Patent Assignment
Reel/Frame 047321/0961
Security Interest
Recorded: 2018-10-25
Pages: 9
Assignors
NORTHWEST PIPE COMPANY
Executed: 2018-10-25
AMERON WATER TRANSMISSION GROUP, LLC
Executed: 2018-10-25
PERMALOK CORPORATION
Executed: 2018-10-25
Assignee
WELLS FARGO BANK, NATIONAL ASSOCIATION
90 S. 7TH STREET, 16TH FLOOR, MINNEAPOLIS, MINNESOTA, 55402
Covered Properties
(6)
Pressure Cast Concrete or Mortar Lined Steel Pipes and Methods of Making the Same
Mortar-Coated Steel Pipes and Methods of Making the Same
Pressure Cast Concrete or Mortar Lined Steel Pipes and Methods of Making the Same
Pipe Seal and Pipe Joint
Patent:
10,359,137 →
Application:
15/148,948 →
Pipe Ram Joint
Pipe Joint
Patent:
10,823,320 →
Application:
15/891,816 →
Related Assignments
(15)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 13, 2008
From: FRIEDRICH, RALPH S.; SHENG, QIZHONG; KUBAT, PAUL
To: AMERON INTERNATIONAL
Reel/Frame 021094/0221 →
Assignment of Assignor's Interest
Aug 24, 2011
From: MUELLER, RICHARD I.; FRIEDRICH, RALPH S.; SHENG, QIZHONG
To: AMERON INTERNATIONAL CORPORATION
Reel/Frame 026799/0638 →
Assignment of Assignor's Interest
Jan 20, 2016
From: AMERON INTERNATIONAL CORPORATION
To: AMERON WATER TRANSMISSION GROUP, LLC
Reel/Frame 037532/0296 →
Assignment of Assignor's Interest
Apr 6, 2017
From: KEIL, BRENT; VANDERPLOEG, BRUCE; QUESADA, GUIDO
To: NORTHWEST PIPE COMPANY
Reel/Frame 041890/0379 →
Assignment of Assignor's Interest
Oct 12, 2017
From: KEIL, BRENT; GOBLER, FREDERICK
To: NORTHWEST PIPE COMPANY
Reel/Frame 043852/0413 →
Assignment of Assignor's Interest
May 30, 2018
From: KEIL, BRENT
To: NORTHWEST PIPE COMPANY
Reel/Frame 045939/0701 →
Change of Name
Dec 13, 2018
From: AMERON WATER TRANSMISSION GROUP, LLC
To: NWPC, LLC
Reel/Frame 047828/0181 →
Change of Name
Dec 20, 2018
From: AMERON WATER TRANSMISSION GROUP, LLC
To: NWPC, LLC
Reel/Frame 048965/0604 →
Change of Name
Dec 20, 2018
From: AMERON WATER TRANSMISSION GROUP, LLC
To: NWPC, LLC
Reel/Frame 047972/0939 →
Change of Name
Dec 20, 2018
From: AMERON WATER TRANSMISSION GROUP, LLC
To: NWPC, LLC
Reel/Frame 049146/0613 →
Release of Security Interest
Jul 2, 2021
From: WELLS FARGO BANK, NATIONAL ASSOCIATION
To: NORTHWEST PIPE COMPANY; PERMALOK CORPORATION; NWPC, LLC
Reel/Frame 056747/0155 →
Security Interest
Jul 4, 2021
From: NORTHWEST PIPE COMPANY; NWPC, LLC
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 056749/0457 →
Change of Name
Jul 17, 2025
From: NORTHWEST PIPE COMPANY
To: NWPX INFRASTRUCTURE, INC.
Reel/Frame 072039/0529 →
Security Interest
Aug 25, 2025
From: GENEVA PIPE AND PRECAST COMPANY; NWPC, LLC; PARK ENVIRONMENTAL EQUIPMENT, LLC; PERMALOK CORPORATION
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 072106/0502 →
Security Interest
Sep 17, 2025
From: NWPX INFRASTRUCTURE, INC. (F/K/A NORTHWEST PIPE COMPANY)
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 072288/0917 →