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Read AS

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Records under this name other than patents Read AS holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 5 of 5 · Back to Read AS

PatentTitleStatus Expires Confidence
US 9,903,972Seismic cable, system and method for acquiring information about seismic, microseismic and mechanical vibration incidents in a well
Lapsed on the fee record
Ended Feb 27, 2022 · From the USPTO record
Lapsed on the fee recordEnded Feb 27, 2022From the USPTO record
US 9,772,419Decomposing full-waveform sonic data into propagating waves for characterizing a wellbore and its immediate surroundings
Lapsed on the fee record
Ended Sep 26, 2021 · From the USPTO record
Lapsed on the fee recordEnded Sep 26, 2021From the USPTO record
US 7,020,045Block and module for seismic sources and sensors
Lapsed on the fee record
Ended Mar 28, 2018 · From the USPTO record
Lapsed on the fee recordEnded Mar 28, 2018From the USPTO record
US 6,132,494Process and means for separation of a well production stream
Term ended
Term ended Feb 23, 2018 · From the USPTO record
Term endedTerm ended Feb 23, 2018From the USPTO record
US 6,543,537Method and apparatus for producing an oil reservoir
Lapsed on the fee record
Ended Apr 8, 2015 · From the USPTO record
Lapsed on the fee recordEnded Apr 8, 2015From 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