Patent Assignment
Reel/Frame 057520/0712
Assignment of Assignor's Interest
Recorded: 2021-09-17
Pages: 3
Assignor
UNITED TECHNOLOGIES ADVANCED PROJECTS, INC
Executed: 2020-06-16
Assignee
HAMILTON SUNDSTRAND CORPORATION
2730 WEST TYVOLA ROAD, FOUR COLISEUM CENTRE, CHARLOTTE, NORTH CAROLINA, 28217
Covered Property
(1)
Wingtip Vortex Turbines for a Hybrid-Electric Aircraft
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 17, 2021
From: SANDERS, MITCHELL; SPIERLING, TODD A.
To: UNITED TECHNOLOGIES ADVANCED PROJECTS INC.
Reel/Frame 057520/0586 →
Corrective Assignment to Correct the Receiving Party Data to Include Pratt & Whitney Canada Corp., 1000 Boulevard Marie-Victorin, Longueuil, Qc J4G 1A1, Canada Previously Recorded on Reel 57520 Frame 712. Assignor(S) Hereby Confirms the the Assignment.
Feb 11, 2026
From: UNITED TECHNOLOGIES ADVANCED PROJECTS, INC.
To: HAMILTON SUNDSTRAND CORPORATION; PRATT & WHITNEY CANADA CORP.
Reel/Frame 074751/0113 →