The Patent Finder

Prototech As

Also on record
Records under this name other than the patents Prototech As holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 4 patents it holds.

Showing 1 to 7 of 7 · Back to Prototech As

PatentTitleStatus Expires Confidence
US 10,065,349Connector and Method for Producing a Connector
Lapsed on the fee record
Ended Sep 4, 2026 · High confidence
Lapsed on the fee recordEnded Sep 4, 2026High confidence
US 8,407,844Pipeline pig
Lapsed on the fee record
Ended Apr 2, 2025 · From the USPTO record
Lapsed on the fee recordEnded Apr 2, 2025From the USPTO record
US 9,373,856Method of recycling and tapping off hydrogen for power generation apparatus
Formerly held
Term ended
Term ended Sep 15, 2023 · From the USPTO record
Term endedTerm ended Sep 15, 2023From the USPTO record
US 8,992,642Fuel processing system with temperature-control fluid circuit
Lapsed on the fee record
Ended Mar 31, 2023 · From the USPTO record
Lapsed on the fee recordEnded Mar 31, 2023From the USPTO record
US 6,203,548Distraction apparatus
Term ended
Term ended Jan 7, 2020 · From the USPTO record
Term endedTerm ended Jan 7, 2020From the USPTO record
US 7,968,609Mixtures of nanoparticles
Lapsed on the fee record
Ended Jun 28, 2019 · From the USPTO record
Lapsed on the fee recordEnded Jun 28, 2019From the USPTO record
US 7,617,558Pipeline pig
Lapsed on the fee record
Ended Nov 17, 2017 · From the USPTO record
Lapsed on the fee recordEnded Nov 17, 2017From the USPTO record
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited