Patent Assignment
Reel/Frame 035829/0785
Assignment of Assignor's Interest
Recorded: 2015-06-12
Pages: 4
Assignor
FREUDENBERG OIL & GAS UK LIMITED
Executed: 2015-05-15
Assignee
FREUDENBERG OIL & GAS, LLC
10035 BROOKRIVER DRIVE, SUITE 400, HOUSTON, TEXAS, 77040
Covered Properties
(5)
Improved Seal
Seal
Seal
Patent:
45,518 →
Application:
13/597,198 →
Expandable Packing Element and Cartridge
Swellable Energizers for Oil and Gas Wells
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 29, 2006
From: MARTIN, MR. DAVID; SINCLAIR, MR. EWAN
To: CALEDYNE LIMITED
Reel/Frame 017549/0339 →
Assignment of Assignor's Interest
Jun 17, 2013
From: PORTA, SANTIAGO GALVEZ
To: FREUDENBERG OIL & GAS, LLC
Reel/Frame 030623/0547 →
Assignment of Assignor's Interest
Jun 24, 2013
From: PORTA, SANTIAGO GALVEZ
To: FREUDENBERG OIL & GAS, LLC
Reel/Frame 030670/0452 →
Assignment of Assignor's Interest
Aug 8, 2013
From: CALEDYNE LIMITED
To: FREUDENBERG OIL & GAS UK LIMITED
Reel/Frame 030970/0306 →
Assignment of Assignor's Interest
May 29, 2014
From: MARTIN, DAVID; SINCLAIR, EWAN
To: CALEDYNE LIMITED
Reel/Frame 032986/0865 →
Assignment of Assignor's Interest
May 29, 2014
From: CALEDYNE LIMITED
To: FREUDENBERG OIL & GAS UK LIMITED
Reel/Frame 032987/0023 →