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For the Inventor, By the Inventor

Benton Harbor, MI, United States of America

Gast Manufacturing, Inc.


USPTO Granted Patents = 20

% Expired Patents = 10.0


Trademarks = 5

Forward Citations = 187

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31 inventors (with patents filed for the assignee):

goldMedal Lorraine Joan Westlake (5 out of 35 patents)

silverMedal William S Otte, Jr (4 out of 4 patents)

bronzeMedal Delbert L Thomas, Jr (4 out of 4 patents)

4.  Delbert L Thomas (3 out of 3 patents)

5.  Christopher Lee Blackburn (2 out of 4 patents)

6.  Troy Smits (2 out of 3 patents)

7.  Edward T Faulkner (2 out of 3 patents)

8.  Floyd G Jackson (1 out of 18 patents)

9.  George H Morgan (1 out of 12 patents)

10.  Travis J Dokey (1 out of 1 patent)

11.  Gary W Dunlap (1 out of 1 patent)

12.  Steven T Krempasky (1 out of 1 patent)

13.  D Mark Aker (1 out of 1 patent)

14.  Dan A Papczynski (1 out of 1 patent)

15.  Caleb Youker (1 out of 1 patent)


20 patents:

1. 12698765 - Sound reduction device for rocking piston compressors (2026-08-04),
2. 11542933 - Sound reduction device for rocking piston pumps and compressors (2023-01-03),
3. 9863412 - Rocking piston compressor with sound dissipation (2018-01-09),
4. 8246327 - Dual-cylinder rocking piston compressor (2012-08-21),
5. 8128382 - Compact dual rocking piston pump with reduced number of parts (2012-03-06),
6. 7998343 - Wastewater treatment system (2011-08-16),
7. 7947100 - Combination vertical rotary vane suction pump and liquid separator (2011-05-24),
8. 7189068 - Sound reduced rotary vane compressor (2007-03-13),
9. 6881044 - Rotary vane compressor with interchangeable end plates (2005-04-19),
10. D499119 - Compressor (2004-12-01),
11. D464063 - Compressor (2002-10-09),
12. 6431845 - Head cover assembly with monolithic valve plate (2002-08-13),
13. 6279421 - Connecting rod assembly with reduced length variability (2001-08-28),
14. D444799 - Compressor (2001-07-11),
15. 6126410 - Head cover assembly for reciprocating compressor (2000-10-03),
Company Overview
Gast Manufacturing, Inc. is a leading provider of air-moving solutions, specializing in the design and manufacture of rotary vane pumps, compressors, and blowers. The company serves a diverse range of industries, including medical, food processing, and environmental applications, with a focus on delivering reliable and efficient products. Headquartered in Benton Harbor, Michigan, Gast is committed to innovation and quality, ensuring that its technologies meet the evolving needs of its global customer base.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

20 Patents

#7 in Benton Harbor, MI

#587 in Michigan

#16,395 in US

#31,264 in the World

Benton Harbor, MI (US)
Benton Harbor, MI, United States of America

Gast Manufacturing, Inc.

Forward Citations = 187

31 inventors:

goldMedal Lorraine Joan Westlake (5 out of 35 patents)

silverMedal William S Otte, Jr (4 out of 4 patents)

bronzeMedal Delbert L Thomas, Jr (4 out of 4 patents)

4.  Delbert L Thomas (3 out of 3 patents)

5.  Christopher Lee Blackburn (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gast Manufacturing, Inc.. Retrieved from https://idiyas.com/company/gast-manufacturing

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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