Patent Assignment
Reel/Frame 069114/0291
Confirmatory License
Recorded: 2024-10-07
Pages: 2
Assignor
ESS TECH, INC.
Executed: 2024-08-30
Assignee
US DEPARTMENT OF ENERGY
1000 INDEPENDENCE AVE., SW, WASHINGTON, DISTRICT OF COLUMBIA, 20585
Covered Property
(1)
Methods to Prepare Stable Electrolytes for Iron Redox Flow Batteries
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 12, 2014
From: EVANS, CRAIG E.; SONG, YANG
To: ENERGY STORAGE SYSTEMS, INC.
Reel/Frame 032416/0636 →
Change of Name
Jul 18, 2016
From: ENERGY STORAGE SYSTEMS, INC.
To: ESS TECH, INC.
Reel/Frame 039383/0433 →
Security Interest
Jul 11, 2018
From: ESS TECH, INC.
To: SILICON VALLEY BANK
Reel/Frame 047816/0520 →
Confirmatory License
Jan 8, 2019
From: ESS TECHNOLOGY INC.
To: U.S. DEPARTMENT OF ENERGY
Reel/Frame 048025/0241 →
Release of Security Interest
Sep 17, 2019
From: SILICON VALLEY BANK
To: ESS TECH, INC.
Reel/Frame 050407/0752 →