IP Library Assignment 044386/0540
Patent Assignment
Reel/Frame 044386/0540

Assignment of Assignor's Interest

Recorded: 2017-12-13 Pages: 3
Assignor
Assignee
SUPERIOR ENERGY SERVICES, L.L.C.
16610 ALDINE WESTFIELD ROAD, HOUSTON, TEXAS, 77032
Covered Properties (2)
Plunger Lift Assembly with an Improved Free Piston Assembly
Patent: 9,976,548 →
Application: 14/472,044 →
Publication: US 2016/0061012
Durable Dart Plunger
Application: 15/396,188 →
Publication: US 2017/0107803
Related Assignments (5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 24, 2014
From: ZIMMERMAN, JEFFREY BRIAN, JR
To: INTEGRATED PRODUCTION SERVICES, INC.
Reel/Frame 033811/0437 →
Security Interest Feb 25, 2016
From: INTEGRATED PRODUCTION SERVICES, INC.; SUPERIOR ENERGY SERVICES, L.L.C.; SUPERIOR ENERGY SERVICES-NORTH AMERICA SERVICES, INC.; WARRIOR ENERGY SERVICES CORPORATION
To: JPMORGAN CHASE BANK, N.A. AS ADMINISTRATIVE AGENT
Reel/Frame 037927/0088 →
Assignment of Assignor's Interest Oct 27, 2017
From: CEDILLO, JASON N.; ROBISON, DONALD; ZIMMERMAN, JEFFREY BRIAN, JR.
To: INTEGRATED PRODUCTION SERVICES, INC.
Reel/Frame 043975/0349 →
Assignment of Assignor's Interest Jan 23, 2020
From: SUPERIOR ENERGY SERVICES, L.L.C.
To: ENDURANCE LIFT SOLUTIONS, LLC
Reel/Frame 051602/0358 →
Patent Security Agreement Supplement Aug 3, 2023
From: ENDURANCE LIFT SOLUTIONS, LLC
To: BANK OF AMERICA, N.A., AS AGENT
Reel/Frame 064494/0104 →