Patent Assignment
Reel/Frame 006504/0551
Assignment of Assignors Interest.
Recorded: 1993-04-22
Pages: 4
Assignor
TELECO OILFIELD SERVICES INC.
Executed: 1993-04-08
Assignee
BAKER HUGHES INCORPORATED
INTELLECTUAL PROPERTY, 3900 ESSEX LANE #1200, HOUSTON, TEXAS, 77210
Covered Properties
(12)
Insulating Coupling for Drill Collars and Method of Manufacture Thereof
Patent:
4,674,773 →
Application:
06/799,623 →
Method for the Detection and Correction of Magnetic Interference in the Surveying of Boreholes
Patent:
4,761,889 →
Application:
06/905,979 →
Downhole Motor and Bearing Assembly
Patent:
4,729,675 →
Application:
07/049,672 →
Near Bit Offset Stabilizer
Patent:
4,877,092 →
Application:
07/181,915 →
Flexible Coupling for Downhole Motor
Patent:
4,982,801 →
Application:
07/293,514 →
Method for Optimizing of Stabilizer Positioning in a Bottomhole Assembly to Eliminate the Effects of Borehole Inclination
Patent:
5,141,060 →
Application:
07/430,529 →
Method for Determining the Free Point of a Stuck Drillstring
Patent:
4,966,234 →
Application:
07/436,496 →
Borehole Drilling Motor with Flexible Shaft Coupling
Patent:
5,135,059 →
Application:
07/615,602 →
Method for Deploying Extendable Arm for Formation Evaluation Mwd Tool
Patent:
5,242,020 →
Application:
07/628,690 →
Downhole Motor and Bearing Assembly
Patent:
5,074,681 →
Application:
07/641,665 →
Method for Analyzing Formation Data from a Formation Evaluation Measurement-While-Drilling Logging Tool
Application:
07/641,744 →
Method for Drilling Directional Wells
Patent:
5,230,386 →
Application:
07/715,417 →
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 15, 1988
From: HELM, CHARLES W.; KOVAL, VERNON E.
To: TELECO OILFIELD SERVICES INC.
Reel/Frame 004871/0170 →
Change of Name Effective Date: Oct. 11, 1984
Oct 3, 1988
From: MAGNA TOOLS, INC.
To: TELECO MAGNA INC.
Reel/Frame 004958/0315 →
Merger Effective Date: September 12, 1988, Texas
Oct 3, 1988
From: TELECO MAGNA INC.; TELECO MAGNA INC., A CORP. OF TEXAS (MERGER INTO); ZIMMERMAN, JURGEN
To: TELECO OILFIELD SERVICES INC., A CORP. OF DE
Reel/Frame 004958/0440 →
Assignment of Assignors Interest.
Feb 27, 1989
From: ZITKA, MARK D.; WELLS, GARY
To: TELECO OILFIELD SERVICES INC.
Reel/Frame 005026/0007 →
Assignment of Assignors Interest.
Nov 1, 1989
From: JOGI, PUSHKAR N.
To: TELECO OILFIELD SERVICES INC.
Reel/Frame 005174/0290 →
Assignment of Assignors Interest.
Nov 13, 1989
From: WHITTEN, RONALD G.
To: TELECO OILFIELD SERVICES INC., A CORP. OF DE
Reel/Frame 005259/0540 →
Assignment of Assignors Interest.
Dec 21, 1990
From: TURNER, WILLIAM E.; HARVEY, PETER R.
To: TELECO OILFIELD SERVICES INC., A CORP. OF DE
Reel/Frame 005553/0248 →
Assignment of Assignors Interest.
Jan 15, 1991
From: TURNER, WILLIAM E.; LEE, LYNN M.; ZITKA, MARK D.
To: TELECO OILFIELD SERVICES INC., A CORP. OF DE
Reel/Frame 005572/0503 →
Assignment of Assignors Interest.
Jan 22, 1991
From: COBERN, MARTIN E.
To: TELECO OILFIELD SERVICES INC., A DE CORP.
Reel/Frame 005632/0445 →
Assignment of Assignors Interest.
Apr 5, 1991
From: MINETTE, DANIEL C.; DUCKWORTH, ALLEN
To: TELECO OILFIELD SERVICES, INC., A CORP OF DE
Reel/Frame 005666/0260 →
Assignment of Assignors Interest.
Jun 14, 1991
From: WU, JIAN-GUN; WISLER, MACMILLAN M.
To: TELECO OILFIELD SERVICES INC.
Reel/Frame 005744/0384 →
Release
Mar 2, 2000
From: FLEET CAPITAL CORPORATION
To: BLACK WARRIOR WIRELINE CORP.
Reel/Frame 010572/0514 →