Patent Assignment
Reel/Frame 044446/0478
Assignment of Assignor's Interest
Recorded: 2017-12-20
Pages: 3
Assignors
NELSON, ANDREW J.
Executed: 2017-12-14
VAZZANA, CHRISTOPHER C.
Executed: 2017-12-14
MASTNY, CARL
Executed: 2017-12-14
Assignee
HYDRA-STOP LLC
144 TOWER DRIVE, BURR RIDGE, ILLINOIS, 60527
Covered Property
(1)
Expanding Gate Valve Assembly with Pressure Equalization System
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 7, 2022
From: HYDRA-STOP LLC
To: CIBC BANK USA
Reel/Frame 059536/0101 →
Security Interest
Oct 5, 2022
From: HYDRA-STOP LLC
To: CIBC BANK USA
Reel/Frame 061320/0963 →
Release of Security Interest
Jul 21, 2023
From: CIBC BANK USA
To: HYDRA-STOP LLC
Reel/Frame 064344/0528 →
Security Interest
Jul 24, 2023
From: HYDRA-STOP LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
Reel/Frame 064354/0386 →
Patent Security Agreement
Oct 3, 2024
From: E.J. BROOKS COMPANY; HYDRA-STOP LLC; TASK FORCE TIPS LLC; REELCRAFT INDUSTRIES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 069107/0331 →
Notice of Release of Security Interest in Patents Recorded on July 24, 2023, at Reel/Frame 064354/0386
Oct 3, 2024
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT
To: HYDRA-STOP LLC
Reel/Frame 069107/0370 →
First Lien Partial Release of Security Interest in Patents, Recorded on October 3, 2024 at Reel 069107 Frame 0331
Sep 29, 2025
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: HYDRA-STOP LLC
Reel/Frame 072978/0344 →