Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
7 Patents
#44 in Vancouver, WA
#928 in Washington
#39,929 in US
Northwest Pipe Company
Forward Citations = 51
11 inventors:
Vancouver, WA, United States of America
Northwest Pipe Company
% Expired Patents = 14.3
EPO Patents = 1
Forward Citations = 51
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11 inventors (with patents filed for the assignee):
Brent Keil (5 out of 5 patents)
Guido Quesada (1 out of 24 patents)
Frederick Gobler (1 out of 1 patent)
4. Bruce VanderPloeg (1 out of 1 patent)
5. Roderic A Schlabach (1 out of 4 patents)
6. Mark Rydell Cosby (1 out of 2 patents)
7. Edward J Kurth (1 out of 2 patents)
8. Igor Palley (1 out of 26 patents)
9. Greg Smith (1 out of 2 patents)
10. Horace M Jordan (1 out of 1 patent)
11. Spyridon Karamanos (1 out of 1 patent)
12. Spyridon Karamanos (0 patent)
7 patents:
Company Overview
Northwest Pipe Company is a leading manufacturer of welded steel pipe and tube products. With a focus on providing high-quality, competitively priced products, Northwest Pipe serves customers in a variety of industries, including water infrastructure, energy, and transportation. The company's state-of-the-art facilities and commitment to innovation have made it a trusted provider of pipe solutions for over 50 years.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Northwest Pipe Company. Retrieved from https://idiyas.com/company/northwest-pipe-company
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
1 patent (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]