IP Library Assignment 023141/0449
Patent Assignment
Reel/Frame 023141/0449

Assignment of Assignor's Interest

Recorded: 2009-08-25 Pages: 4
Assignors
HUANG, TIANPING
Executed: 2008-05-15
CREWS, JAMES B.
Executed: 2008-05-15
Assignee
BAKER HUGNES INCORPORATED
2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118
Covered Property (1)
Suspension of Concentrated Particulate Additives Containing Oil for Fracturing and Other Fluids
Application: 12/481,132 →
Publication: US 2009/0305915
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 22, 2010
From: BAKER HUGHES INCORPORATED
To: SUPERIOR ENERGY SERVICES, L.L.C.
Reel/Frame 025388/0748 →
Amended and Restated Security Agreement Mar 1, 2012
From: CONNECTION TECHNOLOGY, L.L.C.; FASTORQ, L.L.C.; PRODUCTION MANAGEMENT INDUSTRIES, L.L.C.; SUPERIOR ENERGY SERVICES, L.L.C. (SUCCESSOR BY MERGER TO SUPERIOR WELL SERVICES, INC., CARDINAL SERVICES, INC. AND STEERABLE ROTARY TOOLS, INC.)
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 027793/0211 →