Patent Assignment
Reel/Frame 006683/0516
Security Interest
Recorded: 1993-09-07
Pages: 37
Assignor
WEATHERFORD/LAMB, INC.
Executed: 1993-03-31
Assignee
TEXAS COMMERCE BANK NATIONAL ASSOCIATION
712 MAIN ST., HOUSTON, TEXAS, 77002
Covered Properties
(14)
Pneumatically Actuated Thread Protector for Pipe
Patent:
4,091,451 →
Application:
05/791,113 →
Apparatus for Measuring and Controlling a Force
Patent:
4,199,032 →
Application:
05/878,643 →
Power Spinner for Rotating a Kelly Joint
Patent:
4,630,688 →
Application:
06/278,438 →
Power Pipe Thread Cleaner
Patent:
4,433,448 →
Application:
06/419,119 →
Control Line Protector for Oil Well Tubing String
Patent:
4,601,334 →
Application:
06/597,852 →
Pipe Handling Apparatus
Patent:
4,684,314 →
Application:
06/654,199 →
Valve Assembly for Inflatable Packer
Patent:
4,711,301 →
Application:
06/773,410 →
Tong
Patent:
5,167,173 →
Application:
07/805,004 →
Power Tong
Patent:
5,161,438 →
Application:
07/805,014 →
Rotary for a Power Tong
Patent:
5,159,860 →
Application:
07/805,090 →
Apparatus for Testing the Gas-Tightness of a Joint Between Hollow Members
Patent:
5,255,559 →
Application:
07/860,740 →
Centralizer for Centring Drilling and Casing Pipes and Centralizing Arrangement Including Said Centralizer
Patent:
5,238,062 →
Application:
07/871,642 →
Automatic Torque Wrenching Machine
Application:
07/891,752 →
Centralizers for Oil Well Casings
Patent:
5,261,488 →
Application:
07/910,135 →
Related Assignments
(15)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 24, 1981
From: TRUE, MARTIN E.; SULLIVAN, CLARENCE W.
To: WEATHERFORD/LAMB, INC.
Reel/Frame 003898/0218 →
Assignment of Assignors Interest.
Sep 16, 1982
From: TRUE, MARTIN E.
To: WEATHERFORD/LAMB, INC., A CORP. OF TX
Reel/Frame 004035/0914 →
Assignment of Assignors Interest.
Jul 9, 1984
From: LOVEGROVE, PETER J.
To: WEATHERFORD/LAMB, INC., A CORP. OF TX
Reel/Frame 004327/0093 →
Security Interest
Aug 1, 1985
From: WEATHERFORD U.S. , INC.
To: FIRST CITY NATIONAL BANK OF HOUSTON, 1001 MAIN STREET, HOUSTON, TEXAS 77002, A NATIONAL BANKING ASSOCIATION OF TEXAS
Reel/Frame 004442/0268 →
Security Interest
Aug 1, 1985
From: WEATHERFORD/LAMB, INC., A CORP. OF TEXAS
To: FIRST CITY NATIONAL BANK OF HOUSTON, 1001 MAIN STREET, HOUSTON, TX 77002, A NATIONAL BANKING ASSOCIATION
Reel/Frame 004435/0255 →
Assignment of Assignors Interest.
Oct 11, 1985
From: LUTH, ROYSE I.
To: WEATHERFORD/LAMB, INC., HOUSTON, TX., A CORP. OF TX.
Reel/Frame 004465/0244 →
Released by Secured Party
May 10, 1990
From: FIRST CITY, TEXAS-HOUSTON, N.A. (SUCCESSOR OF FIRST CITY NATIONAL BANK OF HOUSTON, NA)
To: WEATHERFORD/LAMB, INC.
Reel/Frame 005296/0501 →
Released by Secured Party
May 10, 1990
From: FIRST CITY, TEXAS-HOUSTON, N.A. (SUCESSOR TO FIRST CITY NATIONAL BANK OF HOUSTON N.A.)
To: WEATHERFORD U.S., INC.
Reel/Frame 005296/0388 →
Assignment of Assignors Interest.
Dec 11, 1991
From: PIETRAS, BERND-GEORG
To: WEATHERFORD/LAMB, INC. A CORPORATION OF TX
Reel/Frame 005946/0683 →
Assignment of Assignors Interest.
Dec 11, 1991
From: PIETRAS, BERND-GEORG
To: WEATHERFORD/LAMB, INC. A CORP. OF TEXAS
Reel/Frame 005946/0179 →
Assignment of Assignors Interest.
Dec 11, 1991
From: PIETRAS, BERND-GEORG
To: WEATHERFORD/LABM, INC. A CORPORATION OF TX
Reel/Frame 005943/0574 →
Assignment of Assignors Interest.
Mar 25, 1992
From: JANSCH, MANFRED
To: WEATHERFORD/LAMB,INC. A CORPORATION OF DELAWARE
Reel/Frame 006074/0698 →
Assignment of Assignors Interest.
Apr 21, 1992
From: REINHOLDT, BERND
To: WEATHERFORD/LAMB, INC.
Reel/Frame 006092/0838 →
Assignment of Assignors Interest.
Jun 1, 1992
From: PIETRAS, BERND-GEORG
To: WEATHERFORD/LAMB, INC.
Reel/Frame 006145/0469 →
Release
Apr 26, 1994
From: TEXAS COMMERCE BANK NATIONAL ASSOCIATION
To: WEATHERFORD/LAMB, INC.
Reel/Frame 006968/0274 →