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Sintef

Also on record
Records under this name other than the patents Sintef 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 2 patents it holds.

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PatentTitleStatus Expires Confidence
US 7,741,625Infrared source
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,329,360Actuator having two piezoelectric elements on a membrane
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,250,418Fabry-perot interferometer with piezoelectric actuator contracting in radial direction on membrane
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,989,821Infrared source
Formerly held
Term ended
Term ended Sep 13, 2025 · From the USPTO record
Term endedTerm ended Sep 13, 2025From the USPTO record
US 10,833,049Method for Electrical Coupling and Electric Coupling Arrangement
Formerly held
Lapsed on the fee record
Ended Nov 10, 2024 · High confidence
Lapsed on the fee recordEnded Nov 10, 2024High confidence
US 7,039,195Ear terminal
Formerly held
Term ended
Term ended Jul 11, 2023 · From the USPTO record
Term endedTerm ended Jul 11, 2023From the USPTO record
US 6,754,359Ear terminal with microphone for voice pickup
Formerly held
Term ended
Term ended Apr 14, 2022 · From the USPTO record
Term endedTerm ended Apr 14, 2022From the USPTO record
US 6,728,385Voice detection and discrimination apparatus and method
Formerly held
Term ended
Term ended Mar 14, 2022 · From the USPTO record
Term endedTerm ended Mar 14, 2022From the USPTO record
US 8,666,201Photonic Crystal Sensor
Formerly held
Lapsed on the fee record
Ended Mar 4, 2022 · High confidence
Lapsed on the fee recordEnded Mar 4, 2022High confidence
US 6,661,901Ear terminal with microphone for natural voice rendition
Formerly held
Term ended
Term ended Sep 20, 2021 · From the USPTO record
Term endedTerm ended Sep 20, 2021From the USPTO record
10 of 32 patents shown.
Pro members see all 32.
Pro members: see all 32 patents
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