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For the Inventor, By the Inventor

The Woodlands, TX, United States of America

Davidson Instruments Inc.

Calculating rank
USPTO Granted Patents = 11

% Expired Patents = 45.5


Trademarks = 2

Forward Citations = 74

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4 inventors (with patents filed for the assignee):

goldMedal Richard L Lopushansky (9 out of 16 patents)

silverMedal John W Berthold (9 out of 48 patents)

bronzeMedal Larry A Jeffers (5 out of 30 patents)

4.  David B Needham (2 out of 7 patents)

5.  Frederick J Gillham (2 patents)

6.  William N Gilber (0 patent)


11 patents:

1. 12560500 - Extrinsic Fabry-Perot absolute pressure sensor (2026-02-24),
2. 8125646 - Apparatus and methods for monitoring combustion dynamics in a gas turbine engine (2012-02-28),
3. 8115937 - Methods and apparatus for measuring multiple Fabry-Perot gaps (2012-02-14),
4. 7930938 - System for determining fluid level (2011-04-26),
5. 7492463 - Method and apparatus for continuous readout of Fabry-Perot fiber optic sensor (2009-02-17),
6. 7443510 - Tunable laser for dynamic measurement (2008-10-28),
7. 7355726 - Linear variable reflector sensor and signal processor (2008-04-08),
8. 7355684 - Interferometric signal conditioner for measurement of the absolute length of gaps in a fiber optic Fabry-Perot interferometer (2008-04-08),
9. 7305158 - Interferometric signal conditioner for measurement of absolute static displacements and dynamic displacements of a Fabry-Perot interferometer (2007-12-04),
10. 7191660 - Flame shield for high temperature pressure transducer (2007-03-20),
11. 7134346 - Differential pressure transducer with Fabry-Perot fiber optic displacement sensor (2006-11-14),
Company Overview
Davidson Instruments Inc., based in The Woodlands, TX, specializes in the development and manufacturing of advanced instrumentation and control systems. The company focuses on providing innovative solutions for various industries, including aerospace, automotive, and energy. With a commitment to quality and precision, Davidson Instruments leverages cutting-edge technology to enhance operational efficiency and safety in complex environments. Their expertise encompasses a range of applications, ensuring reliability and performance in critical systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Davidson Instruments Inc. USPTO Patent Assignee Logo
11 Patents

#35 in The Woodlands, TX

#1,728 in Texas

#27,540 in US

#51,831 in the World

The Woodlands, TX (US)
The Woodlands, TX, United States of America

Davidson Instruments Inc.

Forward Citations = 74

4 inventors:

goldMedal Richard L Lopushansky (9 out of 16 patents)

silverMedal John W Berthold (9 out of 48 patents)

bronzeMedal Larry A Jeffers (5 out of 30 patents)

4.  David B Needham (2 out of 7 patents)

5.  Frederick J Gillham (2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Davidson Instruments Inc.. Retrieved from https://idiyas.com/company/davidson-instruments

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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