IP Library › Assignment 003967/0348
Patent Assignment
Reel/Frame 003967/0348

Merger Effective Dec. 22, 1981 (Delaware)

Recorded: 1982-04-05 Pages: 23
Assignor
BROWN OIL TOOLS, INC. A TX CORP.
Executed: 1981-12-14
Assignee
Covered Properties (23)
Well Packer
Patent: 3,658,127 →
Application: 05/036,770 →
Electric Power Swivel and System for Use in Rotary Well Drilling
Patent: 3,766,991 →
Application: 05/130,597 →
Gravel Pack Method, Retrievable Well Packer and Gravel Pack Apparatus
Patent: 4,049,055 →
Application: 05/139,006 →
Electric Power Drive Assembly
Patent: 3,901,330 →
Application: 05/418,065 →
Apparatus and Method for Cementing Well Liners
Patent: 3,934,652 →
Application: 05/514,624 →
Title Not Available
Application: 05/521,346 →
Swivel Apparatus
Patent: 4,226,447 →
Application: 05/647,759 →
Connecting Assembly and Method
Patent: 4,081,039 →
Application: 05/736,396 →
Connecting Assembly and Method
Patent: 4,216,834 →
Application: 05/890,813 →
Double Cylinder System
Patent: 4,249,600 →
Application: 05/913,117 →
Coiled Tubing Apparatus
Patent: 4,265,304 →
Application: 05/913,118 →
Soft Shock Pressure Plug
Patent: 4,292,988 →
Application: 06/045,988 →
Power Slip Assembly
Patent: 4,269,277 →
Application: 06/054,160 →
Erosion Resistant Check Valve Assembly
Patent: 4,263,936 →
Application: 06/082,801 →
Well Valve
Patent: 4,372,390 →
Application: 06/183,128 →
Well Packer
Patent: 4,345,649 →
Application: 06/184,674 →
Seal Assembly
Patent: 4,364,432 →
Application: 06/187,383 →
Double Cylinder System
Patent: 4,336,840 →
Application: 06/213,871 →
Well Packer
Patent: 4,375,240 →
Application: 06/213,926 →
Double Acting Hydraulic Mechanism
Patent: 4,361,195 →
Application: 06/214,454 →
Bottom Lock Pipe Seal Assembly
Patent: 4,406,324 →
Application: 06/267,726 →
Device for Tapping and Plugging a Fluid Conductor
Patent: 4,450,857 →
Application: 06/291,661 →
Annulus Operated Test Valve
Patent: 4,399,870 →
Application: 06/313,901 →
Related Assignments (15)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Sep 2, 1980
From: BAUGH JOHN L.; MONTGOMERY JAMES W.; ROACH MALCOLM B.
To: BROWN OIL TOOLS, INC.
Reel/Frame 003799/0325 →
Assignment of Assignors Interest. Sep 5, 1980
From: BAUGH JOHN L.; MONTGOMERY JAMES W.
To: BROWN OIL TOOLS, INC.
Reel/Frame 003800/0219 →
Assignment of Assignors Interest. Dec 8, 1980
From: MANDERSCHEID, PHILLIP H.
To: BROWN OIL TOOLS, INC., A CORP. OF TX
Reel/Frame 003930/0353 →
Assignment of Assignors Interest. Dec 8, 1980
From: BAUGH, JOHN L.
To: BROWN OIL TOOLS, INC., A CORP. OF TX
Reel/Frame 003930/0352 →
Assignment of Assignors Interest. Dec 8, 1980
From: MONTGOMERY, JAMES W.
To: BROWN OIL TOOLS, INC., A CORP. OF TX
Reel/Frame 003930/0354 →
Assignment of Assignors Interest. May 28, 1981
From: BAUGH, JOHN L.; MONTGOMERY, JAMES W.
To: BROWN OIL TOOLS, INC.
Reel/Frame 003892/0969 →
Assignment of Assignors Interest. Aug 10, 1981
From: BAUGH, JOHN L.; MONTGOMERY, JAMES W.
To: BROWN OIL TOOLS, INC., A CORP. OF TEX.
Reel/Frame 003910/0281 →
Assignment of Assignors Interest. Oct 22, 1981
From: BAUGH, JOHN L.; MONTGOMERY, JAMES W.; MANDERSCHEID, PHILLIP H.
To: BROWN OIL TOOLS, INC., P.O. BOX 2539 HOUSTON, 77001 A CORP. OF TX.
Reel/Frame 003941/0532 →
Assignment of Assignors Interest. Jul 15, 1985
From: HUGHES TOOL COMPANY
To: EVANS, ROBERT W., A CITIZEN OF THE UNITED STATES OF AMERICA
Reel/Frame 004430/0097 →
Merger Effective Date: December 22, 1981, State of Incorp., Delaware, Effective Dec. 31, 1981 Jul 15, 1985
From: BROWN OIL TOOLS, INC.
To: HUGHES TOOL COMPANY
Reel/Frame 004430/0088 →
Assignment of Assignors Interest. May 9, 1986
From: EVANS, ROBERT W.
To: DAILEY PETROLEUM SERVICES CORP. A CORP. OF DE.
Reel/Frame 004544/0315 →
Security Interest Feb 18, 1992
From: DAILEY PETROLEUM SERVICES CORP., A DE CORP.
To: FIRST INTERSTATE BANK OF TEXAS, N.A.
Reel/Frame 006036/0516 →
Assignment of Assignor's Interest Jul 22, 1996
From: DAILEY PETROLEUM SERVICES CORP.
To: DAILEY PETROLEUM SERVICES CORP.
Reel/Frame 008040/0824 →
Security Agreement Feb 9, 1998
From: DAILEY PETROLEUM SERVICES, CORP. (DEBTOR); WELLS FARGO BANK (TEXAS), N.A.
To: WELLS FARGO BANK (TEXAS), N.A.
Reel/Frame 008943/0314 →
Assignment of Assignor's Interest Jul 18, 2000
From: DAILEY INTERNATIONAL, INC.
To: WEATHERFORD U.S. L.P.
Reel/Frame 010977/0150 →