Patent Assignment
Reel/Frame 004284/0575
Assignment of Assignors Interest.
Recorded: 1984-07-16
Pages: 4
Assignor
OIL STATES INDUSTRIES INC.
Executed: 1984-04-25
Assignee
CONTINENTAL EMSCO COMPANY
1810 COMMERCE STREET, DALLAS, TEXAS, 75201
Covered Properties
(11)
Flexible Joint Means
Patent:
3,390,899 →
Application:
04/439,725 →
Pipe Flange Protective Cover
Patent:
3,563,277 →
Application:
04/857,287 →
Flexible Joint Means
Patent:
3,680,895 →
Application:
04/879,206 →
Disc-Supported Cup
Patent:
3,691,584 →
Application:
05/115,590 →
Flexible Pipe Connection
Patent:
3,734,546 →
Application:
05/239,515 →
Flexible Elbow Joint for Pipes
Patent:
3,853,337 →
Application:
05/445,149 →
Valving Methods and Apparatus for Flooding and Grouting Offshore Jacket Sleeves
Patent:
4,240,767 →
Application:
06/018,401 →
Grout Seal Premature Inflation Protective System
Patent:
4,279,546 →
Application:
06/042,795 →
Reach Rod Grouting System
Patent:
4,412,759 →
Application:
06/161,734 →
Anti-Friction Sucker Rod Guide Assembly
Patent:
31,016 →
Application:
06/218,599 →
Pull-Out Diaphragm Seal for Hollow Tubes
Patent:
4,376,597 →
Application:
06/240,563 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 28, 1981
From: LANDERS DON B.
To: OIL STATES RUBBER COMPANY, ARLINGTON,
Reel/Frame 003849/0590 →
Assignment of Assignors Interest.
Nov 22, 1981
From: RITTON, FREDERICK G.; STANFIELD, WILLIAM G.; LANDERS, DON B.
To: OIL STATES INDUSTRIES, INC.
Reel/Frame 004062/0654 →
Assignment of Assignors Interest.
Dec 6, 1982
From: BRITTON, FREDERICK G.; LANDERS, DON B.
To: OIL STATES INDUSTRIES, INC.
Reel/Frame 004065/0927 →
Assignment of Assignors Interest.
Apr 23, 1992
From: MURDOCK ENGINEERING COMPANY
To: SHELL OIL COMPANY A CORPORATION OF DE
Reel/Frame 006100/0352 →
Merger and Change of Name. Effective October 1, 1993 in Delaware.
May 16, 1994
From: LTV ENERGY PRODUCTS COMPANY OR CONTINENTAL EMSCO COMPANY
To: CONTINENTAL EMSCO COMPANY
Reel/Frame 006987/0867 →
Security Agreement
Mar 14, 2001
From: OIL STATES; A-Z TERMINAL CORPORATION; CAPSTAR DRILLING, INC.; CECO HOLDINGS, INC.
To: CREDIT SUISSE FIRST BOSTON, AS U.S. COLLATERAL AGENT
Reel/Frame 011566/0720 →
Release of Security Interest
Nov 20, 2003
From: CREDIT SUISSE FIRST BOSTON
To: OIL STATES INTERNATIONAL, INC.
Reel/Frame 014146/0093 →