Assignee
NORTHWEST PIPE COMPANY
US·7 granted patents·2 pending applications·93 citations·filing 2000–2025
Top patents by PatentIndex Score
9 records- 0190US7959411B2In-pipe hydro-electric power system and turbineNORTHWEST PIPE COMPANY·Filed 2009·Granted Jun 14, 2011·19 cites·30 claims
- 0284US6422783B1Breakaway post slipbaseNORTHWEST PIPE COMPANY·Filed 2000·Granted Jul 23, 2002·66 cites·25 claims
- 0369US10619778B2Pipe ram jointNORTHWEST PIPE COMPANY·Filed 2017·Granted Apr 14, 2020·3 cites·30 claims
- 0468US10359137B1Pipe seal and pipe jointNORTHWEST PIPE COMPANY·Filed 2016·Granted Jul 23, 2019·4 cites·17 claims
- 0566US10823320B1Pipe jointNORTHWEST PIPE COMPANY·Filed 2018·Granted Nov 3, 2020·1 cites·32 claims
- 0666US2025129879A1Seismic pipe jointNORTHWEST PIPE COMPANY·Filed 2024·Application pending·0 cites
- 0763USRE50368EPipe jointNORTHWEST PIPE COMPANY·Filed 2022·Granted Apr 8, 2025·0 cites·63 claims
- 0852US2025257832A1Coupling system for articulating pipe jointNORTHWEST PIPE COMPANY·Filed 2025·Application pending·0 cites
- 0949US12215817B2Seismic pipe jointNORTHWEST PIPE COMPANY·Filed 2020·Granted Feb 4, 2025·0 cites·18 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →