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Patent Assignment Details
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Reel/Frame:006353/0365   Pages: 11
Recorded: 12/14/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 14
1
Patent #:
Issue Dt:
12/02/1980
Application #:
05893339
Filing Dt:
04/04/1978
Title:
METHOD AND APPARATUS FOR SONICALLY EXTRACTING OIL WELL LINERS
2
Patent #:
Issue Dt:
11/10/1981
Application #:
06117048
Filing Dt:
01/31/1980
Title:
APPARATUS FOR SONICALLY EXTRACTING OIL WELL LINERS
3
Patent #:
Issue Dt:
02/07/1984
Application #:
06344626
Filing Dt:
02/01/1982
Title:
WELL SERVICING SYSTEM EMPLOYING SONIC ENERGY TRANSMITTED DOWN THE PIPE STRING
4
Patent #:
Issue Dt:
04/23/1985
Application #:
06382700
Filing Dt:
05/27/1982
Title:
METHOD FOR FORMING A CEMENT ANNULUS FOR A WELL
5
Patent #:
Issue Dt:
06/04/1985
Application #:
06459842
Filing Dt:
01/21/1983
Title:
THREE-DIMENSIONAL AND TOMOGRAPHIC IMAGING DEVICE FOR X-RAY AND GAMMA-RAY EMITTING OBJECTS
6
Patent #:
Issue Dt:
06/11/1985
Application #:
06542456
Filing Dt:
10/17/1983
Title:
METHOD AND APPARATUS FOR DAMPING VIBRATIONS IN DRILL COLLAR STRINGS
7
Patent #:
Issue Dt:
05/05/1987
Application #:
06709885
Filing Dt:
03/08/1985
Title:
DRILLING SYSTEM AND METHOD EMPLOYING TORSIONAL SONIC VIBRATION FOR LUBRICATION OF JOURNAL TYPE BIT BEARINGS
8
Patent #:
Issue Dt:
06/16/1987
Application #:
06783460
Filing Dt:
10/03/1985
Title:
METHOD FOR SONICALLY LOOSENING OIL WELL LINER ENVIRONMENTS
9
Patent #:
Issue Dt:
05/26/1987
Application #:
06824600
Filing Dt:
01/31/1986
Title:
DOWN HOLE EXCITATION SYSTEM FOR LOOSENING DRILL PIPE STUCK IN A WELL
10
Patent #:
Issue Dt:
05/19/1987
Application #:
06842983
Filing Dt:
03/24/1986
Title:
METHOD FOR IMPROVING WELL PRODUCTION BY SONICALLY DRIVING GRANULAR MEDIUM INSTALLED IN WELL
11
Patent #:
Issue Dt:
04/25/1989
Application #:
07078282
Filing Dt:
07/27/1987
Title:
FLUID DRIVEN SCREW TYPE (MOYNO) SONIC OSCILLATOR SYSTEM
12
Patent #:
Issue Dt:
06/06/1989
Application #:
07110194
Filing Dt:
10/19/1987
Title:
SONIC METHOD AND APPARATUS FOR INSTALLING MONITOR WELLS FOR THE SURVEILLANCE AND CONTROL OF EARTH CONTAMINATION
13
Patent #:
Issue Dt:
07/09/1991
Application #:
07299038
Filing Dt:
01/19/1989
Title:
SOIL POLLUTION MONITORING SYSTEM AND APPARATUS
14
Patent #:
Issue Dt:
04/03/1990
Application #:
07299392
Filing Dt:
01/19/1989
Title:
FLUID DRIVEN SCREW TYPE SONIC OSCILLATOR-AMPLIFIER SYSTEM FOR USE IN FREEING A STUCK PIPE
Assignor
1
Exec Dt:
12/13/1991
Assignee
1
3900 ESSEX LANE
HOUSTON, TEXAS 77210-4740
Correspondence name and address
CARL A. ROWOLD
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200
HOUSTON, TX 77027

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