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Patent Assignment
Reel/Frame 075231/0299

Assignment of Assignor's Interest

Recorded: 2026-07-10 Pages: 2
Assignor
THE UNIVERSITY OF DURHAM
Executed: 2025-05-15
Assignee
H2CHP LIMITED
SALVUS HOUSE, AYKLEY HEADS, DURHAM, CO., DURHAM, DH1 5TS, UNITED KINGDOM
Covered Properties (3)
Heat Engine
Patent: 9,046,055 →
Application: 13/263,153 →
Publication: US 2012/0024264
Free-Piston Internal Combustion Engine
Patent: 9,032,918 →
Application: 13/698,569 →
Publication: US 2013/0118453
Free Piston Engine Power Plant
Application: 15/770,208 →
Publication: US 2019/0055898
Related Assignments (5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 7, 2012
From: MIKALSEN, RIKARD; ROSKILLY, ANTHONY PAUL
To: UNIVERSITY OF NEWCASTLE UPON TYNE
Reel/Frame 028916/0246 →
Assignment of Assignor's Interest Nov 16, 2012
From: MIKALSEN, RIKARD; ROSKILLY, ANTHONY PAUL
To: UNIVERSITY OF NEWCASTLE UPON TYNE
Reel/Frame 029315/0142 →
Assignment of Assignor's Interest Jan 11, 2019
From: ROSKILLY, ANTHONY PAUL; MIKALSEN, RIKARD
To: UNIVERSITY OF NEWCASTLE UPON TYNE
Reel/Frame 047965/0693 →
Assignment of Assignor's Interest Aug 24, 2020
From: UNIVERSITY OF NEWCASTLE UPON TYNE
To: THE UNIVERSITY OF DURHAM
Reel/Frame 053572/0054 →
Assignment of Assignor's Interest Sep 23, 2021
From: UNIVERSITY OF NEWCASTLE UPON TYNE
To: THE UNIVERSITY OF DURHAM
Reel/Frame 057580/0462 →