Patent Assignment
Reel/Frame 052600/0783
Assignment of Assignor's Interest
Recorded: 2020-05-07
Pages: 4
Assignor
DOYLE, DAVID WARREN
Executed: 2018-10-02
Assignee
LUFKIN INDUSTRIES, LLC
601 S. RAGUET STREET, LUFKIN, TEXAS, 75902
Covered Property
(1)
Linear Drive Beam Pumping Unit
Application:
16/155,403 →
Publication:
US 2019/0107105
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →