Northwest Pipe Company
Patents, Design & Utilities
Last updated:
List of all Northwest Pipe Company patents 3 in total
| Status | Patent |
|---|---|
Application | Utility: SEISMIC PIPE JOINT Filling date: 6 Sep 2025 Issue date: 11 Feb 2021 |
Grant | Utility: Pipe joint Filling date: 6 Sep 2025 Issue date: 3 Nov 2020 |
Grant | Utility: Pipe ram joint Filling date: 6 Sep 2025 Issue date: 14 Apr 2020 |
Showing 1 to 3 of 3 patents.