Patent Assignment
Reel/Frame 008645/0680
Assignment of Assignor's Interest
Recorded: 1997-06-20
Pages: 2
Assignor
NELSEN, DAVID K.
Executed: 1997-06-20
Assignee
CONOCO INC.
1000 S. PINE STREET, P.O. BOX 1267, PONCA CITY, OKLAHOMA, 74602
Covered Property
(1)
Delayed Coking Cycle Time Reduction
Patent:
5,891,310 →
Application:
08/879,573 →
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 →