Patent Assignment
Reel/Frame 052499/0332
Assignment of Assignor's Interest
Recorded: 2020-04-27
Pages: 3
Assignor
PARKS, DAVID C.
Executed: 2016-10-21
Assignee
JDP ENGINEERING AND MACHINE INC.
12 CRESTMONT WAY SW, AB, CALGARY, T3B 5Z6, CANADA
Covered Property
(1)
Perforating Gun System with Electrical Connection Assemblies
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 5, 2020
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 052025/0773 →
Assignment of Assignor's Interest
Mar 5, 2020
From: PREISS, FRANK HARON; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 052025/0535 →
Assignment of Assignor's Interest
Mar 5, 2020
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 052025/0707 →
Assignment of Assignor's Interest
Mar 5, 2020
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 052096/0820 →
Nunc Pro Tunc Assignment
Apr 27, 2020
From: JDP ENGINEERING AND MACHINE INC.
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 052499/0911 →
Assignment of Assignor's Interest
Mar 17, 2021
From: EITSCHBERGER, CHRISTIAN
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055628/0475 →
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 →