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For the Inventor, By the Inventor

Fort Wayne, IN, United States of America

Tuthill Corporation


USPTO Granted Patents = 77

% Expired Patents = 7.8



Trademarks = 42

Forward Citations = 1,050

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64 inventors (with patents filed for the assignee):

goldMedal Thomas R Headley (9 out of 24 patents)

silverMedal Jacob J Berry (8 out of 10 patents)

bronzeMedal Benjamin R Freiburger (6 out of 7 patents)

4.  Edward W Vipond (4 out of 8 patents)

5.  John E Hathaway (4 out of 5 patents)

6.  Richard J Silagy (4 out of 9 patents)

7.  Matthew H Gevers (4 out of 8 patents)

8.  Matthew Wenger (3 out of 5 patents)

9.  Nicholas G Till (3 out of 4 patents)

10.  Stephen R Lund (3 out of 4 patents)

11.  Kraig J Schlosser (3 out of 28 patents)

12.  Edward D Gailey (3 out of 7 patents)

13.  Paul Gergets (3 out of 3 patents)

14.  John M Weston (3 out of 3 patents)

15.  Thomas D Karcher (3 out of 8 patents)


Core Competencies:
Fluid Pump Assembly
Portable Fuel Pump
Turbine Meter
Positive Displacement Pump
Fluid Transfer
Double Diaphragm Pump
Flow Regulating Valve
Screw Pump
Magnetically Driven Pump
Dispensing Nozzle
Valve Assembly
Universal Adapter

77 patents:

1. 11346353 - Fluid pump assembly (2022-05-31),
2. 11346341 - Portable fuel pump (2022-05-31),
3. D949205 - Fluid pump (2022-04-19),
4. 10590939 - Fluid pump assembly (2020-03-17),
5. 10526192 - Universal adapter (2020-01-07),
6. 10418878 - Portable fuel pump (2019-09-17),
7. 10365141 - Measuring adapter assembly for closed loop fluid transfer system (2019-07-30),
8. D850960 - Turbine meter (2019-06-11),
9. D815152 - Fuel transfer pump (2018-04-10),
10. D812504 - Turbine meter (2018-03-13),
11. 9605673 - Pump with pivoted vanes (2017-03-28),
12. 9028224 - Air operated double diaphragm pump (2015-05-12),
13. D725153 - Portable fuel pump design (2015-03-24),
14. 8764424 - Screw pump with field refurbishment provisions (2014-07-01),
15. D684998 - Fuel transfer pump (2013-06-25),
Company Overview
Tuthill Corporation, headquartered in Fort Wayne, Indiana, specializes in fluid pump technology, focusing on the development and manufacturing of a diverse range of pumping solutions. Their expertise encompasses fluid pump assemblies, portable fuel pumps, turbine meters, positive displacement pumps, and double diaphragm pumps, among others. Tuthill is dedicated to advancing fluid transfer technologies and flow regulation, serving various industries with innovative and reliable products 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

Tuthill Corporation USPTO Patent Assignee Logo
77 Patents

#5 in Fort Wayne, IN

#87 in Indiana

#4,787 in US

#9,769 in the World

Fort Wayne, IN (US)
Fort Wayne, IN, United States of America

Tuthill Corporation

Forward Citations = 1,050

64 inventors:

goldMedal Thomas R Headley (9 out of 24 patents)

silverMedal Jacob J Berry (8 out of 10 patents)

bronzeMedal Benjamin R Freiburger (6 out of 7 patents)

4.  Edward W Vipond (4 out of 8 patents)

5.  John E Hathaway (4 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tuthill Corporation. Retrieved from https://idiyas.com/company/tuthill

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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