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For the Inventor, By the Inventor

Plainville, CT, United States of America

Gems Sensors Inc.


USPTO Granted Patents = 14

% Expired Patents = 28.6


Forward Citations = 37

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8 inventors (with patents filed for the assignee):

goldMedal James B Dockendorff (12 out of 15 patents)

silverMedal Kevin Bidwell Downs (9 out of 15 patents)

bronzeMedal Bryan M LaBarge (7 out of 8 patents)

4.  George K Lewis (7 out of 11 patents)

5.  David P Curry (3 out of 4 patents)

6.  Douglas Stetson (3 out of 3 patents)

7.  Brian J Glenn (2 out of 4 patents)

8.  Nathan H Kulak (2 out of 2 patents)

9.  Bryan M Labarge (0 patent)

10.  James B Dockendorf (0 patent)


14 patents:

1. 11435217 - Visual liquid level indicator (2022-09-06),
2. 10782176 - Visual liquid level indicator (2020-09-22),
3. 10534012 - Bidirectional flow switch (2020-01-14),
4. 10534011 - Bidirectional flow switch (2020-01-14),
5. 10215612 - Fluid level detector (2019-02-26),
6. 10156467 - Visual liquid level indicator (2018-12-18),
7. 9709435 - Pivoted float liquid level sensor having a magnetically actuated switch (2017-07-18),
8. 9631968 - Fluid level detector (2017-04-25),
9. 8966974 - Pivoted float liquid level sensor having a magnetically actuated switch (2015-03-03),
10. 8850883 - Fluid level detector (2014-10-07),
11. 8813558 - Fluid level detector (2014-08-26),
12. 7946169 - Fluid level detector (2011-05-24),
13. 7607347 - Fluid level detector (2009-10-27),
14. 7360417 - Fluid level detector (2008-04-22),
Company Overview
Gems Sensors Inc. is a leading manufacturer specializing in fluid sensing and control technologies. Based in Plainville, Connecticut, the company develops a diverse range of products, including level sensors, flow sensors, and pressure sensors, catering to various industries such as automotive, medical, and industrial applications. With a commitment to innovation, Gems Sensors focuses on providing reliable solutions that enhance operational efficiency and safety in fluid management systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

14 Patents

#6 in Plainville, CT

#497 in Connecticut

#22,319 in US

#42,249 in the World

Plainville, CT (US)
Plainville, CT, United States of America

Gems Sensors Inc.

Forward Citations = 37

8 inventors:

goldMedal James B Dockendorff (12 out of 15 patents)

silverMedal Kevin Bidwell Downs (9 out of 15 patents)

bronzeMedal Bryan M LaBarge (7 out of 8 patents)

4.  George K Lewis (7 out of 11 patents)

5.  David P Curry (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gems Sensors Inc.. Retrieved from https://idiyas.com/company/gems-sensors

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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