Patent Assignment
Reel/Frame 055843/0861
Assignment of Assignor's Interest
Recorded: 2021-04-06
Pages: 4
Assignor
JDP ENGINEERING AND MACHINE INC
Executed: 2020-04-23
Assignee
DYNAENERGETICS EUROPE GMBH
KAISERSTRASSE 3, TROISDORF, 53840, GERMANY
Covered Property
(1)
Single Charge Perforation Gun and System
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 6, 2021
From: EITSCHBERGER, CHRISTIAN
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055843/0856 →
Assignment of Assignor's Interest
Apr 6, 2021
From: PARKS, DAVID C
To: JDP ENGINEERING AND MACHINE INC
Reel/Frame 055843/0868 →
Assignment of Assignor's Interest
Apr 6, 2021
From: PREISS, FRANK H; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 055843/0887 →
Assignment of Assignor's Interest
Apr 6, 2021
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 055843/0900 →
Assignment of Assignor's Interest
Apr 6, 2021
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 055843/0914 →
Assignment of Assignor's Interest
Apr 6, 2021
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055848/0381 →
Confirmatory Patent Rights Assignment
Feb 20, 2025
From: SWM INTERNATIONAL LLC; JDP ENGINEERING & MACHINE INC.; PELICAN ENERGY PARTNERS III LP
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 070287/0448 →