Patent Assignment
Reel/Frame 056634/0001
Assignment of Assignor's Interest
Recorded: 2021-06-21
Pages: 24
Assignor
DYNAENERGETICS GMBH & CO. KG
Executed: 2019-12-20
Assignee
DYNAENERGETICS EUROPE GMBH
KAISERSTRASSE 3, TROISDORF, 53840, GERMANY
Covered Property
(1)
Perforating Gun Assembly and Wellbore Tool String with Tandem Seal Adapter
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 21, 2021
From: PREISS, FRANK H; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 056603/0370 →
Assignment of Assignor's Interest
Jun 21, 2021
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 056603/0319 →
Assignment of Assignor's Interest
Jun 21, 2021
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 056603/0348 →
Assignment of Assignor's Interest
Jun 21, 2021
From: EITSCHBERGER, CHRISTIAN
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 056603/0413 →
Assignment of Assignor's Interest
Jun 21, 2021
From: PARKS, DAVID C
To: JDP ENGINEERING & MACHINE INC.
Reel/Frame 056603/0387 →
Assignment of Assignor's Interest
Jun 21, 2021
From: JDP ENGINEERING & MACHINE INC.
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 056603/0398 →
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 →