The Patent Finder

Instruments S.A.

Also on record
Records under this name other than patents Instruments S.A. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Back to Instruments S.A.

PatentTitleStatus Expires Confidence
US 6,263,134Compact multiplexer
Formerly held
Term ended
Term ended May 25, 2019 · From the USPTO record
Term endedTerm ended May 25, 2019From the USPTO record
US 6,157,764Optic fiber wavelength multiplexer-demultiplexer
Formerly held
Term ended
Term ended Mar 19, 2018 · From the USPTO record
Term endedTerm ended Mar 19, 2018From the USPTO record
US 6,219,473Optical fiber wavelength multiplexer-demultiplexer
Formerly held
Lapsed on the fee record
Ended Apr 17, 2013 · From the USPTO record
Lapsed on the fee recordEnded Apr 17, 2013From the USPTO record
US 6,417,939Polarizing filter and its manufacturing method
Formerly held
Lapsed on the fee record
Ended Jul 9, 2006 · From the USPTO record
Lapsed on the fee recordEnded Jul 9, 2006From the USPTO record
US 6,160,933Optical fiber wavelength multiplexer-demultiplexer
Formerly held
Lapsed on the fee record
Ended Dec 12, 2004 · From the USPTO record
Lapsed on the fee recordEnded Dec 12, 2004From the USPTO record
US 6,014,482Selective optical device and wavelength multiplexer-demultiplexer
Formerly held
Lapsed on the fee record
Ended Jan 11, 2004 · From the USPTO record
Lapsed on the fee recordEnded Jan 11, 2004From the USPTO record
US 3,942,048Piezoelectrically driven optical grating assemblies
Formerly held
Term ended
Term ended no later than Mar 2, 1996 · Low confidence
Term endedTerm ended no later than Mar 2, 1996Low confidence
US 4,063,818Monochromator having a toroidal holographic diffraction grating and utilizable in the ultraviolet band
Term ended
Term ended no later than Dec 20, 1997 · Low confidence
Term endedTerm ended no later than Dec 20, 1997Low confidence
US 4,068,954Monochromator having a concave holographic grating
Formerly held
Term ended
Term ended no later than Jan 17, 1998 · Low confidence
Term endedTerm ended no later than Jan 17, 1998Low confidence
US 4,072,814Furnace for melting metal by the Joule effect
Term ended
Term ended no later than Feb 7, 1998 · Low confidence
Term endedTerm ended no later than Feb 7, 1998Low confidence
10 of 44 patents shown.
Pro members see all 44.
Pro members: see all 44 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