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For the Inventor, By the Inventor

Sheboygan, WI, United States of America

Thomas Industries, Inc.


USPTO Granted Patents = 159

% Expired Patents = 6.9

Trademarks = 8

Forward Citations = 3,375

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100 inventors (with patents filed for the assignee):

goldMedal Roy J Rozek (25 out of 28 patents)

silverMedal Shawn Alan Leu (15 out of 18 patents)

bronzeMedal William Harry Lynn (10 out of 11 patents)

4.  Mark E O'Connell (9 out of 10 patents)

5.  Mark A Pickett (9 out of 10 patents)

6.  George F Toledo (8 out of 15 patents)

7.  Ross P Christiansen (8 out of 21 patents)

8.  Todd W Leonhard (7 out of 15 patents)

9.  Vince DiCola (6 out of 6 patents)

10.  Peter W Calvert (5 out of 5 patents)

11.  Paul J Thomas (4 out of 4 patents)

12.  Thomas R Hetzel (4 out of 4 patents)

13.  Walter B Herbst (4 out of 56 patents)

14.  Robert De'Armond (4 out of 4 patents)

15.  Paul J Weiss (3 out of 3 patents)


Core Competencies:
Fluid Pumping
Diaphragm Pump
Rotary Vane Pump
Two-Cylinder Compressor
Vacuum Pump
Aspirator
Compressor Assembly
Modular Pump
Pump Cylinder Seal
Motor Cooling
Pressure Relief Valve
Lighting Fixture

159 patents:

1. 9074589 - Pump (2015-07-07),
2. 7975717 - Pin insert (2011-07-12),
3. 7451687 - Hybrid nutating pump (2008-11-18),
4. 7322801 - Compact linear air pump and valve package (2008-01-29),
5. D549820 - Aspirator base jar bracket (2007-08-28),
6. D549320 - Aspirator base console (2007-08-21),
7. 7220109 - Pump cylinder seal (2007-05-22),
8. D532796 - Pump port (2006-11-28),
9. 7117781 - Piston balancing system (2006-10-10),
10. D524327 - Pump (2006-07-04),
11. 7037090 - Crankcase sealing apparatus (2006-05-02),
12. D510938 - Pump (2005-10-25),
13. 6916157 - Clam shell pump housing defining passageways and a sealed pressure or vacuum chamber (2005-07-12),
14. 6896721 - Motor start-up unloading in an oxygen concentrator (2005-05-24),
15. 6860754 - Lead retention bushing (2005-03-01),
Company Overview
Thomas Industries, Inc., based in Sheboygan, Wisconsin, specializes in fluid pumping technology, focusing on the development and manufacturing of various pump systems. The company offers a range of products including diaphragm pumps, rotary vane pumps, two-cylinder compressors, vacuum pumps, aspirators, and modular pump assemblies. With a commitment to innovation, Thomas Industries serves diverse industries by providing reliable and efficient fluid handling solutions tailored to meet specific operational needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Thomas Industries, Inc. USPTO Patent Assignee Logo
159 Patents

#2 in Sheboygan, WI

#51 in Wisconsin

#2,496 in US

#5,178 in the World

Sheboygan, WI (US)
Sheboygan, WI, United States of America

Thomas Industries, Inc.

Forward Citations = 3,375

100 inventors:

goldMedal Roy J Rozek (25 out of 28 patents)

silverMedal Shawn Alan Leu (15 out of 18 patents)

bronzeMedal William Harry Lynn (10 out of 11 patents)

4.  Mark E O'Connell (9 out of 10 patents)

5.  Mark A Pickett (9 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Thomas Industries, Inc.. Retrieved from https://idiyas.com/company/thomas-industries

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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