Patent Assignment
Reel/Frame 005741/0538
Merger and Change of Name November 02, 1990 Delaware
Recorded: 1991-06-20
Pages: 8
Assignor
Assignee
Covered Properties
(11)
Heat Treatment of Welds
Patent:
3,997,374 →
Application:
05/524,919 →
Surface Smoothed Tool Joint Hardfacing
Patent:
4,243,727 →
Application:
05/790,795 →
Heat Treatment of Welds
Patent:
4,160,543 →
Application:
05/854,963 →
Surface Smoothed Tool Joint Hardfacing with Grindable Tie-In
Patent:
4,228,339 →
Application:
05/974,168 →
Hard Surfacing for Oil Well Tools
Patent:
4,277,108 →
Application:
06/145,413 →
Tool Joint Bench Mark
Patent:
4,438,953 →
Application:
06/238,720 →
Tool Joint
Patent:
4,549,754 →
Application:
06/505,948 →
Method of Connecting Joints of Drill Pipe
Patent:
4,506,432 →
Application:
06/538,648 →
Tool Joint with Internal/External Make-Up Shoulders
Patent:
4,548,431 →
Application:
06/661,533 →
Horizontal Drilling or Completion Apparatus
Application:
07/407,950 →
Tool Joint and Method of Hardsurfacing Same
Patent:
5,010,225 →
Application:
07/408,074 →
Related Assignments
(24)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 27, 1981
From: TIMME ALBERT C. JR.
To: HUGHES TOOL COMPANY, A CORP. OF DE
Reel/Frame 003858/0155 →
Assignment of Assignors Interest.
Jun 20, 1983
From: SAUNDERS, DONNA D.; KALSI, MANMOHAN S.; CHEN, GUN-SHING
To: REED TUBULAR PRODUCTS COMPANY
Reel/Frame 004144/0169 →
Assignment of Assignors Interest.
Oct 3, 1983
From: SMITH, JACKIE E.
To: HUGHES TOOL COMPANY, A DE CORP.
Reel/Frame 004181/0301 →
Assignment of Assignors Interest.
May 9, 1984
From: ALLIED CORPORATION A NY CORP
To: EATON CORPORATION AN OH CORP
Reel/Frame 004261/0983 →
Assignment of Assignors Interest.
May 15, 1984
From: HUGHES TOOL COMPANY
To: HUGHES TOOL COMPANY - USA A CORP OF
Reel/Frame 004269/0060 →
Assignment of Assignors Interest.
Oct 16, 1984
From: HALL, JAMES R.; CUNNINGHAM, ROBERT A.
To: HUGHES TOOL COMPANY - USA, A CORP OF DE
Reel/Frame 004342/0671 →
Assignment of Assignors Interest.
Oct 16, 1984
From: HALL, JAMES R.; CUNNINGHAM, ROBERT A.
To: HUGHES TOOL COMPANY - USA, A CORP OF DE
Reel/Frame 004343/0127 →
Assignment of Assignors Interest.
Aug 14, 1989
From: HUGHES TOOL COMPANY, - USA, A DE. CORP.
To: BAKER HUGHES, INC., A DE. CORP.
Reel/Frame 005161/0030 →
Assignment of Assignors Interest.
Sep 15, 1989
From: CARLIN, FRANK J.; SMITH, THOMAS B.
To: BAKER HUGHES INCORPORATED, 3900 ESSEX LANE, SUITE 1200, HOUSTON, TEXAS 77027 A CORP. OF DELAWARE
Reel/Frame 005143/0290 →
Assignment of Assignors Interest.
Sep 15, 1989
From: CARLIN, FRANK J.
To: BAKER HUGHES INCORPORATED, 3900 ESSEX LANE, SUITE 1200, HOUSTON, TEXAS 77027, A CORP. OF DE.
Reel/Frame 005143/0478 →
Assignment of Assignors Interest.
Dec 5, 1990
From: BHI SUGAR LAND, INC.
To: BH TOOL JOINTS, INC.
Reel/Frame 005535/0964 →
Assignment of Assignors Interest.
Dec 5, 1990
From: BAKER HUGHES INCORPORATED
To: BH TOOL JOINTS, INC., A CORP. OF TX
Reel/Frame 005570/0504 →
Assignment of Assignors Interest.
Dec 5, 1990
From: BAKER RTC (DELAWARE) INC.
To: BH TOOL JOINTS, INC.
Reel/Frame 005535/0918 →
Assignment of Assignors Interest.
Jan 17, 1992
From: BH TOOL JOINTS, INC.
To: GRANT TFW, INC.
Reel/Frame 005974/0246 →
Change of Name
Jan 8, 2001
From: GRANT TFW, INC.
To: GRANT PRIDECO, INC.
Reel/Frame 011436/0249 →
Assignment of Assignor's Interest
Jan 17, 2001
From: GRANT PRIDECO, INC.
To: GRANT PRIDECO, L.P.
Reel/Frame 011449/0400 →
Change of Name
Sep 13, 2001
From: GRANT TFW, INC.
To: GRANT PRIDECO, INC.
Reel/Frame 012188/0299 →
Assignment of Assignor's Interest
Sep 25, 2001
From: GRANT PRIDECO, INC.
To: GRANT PRIDECO, L.P.
Reel/Frame 012188/0295 →
Grant of Patent
Jan 3, 2003
From: GRANT PRIDECO, INC.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 013323/0989 →
Grant of Patent
Jan 3, 2003
From: GRANT PRIDECO, L.P.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 013333/0021 →
Release of Grant of Patent Security Agreement
Jun 1, 2005
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: GRANT PRIDECO, L.P.
Reel/Frame 016079/0694 →
Security Agreement
Jun 3, 2005
From: GRANT PRIDECO, L.P.
To: WELLS FARGO BANK
Reel/Frame 016087/0629 →
Release of Patent Security Agreement
Sep 18, 2006
From: WELLS FARGO BANK
To: GRANT PRIDECO, L.P.
Reel/Frame 018279/0119 →
Release of Patent Security Agreement
Sep 18, 2006
From: WELLS FARGO BANK
To: GRANT PRIDECO, L.P.
Reel/Frame 018268/0796 →