IP Library Assignment 011877/0904
Patent Assignment
Reel/Frame 011877/0904

Assignment of Assignor's Interest

Recorded: 2001-06-01 Pages: 4
Assignor
DOERKSEN, BRIAN JAY
Executed: 2001-05-31
Assignee
CONOCO INC.
1000 S. PINE STREET, PONCA CITY, OKLAHOMA, 75603
Covered Property (1)
Alternate Coke Furnace Tube Arrangement
Patent: 6,852,294 →
Application: 09/872,390 →
Publication: US 2002/0179494
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Aug 18, 2003
From: CONOCO INC.
To: CONOCOPHILLIPS COMPANY
Reel/Frame 013887/0380 →
Assignment of Assignor's Interest Sep 22, 2011
From: CONOCOPHILLIPS COMPANY
To: BECHTEL HYDROCARBON TECHNOLOGY SOLUTIONS, INC.
Reel/Frame 026948/0445 →
Corrective Assignment to Correct the Missing Schedule a Previously Recorded on Reel 026948 Frame 0445. Assignor(S) Hereby Confirms the Missing Schedule a Now Attached. Mar 14, 2012
From: CONOCOPHILLIPS COMPANY
To: BECHTEL HYDROCARBON TECHNOLOGY SOLUTIONS, INC.
Reel/Frame 027883/0101 →