Patent Assignment
Reel/Frame 016016/0867
Assignment of Assignor's Interest
Recorded: 2005-05-17
Pages: 5
Assignor
WEATHERFORD U.S., L.P.
Executed: 2005-05-17
Assignee
WEATHERFORD/LAMB, INC.
515 POST OAK BLVD. SUITE 600, HOUSTON, TEXAS, 77027
Covered Properties
(5)
Ball-Type Check Valve
Patent:
4,945,947 →
Application:
07/357,121 →
Apparatus for Connecting and Disconnecting Threaded Members
Patent:
5,081,888 →
Application:
07/441,813 →
Apparatus for Recovering a Wellhead
Patent:
5,146,989 →
Application:
07/671,812 →
Whipstock Side Support
Patent:
5,531,271 →
Application:
08/414,201 →
Wellbore Milling Tools & Inserts
Patent:
5,626,189 →
Application:
08/532,474 →
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
May 26, 1989
From: WESTRA, LUBBERT; LIRETTE, BRENT
To: CHROMALLOY AMERICAN CORPORATION, A CORP. OF DE.
Reel/Frame 005086/0380 →
Assignment of Assignors Interest.
Apr 30, 1990
From: SCHULZE-BECKINGHAUSEN, JOERG E.
To: WEATHERFORD U.S., INC., A CORP. OF DELAWARE
Reel/Frame 005284/0807 →
Assignment of Assignors Interest.
Apr 2, 1991
From: ROUSE, GEOFFREY O.
To: HOMCO INTERNATIONAL INC.
Reel/Frame 005686/0650 →
Assignment of Assignors Interest.
Sep 18, 1991
From: CHROMALLOY AMERICAN CORPORATION, A DE CORP.
To: SEQUA ENGINEERED SERVICES, INC., A WEST VIRGINIA CORP.
Reel/Frame 005853/0137 →
Assignment of Assignor's Interest
Aug 30, 1993
From: SEQUA ENGINEERED SERVICES, INC.
To: WEATHERFORD-PETCO, INC.
Reel/Frame 006674/0275 →
Assignment of Assignor's Interest
Aug 30, 1993
From: HOMCO INTERNATIONAL, INC.
To: WEATHERFORD U.S., INC.
Reel/Frame 006663/0918 →
Security Interest
Sep 7, 1993
From: WEATHERFORD U.S., INC.
To: TEXAS COMMERCE BANK NATIONAL ASSOICATION
Reel/Frame 006677/0420 →
Release from Security Agreement
Apr 26, 1994
From: TEXAS COMMERCE BANK NATIONAL ASSOCIATION
To: WEATHERFORD U.S., INC.
Reel/Frame 006968/0187 →
Assignment of Assignor's Interest
Mar 31, 1995
From: CARTER, THURMAN B.
To: WEATHERFORD U.S., INC.
Reel/Frame 007475/0393 →
Assignment of Assignor's Interest
Sep 22, 1995
From: HUTCHINSON, CHRISTOPHER P.
To: WEATHERFORD U.S., INC.
Reel/Frame 007671/0124 →
Assignment of Assignor's Interest
Dec 4, 2014
From: WEATHERFORD/LAMB, INC.
To: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
Reel/Frame 034526/0272 →