Patent Assignment
Reel/Frame 040225/0763
Confirmatory License
Recorded: 2016-10-05
Pages: 2
Assignor
CREE, INC.
Executed: 2016-03-07
Assignee
U.S. DEPARTMENT OF ENERGY
1000 INDEPENDNCE AVE., SW, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property
(1)
Active Energy Recovery Clamping Circuit to Improve the Performance of Power Converters
Patent:
9,647,563 →
Application:
14/634,252 →
Related Assignments
(11)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 11, 2015
From: WHITAKER, BRET; BARKLEY, ADAM
To: ARKANSAS POWER ELECTRONICS INTERNATIONAL, INC.
Reel/Frame 035140/0048 →
Merger and Change of Name
Jul 17, 2015
From: ARKANSAS POWER ELECTRONICS INTERNATIONAL, INC.; CREE FAYETTEVILLE, INC.
To: CREE FAYETTEVILLE, INC.
Reel/Frame 036118/0978 →
Merger
Aug 13, 2021
From: CREE FAYETTEVILLE, INC.
To: CREE, INC.
Reel/Frame 057291/0406 →
Change of Name
Feb 14, 2022
From: CREE, INC.
To: WOLFSPEED, INC.
Reel/Frame 059085/0667 →
Security Interest
Jun 30, 2023
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 064185/0755 →
Release of Security Interest in Intellectual Property Collateral at Reel/Frame No. 64185/0755
Sep 30, 2025
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: WOLFSPEED, INC.
Reel/Frame 072989/0001 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0113 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0381 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0467 →
Notice of Grant of Security Interest in Intellectual Property
Sep 30, 2025
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 072992/0588 →
Notice of Grant of Security Interest in Intellectual Property
Mar 26, 2026
From: WOLFSPEED, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 075280/0919 →