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For the Inventor, By the Inventor

Tucson, AZ, United States of America

Walbro Corporation


USPTO Granted Patents = 380

% Expired Patents = 7.1


Trademarks = 7

Forward Citations = 4,865

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217 inventors (with patents filed for the assignee):

goldMedal Charles H Tuckey (107 out of 111 patents)

silverMedal Edward J Talaski (27 out of 37 patents)

bronzeMedal David L Speirs (26 out of 33 patents)

4.  Bradley Jon Roche (26 out of 29 patents)

5.  Martin N Andersson (21 out of 31 patents)

6.  George M Pattullo (21 out of 39 patents)

7.  William E Galka (20 out of 23 patents)

8.  Ronald H Roche (17 out of 31 patents)

9.  Cyrus M Healy (16 out of 19 patents)

10.  Mark S Swanson (16 out of 22 patents)

11.  Albert L Sayers (11 out of 12 patents)

12.  Duried F Rabban (11 out of 11 patents)

13.  Kevin L Israelson (11 out of 19 patents)

14.  Eric L King (10 out of 13 patents)

15.  John C Woody (10 out of 20 patents)


Core Competencies:
Fuel Pump Assembly
Throttle Body
Fuel Injector
Charge Forming Device
Ignition System
Electromechanical Valve
Vapor Separator
Fuel Control
Low Pressure Injection
Multi-Function Control
Engine Control Strategy
Liquid Level Sensor

380 patents:

1. 12662980 - Fuel pressure regulartor with jet pump (2026-06-23),
2. 12523213 - Method of forming a diaphragm for a liquid pump (2026-01-13),
3. 12429019 - Fuel and air charge forming device (2025-09-30),
4. 12421924 - Fuel supply assembly with in-tank reservoir (2025-09-23),
5. 12385457 - Method of controlling a fuel injector (2025-08-12),
6. 12385455 - Fuel pump assembly with multiple pumps and variable output (2025-08-12),
7. 12228087 - System for controlling an electronic throttle body (2025-02-18),
8. 12123374 - Fuel supply device with injector and vapor management (2024-10-22),
9. 12078121 - Fuel injector control strategy for intake vacuum based low pressure fuel system (2024-09-03),
10. 12012920 - Charge forming device with throttle valve (2024-06-18),
11. 12000352 - Charge forming device with pressure sensor (2024-06-04),
12. 11988184 - Engine ignition system with multiple ignition events (2024-05-21),
13. 11927164 - Low pressure fuel and air charge forming device for a combustion engine (2024-03-12),
14. 11920544 - Fuel supply device with injector and vapor management (2024-03-05),
15. 11905901 - System for improved starting of a powered device including one or more threshold conditions (2024-02-20),
Walbro Corporation is a leading global manufacturer of fuel systems and engine management solutions for the outdoor power equipment, recreational marine, agriculture, and small engine markets. With a rich heritage spanning over 70 years, Walbro designs, manufactures, and markets products that optimize engine performance, improve fuel efficiency, and reduce emissions. The company leverages cutting-edge technologies and innovative engineering to deliver reliable and high-quality solutions that meet the ever-evolving needs of its customers.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

Walbro Corporation
380 Patents

#3 in Tucson, AZ

#12 in Arizona

#1,216 in US

#2,433 in the World

Tucson, AZ (US)
Tucson, AZ, United States of America

Walbro Corporation

Forward Citations = 4,865

217 inventors:

goldMedal Charles H Tuckey (107 out of 111 patents)

silverMedal Edward J Talaski (27 out of 37 patents)

bronzeMedal David L Speirs (26 out of 33 patents)

4.  Bradley Jon Roche (26 out of 29 patents)

5.  Martin N Andersson (21 out of 31 patents)

Please report any incorrect information to [email protected]
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