Patent Assignment
Reel/Frame 005013/0843
Assignment of Assignors Interest.
Recorded: 1989-01-17
Pages: 10
Assignor
HUGHES TOOL CONPANY-USA
Executed: 1988-09-29
Assignee
VARCO INTERNATIONAL, INC., A CA. CORP.
800 NORTH ECKHOFF STREET, ORANGE, CALIFORNIA, 95668
Covered Properties
(16)
Automated Pipe Handling System
Patent:
4,042,123 →
Application:
05/547,375 →
Computer-Controlled Oil Drilling Rig Having Drawworks Motor and Brake Control Arrangement
Patent:
4,187,546 →
Application:
05/777,724 →
Method and Apparatus for Manufacturing Plastic Lenses
Patent:
4,202,226 →
Application:
05/875,394 →
Apparatus for Sensing a Distended Location on a Drill Pipe
Patent:
4,327,261 →
Application:
06/003,035 →
Power Tongs Control Arrangement
Patent:
4,202,225 →
Application:
06/026,820 →
Pipe Gripping Head
Patent:
4,304,433 →
Application:
06/130,761 →
Pipe Manipulator
Patent:
4,345,864 →
Application:
06/130,762 →
Rotary Power Slips
Patent:
4,333,209 →
Application:
06/165,585 →
Slip Setting Ring
Patent:
4,415,193 →
Application:
06/239,308 →
Slip-Type Elevator Locking Mechanism
Patent:
4,361,940 →
Application:
06/289,945 →
Reversal Mechanism for Power Tong
Patent:
4,436,002 →
Application:
06/329,971 →
Shock Absorbing Snubber for Derrick Hooks
Patent:
4,438,910 →
Application:
06/405,230 →
Link Engaging Pipe Elevator
Patent:
4,396,216 →
Application:
06/413,044 →
Power Tong and Jaw Apparatus
Patent:
4,572,036 →
Application:
06/718,203 →
Alternate Forms of, Side Drive Drilling
Patent:
4,875,529 →
Application:
07/133,174 →
Pipe Handling Apparatus and Method
Patent:
4,791,997 →
Application:
07/142,105 →
Related Assignments
(15)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 4, 1981
From: MC FADDEN, EDWARD J.
To: BJ-HUGHES INC.
Reel/Frame 003922/0950 →
Assignment of Assignors Interest.
Aug 14, 1981
From: CARLBERG, CHARLES E.
To: BJ-HUGHES INC.
Reel/Frame 004060/0153 →
Assignment of Assignors Interest.
Dec 11, 1981
From: KENNINGTON, KERRY S.; BAKER, RONALD
To: HUGHES TOOL COMPANY, A CORP. OF DE.
Reel/Frame 004035/0336 →
Assignment of Assignors Interest.
Dec 11, 1981
From: KENNINGTON, KERRY S.; BAKER, RONALD
To: HUGHES TOOL COMPANY, A CORP. OF DE.
Reel/Frame 004035/0334 →
Assignment of Assignors Interest.
Jan 8, 1982
From: SHELDON, LOREN B.
To: BJ-HUGHES INC., TX A CORP. OF DE
Reel/Frame 003939/0844 →
Assignment of Assignors Interest.
Mar 23, 1982
From: HERST, NEIL W.
To: BJ-HUGHES INC., A CORP. OF DE.
Reel/Frame 003961/0049 →
Assignment of Assignors Interest.
Feb 22, 1983
From: BJ-HUGHES INC.,
To: HUGHES TOOL COMPANY, A CORP. OF DEL.
Reel/Frame 004098/0273 →
Assigns Nunc Pro Tunc as of December 19, 1985 the Entire Interest.
May 22, 1986
From: SYNTEX (U.S.A.) INC. A CORP. OF DE.
To: SOLA U.S.A. INC.
Reel/Frame 004561/0861 →
Assignment of Assignors Interest.
Aug 8, 1988
From: HUGHES TOOL COMPANY
To: BAKER HUGHES INCORPORATED
Reel/Frame 005050/0861 →
Assignment of Assignors Interest.
Aug 18, 1988
From: BAKER HUGHES INCORPORATED
To: HUGHES TOOL COMPANY-USA, A DE CORP.
Reel/Frame 004944/0763 →
Merger
Apr 29, 1996
From: SOLA U.S.A. INC.
To: BARNES-HIND, INC.
Reel/Frame 007919/0515 →
Change of Name
Apr 29, 1996
From: BARNES-HIND, INC.
To: PILKINGTON VISIONCARE, INC.
Reel/Frame 007919/0065 →
Assignment of Assignor's Interest
Jul 5, 1996
From: PILKINGTON VISIONCARE, INC.
To: PILKINGTON BARNES HIND, INC.
Reel/Frame 008013/0462 →
Security Interest
Mar 13, 1997
From: PBH INC.
To: BANKERS TRUST COMPANY
Reel/Frame 008423/0903 →
Release of a Security Interest
May 17, 2001
From: BANKERS TRUST COMPANY
To: PBH, INC.
Reel/Frame 011821/0602 →