The Patent Finder

Amtech Systems, LLC

Also on record
Records under this name other than the patents Amtech Systems, LLC 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 57 patents it holds.

Back to Amtech Systems, LLC

PatentTitleStatus Expires Confidence
US 8,198,985Automatic mode detection in a dual operating mode RFID tag
Term ended
Term ended Jun 12, 2026 · From the USPTO record
Term endedTerm ended Jun 12, 2026From the USPTO record
US RE46,447RFID mutual authentication verification session
Term ended
Ended no later than Apr 17, 2026 · From the USPTO record
Term endedEnded no later than Apr 17, 2026From the USPTO record
US 7,477,887Tag reader maintaining sensitivity with adjustable tag interrogation power level
Term ended
Term ended Oct 30, 2025 · From the USPTO record
Term endedTerm ended Oct 30, 2025From the USPTO record
US 7,548,153Multi-Protocol or Multi-Command RFID System
Term ended
Term ended Oct 10, 2025 · High confidence
Term endedTerm ended Oct 10, 2025High confidence
US 7,501,947RFID tag with small aperture antenna
Term ended
Term ended Sep 30, 2025 · From the USPTO record
Term endedTerm ended Sep 30, 2025From the USPTO record
US 7,289,584Predictive multi-channel decoder
Term ended
Term ended Sep 24, 2025 · From the USPTO record
Term endedTerm ended Sep 24, 2025From the USPTO record
US 7,654,452Self-service electronic toll collection unit and system
Term ended
Term ended Aug 31, 2025 · From the USPTO record
Term endedTerm ended Aug 31, 2025From the USPTO record
US 7,769,963RF tag system with single step read and write commands
Term ended
Term ended Jul 14, 2025 · From the USPTO record
Term endedTerm ended Jul 14, 2025From the USPTO record
US 7,518,532Intermodulation Mitigation Technique in an RFID System
Term ended
Term ended Jul 10, 2025 · High confidence
Term endedTerm ended Jul 10, 2025High confidence
US 8,618,916Automatic mode detection in a dual operating mode RFID tag
Term ended
Ended no later than May 31, 2025 · From the USPTO record
Term endedEnded no later than May 31, 2025From the USPTO record
10 of 88 patents shown.
Pro members see all 88.
Pro members: see all 88 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