Patent Assignment
Reel/Frame 032857/0794
Assignment of Assignor's Interest
Recorded: 2014-05-09
Pages: 3
Assignor
DOYLE, DAVID W.
Executed: 2014-05-09
Assignee
LUFKIN INDUSTRIES, LLC
601 S. RAGUET STREET, LUFKIN, TEXAS, 75902
Covered Property
(1)
Low Profile Rod Pumping Unit with Pneumatic Counterbalance for the Active Control of the Rod String
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Aug 7, 2014
From: LUFKIN INDUSTRIES, INC.
To: LUFKIN INDUSTRIES, LLC
Reel/Frame 033494/0400 →
Assignment of Assignor's Interest
Jul 22, 2020
From: LUFKIN INDUSTRIES, LLC; BAKER HUGHES HOLDINGS LLC FKA BAKER HUGHES, A GE COMPANY, LLC FKA BAKER HUGHES INCORPORATED; BAKER HUGHES OILFIELD OPERATIONS, LLC; QUINN PUMPS CANADA LTD.
To: RAVDOS HOLDINGS INC.
Reel/Frame 053285/0640 →
Security Interest
May 26, 2021
From: RAVDOS HOLDINGS INC.
To: PNC BANK, NATIONAL ASSOCIATION
Reel/Frame 056362/0902 →