For the Inventor, By the Inventor

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Longview, TX, United States of America

Axelson, Inc.

USPTO Granted Patents = 14

Forward Citations = 144

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10 inventors (with patents filed for the assignee):

David E Snyder (8 out of 18 patents)

Billy R Bruton (4 out of 6 patents)

Ralph W Vanderburg (3 out of 4 patents)

4. Don Hiller (2 out of 2 patents)

5. Craig B Breaux (1 out of 1 patent)

6. Denny Cawyer (1 out of 1 patent)

7. Dwight Duplantis (1 out of 1 patent)

8. M Wayne Perkins (1 out of 1 patent)

9. Joe D Maxwell (1 out of 1 patent)

10. Norman L Gundel (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 5140894 - Gas spring actuator (1992-08-25),

2. 5067510 - Adjustable, fusible, manually operable valve lock-open assembly (1991-11-26),

3. 5027847 - Pneumatic valve actuator sequencing control system and sequencing relay (1991-07-02),

4. 4974631 - Dome pressure maintaining valve (1990-12-04),

5. 4671312 - Wireline cutting actuator and valve (1987-06-09),

6. 4625764 - Relay valve (1986-12-02),

7. 4619434 - Heat sensitive motor valve jack (1986-10-28),

8. 4527770 - In-service test valve (1985-07-09),

9. 4523602 - Pressure controller (1985-06-18),

10. 4505291 - Heat sensitive fire safe valve energy assist device (1985-03-19),

11. 4480653 - In-service test valve (1984-11-06),

12. 4469119 - Pilot valve with fusible lockout knob (1984-09-04),

13. 4434967 - Valve self-relieving seats (1984-03-06),

14. 4421134 - Heat sensitive gate valve (1983-12-20),

Axelson, Inc. is a leading provider of industrial equipment and services for the oil, gas, and petrochemical industries. With a proven track record of delivering high-quality products and exceptional customer service, Axelson, Inc. has become a trusted partner for companies seeking reliable solutions for their operations. From valves and pumps to control systems and instrumentation, Axelson, Inc. offers a comprehensive range of products to meet the diverse needs of its clients. Visit our website to learn more about our offerings and how we can help you achieve your business goals.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

14 Patents

#6 in Longview, TX

#1,346 in Texas

#21,640 in US

#40,937 in the World

Longview, TX, United States of America

Axelson, Inc.

Forward Citations = 144

10 inventors:

David E Snyder (8 out of 18 patents)

Billy R Bruton (4 out of 6 patents)

Ralph W Vanderburg (3 out of 4 patents)

4. Don Hiller (2 out of 2 patents)

5. Craig B Breaux (1 out of 1 patent)

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