Patent Assignment
Reel/Frame 055808/0802
Assignment of Assignor's Interest
Recorded: 2021-04-02
Pages: 4
Assignor
MULHERN, ERIC
Executed: 2016-10-24
Assignee
DYNAENERGETICS CANADA INC.
5911, 56 AVE NW, EDMONTON, T6B 3E2, CANADA
Covered Property
(1)
Perforating Gun Assembly Having Seal Element of Tandem Seal Adapter and Coupling of Housing Intersecting with a Common Plane Perpendicular to Longitudinal Axis
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 2, 2021
From: PARKS, DAVID C
To: JDP ENGINEERING & MACHINE INC.
Reel/Frame 055808/0829 →
Assignment of Assignor's Interest
Apr 2, 2021
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 055808/0806 →
Assignment of Assignor's Interest
Apr 2, 2021
From: PREISS, FRANK H; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 055808/0812 →
Assignment of Assignor's Interest
Apr 2, 2021
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055814/0841 →
Assignment of Assignor's Interest
Apr 2, 2021
From: EITSCHBERGER, CHRISTIAN
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055808/0840 →
Assignment of Assignor's Interest
Apr 2, 2021
From: JDP ENGINEERING & MACHINE INC.
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 055808/0843 →
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 →