For the Inventor, By the Inventor

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Tucson, AZ, United States of America

Walbro Corporation

USPTO Granted Patents = 380

% Expired Patents = 7.1

EPO Patents = 2

Trademarks = 7

Forward Citations = 4,865

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217 inventors (with patents filed for the assignee):

Charles H Tuckey (107 out of 111 patents)

Edward J Talaski (27 out of 37 patents)

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: Sort by Forward Citations

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),

Company Overview

Walbro Corporation, headquartered in Tucson, Arizona, specializes in the development and manufacturing of advanced fuel injection systems. The company focuses on key technologies such as fuel pump assemblies, throttle bodies, fuel injectors, and ignition systems, catering primarily to the automotive and small engine markets. With a commitment to innovation, Walbro also explores electromechanical valves and vapor separators, ensuring efficient fuel control and performance optimization in various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

380 Patents

#3 in Tucson, AZ

#12 in Arizona

#1,217 in US

#2,436 in the World

Tucson, AZ, United States of America

Walbro Corporation

Forward Citations = 4,865

217 inventors:

Charles H Tuckey (107 out of 111 patents)

Edward J Talaski (27 out of 37 patents)

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)

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

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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