Patent Assignment
Reel/Frame 032368/0825
Assignment of Assignor's Interest
Recorded: 2014-03-06
Pages: 6
Assignor
ALLIS-CHALMERS ENERGY INC.
Executed: 2008-09-05
Assignee
ALLIS-CHALMERS TUBULAR SERVICES LLC.
5075 WESTHEIMER ROAD, SUITE 890, HOUSTON, TEXAS, 77056
Covered Property
(1)
Closed-Head Power Tongs
Patent:
6,223,629 →
Application:
09/349,292 →
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 23, 2001
From: BANGERT, DANIEL S.
To: ROGERS, TOMMIE L.
Reel/Frame 012002/0653 →
Assignment of Assignor's Interest
Apr 5, 2006
From: ROGERS, TOMMIE L.
To: ALLIS-CHALMERS ENERGY, INC.
Reel/Frame 017422/0236 →
Security Agreement
Aug 29, 2006
From: ALLIS-CHALMERS ENERGY INC
To: ROYAL BANK OF CANADA
Reel/Frame 018184/0089 →
Release of Security Interest
Sep 3, 2008
From: ROYAL BANK OF CANADA, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
To: ALLIS-CHALMERS ENERGY, INC.
Reel/Frame 021462/0632 →
Security Agreement
Sep 10, 2008
From: ROGERS OIL TOOLS LLC
To: ALLIS-CHALMERS TUBULAR SERVICES LLC
Reel/Frame 021511/0007 →
Assignment of Assignor's Interest
Mar 12, 2014
From: ALLIS-CHALMERS TUBULAR SERVICES LLC
To: ROGERS OIL TOOLS LLC
Reel/Frame 032418/0150 →
Assignment of Assignor's Interest
Mar 19, 2014
From: ROGERS OIL TOOLS, LLC
To: ROT, LLC
Reel/Frame 032472/0283 →
Assignment of Assignor's Interest
May 7, 2015
From: ROT, L.L.C.
To: ROT, L.L.C.
Reel/Frame 035587/0933 →