Patent Assignment
Reel/Frame 003810/0487
Assignment of Assignors Interest.
Recorded: 1980-10-17
Pages: 6
Assignor
MCEVOY OILFIELD EQUIPMENT COMPANY
Executed: 1980-10-03
Assignee
SMITH INTERNATIONAL, INC., A CORP. OF CA
4343 VON KARMAN AVE., NEWPORT BEACH, CALIFORNIA, 92660
Covered Properties
(15)
Straight Bore Hanger
Patent:
3,367,002 →
Application:
04/571,205 →
Underwater Well Comple. Apparatus
Patent:
3,800,869 →
Application:
05/103,839 →
Single Trip Running Tool for "Wr" Type Packoff Hanger U/W Wellhead
Patent:
3,809,158 →
Application:
05/275,576 →
Extreme Temperature, High Pressure Balanced, Rising Stem Gate Valve with Super Preloaded, Stacked, Solid Lubricated, Metal-to-Metal Stem Seals
Patent:
4,363,465 →
Application:
05/697,084 →
Remote Automatic Make-Up Stab-in Sealing System
Patent:
4,229,027 →
Application:
05/833,553 →
High Pressure Gate Valve with Preloaded, Stacked, Solid Lubricated Stem Seals
Patent:
4,340,204 →
Application:
05/833,684 →
Pipe Joint with Remotely Operable Latch
Patent:
4,185,856 →
Application:
05/927,369 →
Single Double Backseat
Patent:
4,272,055 →
Application:
05/951,109 →
Metal-To-Metal Seat Hub Seals
Patent:
4,264,054 →
Application:
05/955,612 →
Remote Automatic Make-Up Stab-in Sealing System
Patent:
4,346,919 →
Application:
05/958,313 →
Remote Automatic Make-Up Stab-in Sealing System
Patent:
4,402,773 →
Application:
05/958,314 →
Connection of Underwater Lines
Patent:
4,329,085 →
Application:
05/973,619 →
Fail-Safe, Non-Pressure Locking Gate Valve
Patent:
4,294,284 →
Application:
06/093,612 →
Protective Cover for Underwater Flow Line Hub
Patent:
4,371,005 →
Application:
06/098,965 →
Underwater Flowline Connector
Patent:
4,371,291 →
Application:
06/158,933 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 22, 1988
From: SMITH INTERNATIONAL, INC.
To: CAMERON IRON WORKS USA INC.
Reel/Frame 004833/0129 →
Assignment of Assignors Interest.
Feb 4, 1991
From: CAMERA IRON WORKS USA, INC., A CORP OF DE
To: COOPER INDUSTRIES, INC.
Reel/Frame 005587/0874 →
Assignment of Assignor's Interest
May 5, 1995
From: SMITH INTERNATIONAL, INC.
To: COOPER INDUSTRIES, INC.
Reel/Frame 007462/0554 →
Assignment of Assignor's Interest
May 5, 1995
From: COOPER INDUSTRIES, INC.
To: COOPER CAMERON CORPORATION
Reel/Frame 007462/0622 →