHOD AND APPARATUS FOR ADJUSTING THE POSITION OF STABILIZER BLADES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/07/1994
|
Application #:
|
07965347
|
Filing Dt:
|
10/23/1992
|
|
Title:
|
ADJUSTABLE STABILIZER
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/29/1993
|
Application #:
|
07981913
|
Filing Dt:
|
11/23/1992
|
|
Title:
|
SMALL INCISION INTRAOCULAR LENS INSERTION APPARATUS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/10/1996
|
Application #:
|
08095466
|
Filing Dt:
|
07/23/1993
|
|
Title:
|
MEASUREMENT-WHILE-DRILLING SYSTEM AND METHOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/25/1994
|
Application #:
|
08125499
|
Filing Dt:
|
09/22/1993
|
|
Title:
|
METHOD AND APPARATUS FOR CORRECTING MWD POROSITY MEASUREMENT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/06/1995
|
Application #:
|
08176736
|
Filing Dt:
|
01/03/1994
|
|
Title:
|
METHOD AND APPARATUS FOR THE VERIFICATION OF HELIUM-3 PROPORTIONAL COUNTERS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/18/1996
|
Application #:
|
08216919
|
Filing Dt:
|
03/23/1994
|
|
Title:
|
ARTICULABLE JOINT AND JOINT ASSEMBLY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/23/1996
|
Application #:
|
08219062
|
Filing Dt:
|
03/29/1994
|
|
Title:
|
STANDOFF COMPENSATION FOR NUCLEAR LOGGING WHILE DRILLING SYSTEMS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/08/1996
|
Application #:
|
08259638
|
Filing Dt:
|
06/14/1994
|
|
Title:
|
WELL LOGGING APPARATUS HAVING A REMOVABLE SLEEVE FOR SEALING AND PROTECTING MULTIPLE ANTENNA ARRAYS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/17/1995
|
Application #:
|
08260289
|
Filing Dt:
|
06/14/1994
|
|
Title:
|
APPARATUS AND METHOD FOR ELECTRICALLY A REFRACTORY LINED VESSEL BY DIRECTLY PASSING CURRENT THROUGH AN ELECTRICALLY CONDUCTIVE REFRACTORY VIA A RESILIENT ELECTRODE ASSEMBLY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/12/1995
|
Application #:
|
08284389
|
Filing Dt:
|
08/02/1994
|
|
Title:
|
COUPLING ASSEMBLY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/17/1996
|
Application #:
|
08290653
|
Filing Dt:
|
08/15/1994
|
|
Title:
|
EARLY EVALUATION BY FALL-OFF TESTING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/24/1995
|
Application #:
|
08291294
|
Filing Dt:
|
08/16/1994
|
|
Title:
|
METHOD AND APPARATUS FOR TEMPERATURE COMPENSATION OF GAMMA TOOLS IN MWD ENVIRONMENTS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/06/1996
|
Application #:
|
08291959
|
Filing Dt:
|
08/17/1994
|
|
Title:
|
NONLINEAR EQUALIZER FOR MEASUREMENT WHILE DRILLING TELEMETRY SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/17/1995
|
Application #:
|
08292090
|
Filing Dt:
|
08/17/1994
|
|
Title:
|
MWD SURFACE SIGNAL DETECTOR HAVING ENHANCED ACOUSTIC DETECTION MEANS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/07/1996
|
Application #:
|
08292100
|
Filing Dt:
|
08/17/1994
|
|
Title:
|
MWD SURFACE SIGNAL DETECTOR HAVING BYPASS LOOP ACOUSTIC DETECTION MEANS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/30/1996
|
Application #:
|
08292131
|
Filing Dt:
|
08/15/1994
|
|
Title:
|
EARLY EVALUATION SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/07/1997
|
Application #:
|
08320859
|
Filing Dt:
|
10/11/1994
|
|
Title:
|
METHOD AND APPARATUS FOR DETERMINING NEUTRON DETECTOR OPERABILITY USING GAMMA RAY SOURCES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/08/1997
|
Application #:
|
08348561
|
Filing Dt:
|
12/02/1994
|
|
Title:
|
ENHANCED VERTICAL RESOLUTION PROCESSING OF DUAL-SPACED DENSITY TOOLS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/17/1996
|
Application #:
|
08359622
|
Filing Dt:
|
12/20/1994
|
|
Title:
|
MUD OPERATED PULSER
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/08/1997
|
Application #:
|
08393842
|
Filing Dt:
|
02/24/1995
|
|
Title:
|
SYSTEM AND METHOD FOR INDIRECTLY DETERMINING INCLINATION AT THE BIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/23/1996
|
Application #:
|
08398979
|
Filing Dt:
|
03/06/1995
|
|
Title:
|
ACOUSTIC ATTENUATOR, WELL LOGGING APPARATUS AND METHOD OF WELL LOGGING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/28/1995
|
Application #:
|
08412022
|
Filing Dt:
|
03/28/1995
|
|
Title:
|
APPARATUS AND METHOD FOR MEASURING A BOREHOLE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/10/1998
|
Application #:
|
08430822
|
Filing Dt:
|
04/28/1995
|
|
Title:
|
STANDOFF COMPENSATION FOR ACOUSTIC LOGGING WHILE DRILLING SYSTEMS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/01/1997
|
Application #:
|
08438023
|
Filing Dt:
|
05/08/1995
|
|
Title:
|
FIELD EMISSION DISPLAY CELL STRUCTURE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/07/1997
|
Application #:
|
08440152
|
Filing Dt:
|
05/12/1995
|
|
Title:
|
LOCATION DETERMINATION USING VECTOR MEASUREMENTS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/06/1997
|
Application #:
|
08476970
|
Filing Dt:
|
06/07/1995
|
|
Title:
|
SCREEN AND BYPASS ARRANGEMENT FOR LWD TOOL TURBINE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/15/1997
|
Application #:
|
08476972
|
Filing Dt:
|
06/07/1995
|
|
Title:
|
COUPLING FOR A DOWNHOLE TANDEM DRILLING MOTOR
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/09/1996
|
Application #:
|
08477987
|
Filing Dt:
|
06/07/1995
|
|
Title:
|
MWD SURFACE SIGNAL DETECTOR HAVING ENHANCED ACOUSTIC DETECTION MEANS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/28/1997
|
Application #:
|
08481555
|
Filing Dt:
|
06/07/1995
|
|
Title:
|
MECHANICAL LOCKOUT FOR PRESSURE RESPONSIVE DOWNHOLE TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/22/1997
|
Application #:
|
08502451
|
Filing Dt:
|
07/14/1995
|
|
Title:
|
DIFFERENTIAL PRESSURE TEST/BYPASS VALVE AND METHOD FOR USING THE SAME
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/30/1998
|
Application #:
|
08515985
|
Filing Dt:
|
08/16/1995
|
|
Title:
|
METHOD AND APPARATUS FOR RETRIEVING LOGGING DATA FROM A DOWNHOLE LOGGING TOOL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/04/1999
|
Application #:
|
08526171
|
Filing Dt:
|
09/11/1995
|
|
Title:
|
LOGGING WHILE DRILLING BOREHOLE IMAGING AND DIPMETER DEVICE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/21/1997
|
Application #:
|
08544723
|
Filing Dt:
|
10/18/1995
|
|
Title:
|
ACOUSTIC LOGGING WHILE DRILLING TOOL TO DETERMINE BED BOUNDARIES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/28/1997
|
Application #:
|
08544981
|
Filing Dt:
|
10/30/1995
|
|
Title:
|
PHOTOVOLTAIC ELEMENT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/26/1997
|
Application #:
|
08632646
|
Filing Dt:
|
04/15/1996
|
|
Title:
|
SEALED MODULAR DOWNHOLE ANTENNA
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/15/1998
|
Application #:
|
08657265
|
Filing Dt:
|
06/03/1996
|
|
Title:
|
AUTOMATIC DOWNHOLE PUMP ASSEMBLY AND METHOD FOR OPERATING THE SAME
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/16/1999
|
Application #:
|
08684011
|
Filing Dt:
|
07/23/1996
|
|
Title:
|
AN AGENT FOR REPLICATING DATA BASED ON A CLIENT DEFINED REPLICATION PERIOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/11/1998
|
Application #:
|
08699613
|
Filing Dt:
|
08/19/1996
|
|
Title:
|
EARLY EVALUATION FORMATION TESTING SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/14/1998
|
Application #:
|
08733367
|
Filing Dt:
|
10/17/1996
|
|
Title:
|
CANCELLATION OF TOOL MODE SIGNAL FROM COMBINED SIGNAL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/02/1999
|
Application #:
|
08734772
|
Filing Dt:
|
10/22/1996
|
|
Title:
|
SYSTEM AND METHOD FOR PERFORMING INVERSION ON LWD RESISTIVITY LOGS WITH ENHANCED RESOLUTION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/22/2001
|
Application #:
|
08757150
|
Filing Dt:
|
11/27/1996
|
|
Title:
|
INTEGRATED WELL DRILLING AND EVALUATION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/27/1998
|
Application #:
|
08792744
|
Filing Dt:
|
02/03/1997
|
|
Title:
|
APPARATUS FOR TESTING AND SAMPLING OPEN-HOLE OIL AND GAS WELLS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/06/1999
|
Application #:
|
08812216
|
Filing Dt:
|
03/06/1997
|
|
Title:
|
LOGGING WHILE DRILING TOOL WITH AZIMUTHAL SENSISTIVY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/20/1999
|
Application #:
|
08837582
|
Filing Dt:
|
04/21/1997
|
|
Title:
|
ACOUSTIC DATA LINK AND FORMATION PROPERTY SENSOR FOR DOWNHOLE MWD SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/12/1999
|
Application #:
|
08844489
|
Filing Dt:
|
04/18/1997
|
|
Title:
|
A BOTTOM HOLE ASSEMBLY FOR DIRECTIONAL DRILLING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/23/2000
|
Application #:
|
08852007
|
Filing Dt:
|
05/06/1997
|
|
Title:
|
METHOD AND APPARATUS FOR SENSING AND DISPLAYING TORSIONAL VIBRATION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/29/1998
|
Application #:
|
08883428
|
Filing Dt:
|
06/26/1997
|
|
Title:
|
REMOVABLE CORE CYLINDER LOCK
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/04/2000
|
Application #:
|
08896720
|
Filing Dt:
|
07/18/1997
|
|
Title:
|
VERTICAL CHAMBER, OPEN THROAT ROUND BALER HAVING NO STARTER ROLL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/22/2000
|
Application #:
|
08940352
|
Filing Dt:
|
09/30/1997
|
|
Title:
|
ACOUSTIC METHOD OF CONNECTING BOREHOLES FOR MULTI-LATERAL COMPLETION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/01/1998
|
Application #:
|
08941883
|
Filing Dt:
|
09/30/1997
|
|
Title:
|
EARLY EVALUATION SYSTEM WITH PUMP AND METHOD OF SERVICING A WELL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/10/2001
|
Application #:
|
08984846
|
Filing Dt:
|
12/04/1997
|
|
Title:
|
DIRECTIONAL DRILLING ASSEMBLY AND METHOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/19/1999
|
Application #:
|
09014188
|
Filing Dt:
|
01/27/1998
|
|
Title:
|
MULTIPLE TRANSDUCER MWD SURFACE SIGNAL PROCESSING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/27/2001
|
Application #:
|
09105344
|
Filing Dt:
|
06/26/1998
|
|
Title:
|
ACOUSTIC LWD TOOL HAVING RECEIVER CALIBRATION CAPABILITIES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/30/2001
|
Application #:
|
09469989
|
Filing Dt:
|
12/22/1999
|
|
Title:
|
TECHNIQUE FOR SIGNAL DETECTION USING ADAPTIVE FILTERING IN MUD PULSE TELEMETRY
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/02/2002
|
Application #:
|
09608205
|
Filing Dt:
|
06/30/2000
|
|
Title:
|
Method of and apparatus for independently determining the resistivity and/or dielectric constant of an earth formation
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
|
Application #:
|
UNAVAILABLE
|
Filing Dt:
|
|
|
Title:
|
|
|
