IP Library › Assignment 004442/0268
Patent Assignment
Reel/Frame 004442/0268

Security Interest

Recorded: 1985-08-01 Pages: 84
Assignor
WEATHERFORD U.S. , INC.
Executed: 1985-07-11
Assignee
Covered Properties (10)
High Pressure Piston and Seal
Patent: 4,270,440 →
Application: 06/014,016 →
Bubble Cap and Riser Construction
Patent: 4,305,895 →
Application: 06/147,061 →
Blast Joint and Protection Element Therefor
Patent: 4,381,821 →
Application: 06/238,988 →
Vertical Drip Separator Apparatus and Method
Patent: 4,369,049 →
Application: 06/338,515 →
Thermostatic Control System
Patent: 4,474,550 →
Application: 06/359,246 →
Hydraulic Safety Interlock System
Application: 06/566,634 →
Control Line Protector for Oil Well Tubing String
Patent: 4,601,334 →
Application: 06/597,852 →
Apparatus and Method for Inserting Flow Control Means into a Well Casing
Patent: 4,589,495 →
Application: 06/601,938 →
Tape Recorder Having a Mechanism for Preventing Erroneous Setting to a Recording Mode
Patent: 4,577,242 →
Application: 06/634,034 →
Fluid Pumping System
Patent: 4,588,424 →
Application: 06/661,398 →
Related Assignments (12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Feb 27, 1981
From: GREENE GEORGE J.
To: WEATHERFORD/STONEBOR, INC., A CORP. OF TEX.
Reel/Frame 003875/0323 →
Assignment of Assignors Interest. Jan 3, 1983
From: HEATH, RODNEY T.
To: OLMAN HEATH COMPANY
Reel/Frame 004075/0650 →
Assignment of Assignors Interest. Feb 22, 1984
From: SCHULZE-BECKINGHAUSEN, JORG; BOCK, HANS-CHRISTIAN
To: WEATHERFORD/LAMB, INC., A CORP. OF TX
Reel/Frame 004235/0680 →
Assignment of Assignors Interest. Jul 9, 1984
From: LOVEGROVE, PETER J.
To: WEATHERFORD/LAMB, INC., A CORP. OF TX
Reel/Frame 004327/0093 →
Assignment of Assignors Interest. Jul 16, 1984
From: LANGER, FRIEDRICH H.; STRINGFELLOW, WILLIAM D.
To: WEATHERFORD U.S., INC.
Reel/Frame 004281/0600 →
Assignment of Assignors Interest. Jul 24, 1984
From: TETSUKA, SHIGEO
To: VICTOR COMPANY OF JAPAN LTD. NO. 12, 3-CHOME MORIYA-CHO KANAGAWA-KU YOKOHAMA-SHI KANAGAWA-KEN JAPAN A CORP OF JAPAN
Reel/Frame 004290/0817 →
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 →
Security Interest Jun 21, 1990
From: U.S. ENERTEK, INC., DEBTOR IN POSSESSION
To: CONGRESS FINANCIAL CORPORATION, (WESTERN)
Reel/Frame 005401/0167 →
Security Interest Sep 7, 1993
From: WEATHERFORD/LAMB, INC.
To: TEXAS COMMERCE BANK NATIONAL ASSOCIATION
Reel/Frame 006683/0516 →
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 →
Release Apr 26, 1994
From: TEXAS COMMERCE BANK NATIONAL ASSOCIATION
To: WEATHERFORD/LAMB, INC.
Reel/Frame 006968/0274 →