Patent Assignment
Reel/Frame 013252/0254
Assignment of Assignor's Interest
Recorded: 2002-09-03
Pages: 6
Assignors
WILKINSON, JOHN D.
Executed: 2002-08-15
HUDSON, HANK M.
Executed: 2002-08-15
CUELLER, KYLET T.
Executed: 2002-08-19
Assignee
ELCOR CORPORATION
WELLINGTON CENTRE, SUITE 1000 DALLAS PARKWAY, DALLAS, TEXAS, 75240-8871
Covered Property
(1)
Natural Gas Liquefaction
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 2, 2002
From: ELCOR CORPORATION
To: ELKCORP
Reel/Frame 013555/0479 →
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 0220. Assignor(S) Hereby Confirms the Assignment.
Feb 24, 2006
From: ELKCORP
To: TORGO LTD.
Reel/Frame 017215/0131 →
Change of Name
Apr 13, 2007
From: TORGO, LTD.
To: ORTLOFF ENGINEERS, LTD.
Reel/Frame 019193/0465 →
Assignment of Assignor's Interest
Sep 24, 2020
From: ORTLOFF ENGINEERS, LTD.
To: UOP LLC
Reel/Frame 054188/0807 →