EPO Patents = 1

Trademarks = 3

Forward Citations = 50

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12 inventors (with patents filed for the assignee):

Brent Keil (5 out of 5 patents)

Guido Quesada (1 out of 21 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: Sort by Forward Citations

1. RE50368 - Pipe joint (2025-04-08),

2. 12215817 - Seismic pipe joint (2025-02-04),

3. 10823320 - Pipe joint (2020-11-03),

4. 10619778 - Pipe ram joint (2020-04-14),

5. 10359137 - Pipe seal and pipe joint (2019-07-23),

6. 7959411 - In-pipe hydro-electric power system and turbine (2011-06-14),

7. 6422783 - Breakaway post slipbase (2002-07-23),

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.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

7 Patents

#39 in Vancouver, WA

#879 in Washington

#38,762 in US

Vancouver, WA, United States of America

Northwest Pipe Company