Patent Assignment
Reel/Frame 019193/0473
Change of Name
Recorded: 2007-04-03
Pages: 8
Assignor
TORGO, LTD.
Executed: 2005-06-08
Assignee
ORTLOFF ENGINEERS, LTD.
415 W. WALL, SUITE 2000, MIDLAND, TEXAS, 79701
Covered Properties
(4)
Hydrocarbon Gas Processing
Patent:
4,869,740 →
Application:
07/194,822 →
Hydrocarbon Gas Processing
Patent:
5,568,737 →
Application:
08/337,172 →
Hydrocarbon Gas Processing
Patent:
5,890,378 →
Application:
09/052,845 →
Hydrocarbon Gas Processing
Patent:
6,182,469 →
Application:
09/439,508 →
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
May 17, 1988
From: CAMPBELL, ROY E.; WILKINSON, JOHN D.; HUDSON, HANK M.
To: ELCOR CORPORATION, A CORP OF TX.
Reel/Frame 004923/0656 →
Assignment of Assignor's Interest
Feb 6, 1995
From: CAMPBELL, ROY E.; WILKINSON, JOHN D.; HUDSON, HANK M.
To: ELCOR CORPORATIN
Reel/Frame 007323/0995 →
Change of Name
Nov 26, 2002
From: ELCOR CORPORATION
To: ELKCORP
Reel/Frame 013542/0523 →
Change of Name
Dec 2, 2002
From: ELCOR CORPORATION
To: ELKCORP
Reel/Frame 013542/0517 →
Change of Name
Dec 2, 2002
From: ELCOR CORPORATION
To: ELKCORP
Reel/Frame 013542/0525 →
Change of Name
Dec 5, 2002
From: ELCOR CORPORATION
To: ELKCORP
Reel/Frame 013542/0768 →
Assignment of Assignor's Interest
Nov 1, 2005
From: ELKCORP
To: ORTLOFF ENGINEERS, LTC
Reel/Frame 016712/0113 →
Assignment of Assignor's Interest
Nov 1, 2005
From: ELKCORP
To: ORTLOFF ENGINEERS, LTD.
Reel/Frame 016712/0220 →
Corrective Assignment to Correct the Assignee Name and Address Previously Recorded on Reel 016712 Frame 0113. Assignor(S) Hereby Confirms the Assignment.
Feb 24, 2006
From: ELKCORP
To: TORGO LTD.
Reel/Frame 017215/0073 →
Corrective Assignment to Correct the Assignee Name and Address Previously Recorded on Reel 016712 Frame 0220. Assignor(S) Hereby Confirms the Assignment.
Feb 24, 2006
From: ELKCORP
To: TORGO LTD.
Reel/Frame 017215/0131 →
Assignment of Assignor's Interest
Sep 24, 2020
From: ORTLOFF ENGINEERS, LTD.
To: UOP LLC
Reel/Frame 054188/0807 →