Patent Assignment
Reel/Frame 021094/0221
Assignment of Assignor's Interest
Recorded: 2008-06-13
Pages: 3
Assignors
FRIEDRICH, RALPH S.
Executed: 2008-06-06
SHENG, QIZHONG
Executed: 2008-06-05
KUBAT, PAUL
Executed: 2008-06-04
Assignee
AMERON INTERNATIONAL
245 SOUTH LOS ROBLES AVENUE, PASADENA, CALIFORNIA, 91101
Covered Property
(1)
Pressure Cast Concrete or Mortar Lined Steel Pipes and Methods of Making the Same
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 20, 2016
From: AMERON INTERNATIONAL CORPORATION
To: AMERON WATER TRANSMISSION GROUP, LLC
Reel/Frame 037532/0296 →
Security Interest
Oct 25, 2018
From: NORTHWEST PIPE COMPANY; AMERON WATER TRANSMISSION GROUP, LLC; PERMALOK CORPORATION
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 047321/0961 →
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 047972/0939 →
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 →