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For the Inventor, By the Inventor

Midland, MI, United States of America

Tannas Company

USPTO Granted Patents = 37



Forward Citations = 96

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40 inventors (with patents filed for the assignee):

goldMedal Theodore W Selby (31 out of 55 patents)

silverMedal Gregory C Miiller (19 out of 19 patents)

bronzeMedal Jonathan C Evans (7 out of 18 patents)

4.  Kevin J Wolfe (7 out of 7 patents)

5.  Michael A Tubbs (5 out of 5 patents)

6.  William A Atkins (4 out of 4 patents)

7.  Joseph S Trombley (4 out of 8 patents)

8.  James R Cotter (4 out of 5 patents)

9.  Marta Manning (3 out of 3 patents)

10.  Sarah Nuss-Warren (3 out of 3 patents)

11.  Douglas J Wirsing (3 out of 4 patents)

12.  Derrick D Hilliker (3 out of 3 patents)

13.  Marc J Hildebrandt (3 out of 10 patents)

14.  Robert H Seer (3 out of 4 patents)

15.  John L Van Meter (3 out of 3 patents)


Core Competencies:
Viscometer
Corrosion Testing
Oil Life Measurement
Grease Oxidation
Thin Film Testing
Fluid Coalescing
Rotatable Bomb
Pycnometer
Temperature Control
Foam Testing
Rotary Viscometry
Stator Connector

37 patents:

1. D1126020 - Test board for wire corrosion testing (2026-05-12),
2. 12276636 - Surface isolation resistance compatibility test system and method (2025-04-14),
3. 12092562 - Device and testing apparatus for liquid and vapor wire exposure testing (2024-09-17),
4. 11275072 - Effects of oxygen on grease (2022-03-15),
5. 10914719 - Grease oxidation (2021-02-09),
6. 10823656 - Instrumentation that embraces a rotational viscometer, or that has a cantilevered platform elevator and/or employs heat in one area but not another (2020-11-03),
7. 10663449 - Thin film liquid thermal testing (2020-05-26),
8. 10625233 - Testing pharmaceuticals and related substances (2020-04-21),
9. 10422783 - Grease oxidation (2019-09-24),
10. 10302619 - Grease wear resistance (2019-05-28),
11. 8975083 - Oil life measurement (2015-03-10),
12. 8679405 - Rotatable bomb (2014-03-25),
13. 7678328 - Rotatable bomb (2010-03-16),
14. D476247 - Pycnometer (2003-06-25),
15. 6282948 - Rotary viscometry with a low heat-transmissible spindle (2001-09-04),
Company Overview
Tannas Company, based in Midland, Michigan, specializes in the development and manufacturing of advanced instrumentation for the oil and gas industry. The company focuses on providing innovative solutions for fluid analysis, particularly in the measurement of water content in hydrocarbons. Tannas is recognized for its commitment to quality and precision, catering to a global clientele with a range of products that enhance operational efficiency and safety in energy production.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

37 Patents

#8 in Midland, MI

#355 in Michigan

#9,270 in US

#18,299 in the World

Midland, MI (US)
Midland, MI, United States of America

Tannas Company

Forward Citations = 96

40 inventors:

goldMedal Theodore W Selby (31 out of 55 patents)

silverMedal Gregory C Miiller (19 out of 19 patents)

bronzeMedal Jonathan C Evans (7 out of 18 patents)

4.  Kevin J Wolfe (7 out of 7 patents)

5.  Michael A Tubbs (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tannas Company. Retrieved from https://idiyas.com/company/tannas-company

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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