The Vault

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  Innovation

  Awards

  Permalok

  Trenchless

  04/14/2025

  Permalok® HDD Joint Wins 2025 NASTT Abbott Innovation Award

  Zero-Weld, Zero String-Out Interlocking Joint Maximizes HDD Efficiency At the 2025 No-Dig Show in Denver, Northwest Pipe Company’s Permalok® HDD Joint received the prestigious Abbott Innovation Award from the North American Society for Trenchless Technology (NASTT). The award honors groundbreaking innovations that advance trenchless technology through exceptional design, technical refinement, and industry impact. About the Permalok® HDD […]
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  Announcements

  Innovation

  New Releases

  02/14/2025

  Northwest Pipe Company Receives U.S. Patent for Innovative InfraShield® Joint System

  We’re proud to announce that the United States Patent and Trademark Office has issued U.S. Patent No. 12215817 for our InfraShield® Joint System, an innovative Geohazard Resistant Steel Pipe (GRSP) solution designed to strengthen the resilience of steel pipelines in geologically vulnerable areas without the need for gasketed joints. Manufactured in the USA and backed by rigorous testing, […]