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Davidson Instruments, Inc.

Also on record
Records under this name other than the patents Davidson Instruments, Inc. 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.

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PatentTitleStatus Expires Confidence
US 7,639,368Tracking algorithm for linear array signal processor for Fabry-Perot cross-correlation pattern and method of using same
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,434,472Differential pressure transducer configurations including displacement sensor
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,684,051Fiber optic seismic sensor based on MEMS cantilever
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,787,128Transducer for measuring environmental parameters
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,743,661Fiber optic MEMS seismic sensor with mass supported by hinged beams
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,864,329Fiber optic sensor system having circulators, Bragg gratings and couplers
Formerly held
Term ended
Term ended Feb 23, 2026 · From the USPTO record
Term endedTerm ended Feb 23, 2026From the USPTO record
US 7,835,598Multi-channel array processor
Formerly held
Term ended
Term ended Dec 21, 2025 · From the USPTO record
Term endedTerm ended Dec 21, 2025From the USPTO record
US 7,492,463Method and apparatus for continuous readout of Fabry-Perot fiber optic sensor
Formerly held
Term ended
Term ended Jul 7, 2025 · From the USPTO record
Term endedTerm ended Jul 7, 2025From the USPTO record
US 7,134,346Differential pressure transducer with Fabry-Perot fiber optic displacement sensor
Formerly held
Term ended
Term ended May 28, 2025 · From the USPTO record
Term endedTerm ended May 28, 2025From the USPTO record
US 7,305,158Interferometric signal conditioner for measurement of absolute static displacements and dynamic displacements of a Fabry-Perot interferometer
Term ended
Term ended Feb 1, 2025 · From the USPTO record
Term endedTerm ended Feb 1, 2025From the USPTO record
10 of 18 patents shown.
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Pro members: see all 18 patents
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