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For the Inventor, By the Inventor

Mansfield, OH, United States of America

The Gorman-Rupp Company

Calculating rank
USPTO Granted Patents = 47

% Expired Patents = 21.3



Trademarks = 29

Forward Citations = 643

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56 inventors (with patents filed for the assignee):

goldMedal Michael Keith (5 out of 6 patents)

silverMedal Thomas M Scott (4 out of 4 patents)

bronzeMedal Donald Racer (4 out of 5 patents)

4.  Michael H McNaull (4 out of 6 patents)

5.  Dale E Wolford (4 out of 4 patents)

6.  Eddie Cottrell (3 out of 3 patents)

7.  David W Oswalt (3 out of 3 patents)

8.  Milton N Hansen (3 out of 3 patents)

9.  Steven D McMahon (3 out of 3 patents)

10.  Michael L Stoffer (3 out of 4 patents)

11.  Jacob J Berry (2 out of 10 patents)

12.  Matthew Wenger (2 out of 5 patents)

13.  Tommy William Yeater (2 out of 2 patents)

14.  Mason B Mount (2 out of 6 patents)

15.  Cecil Flynn (2 out of 2 patents)


Core Competencies:
Fluid Transfer Pump
Centrifugal Pump
Diaphragm Pump
Self-Priming Pump
Air Release Valve
Pump Housing
Impeller
Rotary Gear Pump
Fluid Metering Pump
Mobile Pump Apparatus
Oscillating Pump
Vacuum Assisted Priming

47 patents:

1. 12644469 - Fluid transfer pump and method of operation (2026-06-02),
2. 12066028 - Fluid pump assembly (2024-08-20),
3. 11852152 - Pin vent assembly (2023-12-26),
4. D925608 - Pump housing (2021-07-20),
5. D915552 - Air release valve (2021-04-06),
6. D856482 - Air release valve (2019-08-13),
7. 8500393 - Chopper pump (2013-08-06),
8. 8439642 - Pump and pump impeller (2013-05-14),
9. 8439069 - Air release valve (2013-05-14),
10. 8414257 - Self-priming centrifugal pump (2013-04-09),
11. D677701 - Submersible pump housing (2013-03-12),
12. D667845 - Submersible pump housing (2012-09-25),
13. 8128340 - Stacked self-priming pump and centrifugal pump (2012-03-06),
14. 8025479 - Impeller (2011-09-27),
15. 7334600 - Priming apparatus for a centrifugal pump (2008-02-26),
Company Overview
The Gorman-Rupp Company, headquartered in Mansfield, Ohio, specializes in the design and manufacture of a diverse range of fluid handling solutions. The company is recognized for its expertise in various pump technologies, including centrifugal, self-priming, submersible, diaphragm, and electromagnetic pumps, as well as fluid metering systems. Gorman-Rupp serves multiple industries, providing reliable and efficient pumping solutions tailored to meet the specific needs of its customers, ensuring optimal performance in fluid management applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

The Gorman-Rupp Company USPTO Patent Assignee Logo
47 Patents

#2 in Mansfield, OH

#324 in Ohio

#7,448 in US

#14,840 in the World

Mansfield, OH (US)
Mansfield, OH, United States of America

The Gorman-Rupp Company

Forward Citations = 643

56 inventors:

goldMedal Michael Keith (5 out of 6 patents)

silverMedal Thomas M Scott (4 out of 4 patents)

bronzeMedal Donald Racer (4 out of 5 patents)

4.  Michael H McNaull (4 out of 6 patents)

5.  Dale E Wolford (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Gorman-Rupp Company. Retrieved from https://idiyas.com/company/gorman-rupp-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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