Patent Assignment
Reel/Frame 054872/0792
Assignment of Assignor's Interest
Recorded: 2021-01-11
Pages: 3
Assignor
EITSCHBERGER, CHRISTIAN
Executed: 2021-01-11
Assignee
DYNAENERGETICS EUROPE GMBH
KAISERSTRASSE 3, TROISDORF, 53840, GERMANY
Covered Property
(1)
Tandem Seal Adapter for Use with a Wellbore Tool, and Wellbore Tool String Including a Tandem Seal Adapter
Related Assignments
(8)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 31, 2020
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 053649/0075 →
Assignment of Assignor's Interest
Aug 31, 2020
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 053645/0979 →
Assignment of Assignor's Interest
Aug 31, 2020
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 053645/0983 →
Assignment of Assignor's Interest
Aug 31, 2020
From: PREISS, FRANK H; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 053645/0992 →
Assignment of Assignor's Interest
Aug 31, 2020
From: PARKS, DAVID C
To: JDP ENGINEERING AND MACHINE INC
Reel/Frame 053646/0011 →
Assignment of Assignor's Interest
Aug 31, 2020
From: JDP ENGINEERING AND MACHINE INC
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 053646/0155 →
Assignment of Assignor's Interest
Sep 1, 2020
From: JDP ENGINEERING AND MACHINE INC
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 053658/0823 →
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 →