For the Inventor, By the Inventor

Enter assignee name

Marshalltown, IA, United States of America

Fisher Controls Company, Inc.

USPTO Granted Patents = 17

Trademarks = 2

Forward Citations = 345

Loading Chart...

Loading Chart...

24 inventors (with patents filed for the assignee):

Herbert H Walton (3 out of 10 patents)

Donald D Rice (3 out of 3 patents)

David E Wiklund (3 out of 4 patents)

4. Philip Wayne Eggleston (2 out of 20 patents)

5. Allen Carl Fagerlund (1 out of 23 patents)

6. Brian Joseph Burlage (1 out of 14 patents)

7. Eugene R Taylor, Jr (1 out of 3 patents)

8. Warren G Buchwald (1 out of 5 patents)

9. John W Duffy (1 out of 9 patents)

10. Michael E Hargrave (1 out of 1 patent)

11. Bob R Roberts (1 out of 1 patent)

12. Patrick Eugene Bachelder (1 out of 1 patent)

13. William David Sumner (1 out of 1 patent)

14. Fred J Luthe (1 out of 1 patent)

15. Allen E Hays (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 4559832 - Piezoelectric pressure frequency sensor (1985-12-24),

2. 4453559 - Pneumatic controller (1984-06-12),

3. 4402485 - Eccentrically nested tube gas line silencer (1983-09-06),

4. 4362499 - Combustion control system and method (1982-12-07),

5. 4350047 - Vortex-shedding flowmeter having two bluff bodies (1982-09-21),

6. 4295489 - Pilot-operated back pressure regulator (1981-10-20),

7. 4231546 - High-temperature bidirectional metal seal (1980-11-04),

8. 4175283 - Batch option module (1979-11-20),

9. 4148458 - Tight shutoff butterfly valve (1979-04-10),

10. 4137934 - Valve construction (1979-02-06),

11. 4108210 - Control valve trim assembly (1978-08-22),

12. 4041973 - Quick change valve trim assembly (1977-08-16),

13. 4005848 - Bidirectional pressure-assisted valve seal (1977-02-01),

14. 4004601 - Quick closing emergency valve (1977-01-25),

15. 3991903 - Quick-disconnect valve closure structure (1976-11-16),

Fisher Controls Company, Inc. is a leading provider of control valve solutions for industrial applications. With a history dating back to 1880, Fisher Controls has established a reputation for excellence in precision engineering and high-quality products. Their valve technologies are used in a wide range of industries including oil and gas, petrochemical, power generation, and water treatment. Fisher Controls is committed to innovation and customer satisfaction, delivering reliable and efficient solutions to meet the unique needs of each client.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

17 Patents

#3 in Marshalltown, IA

#103 in Iowa

#18,305 in US

#34,832 in the World

Marshalltown, IA, United States of America

Fisher Controls Company, Inc.

Forward Citations = 345

24 inventors:

Herbert H Walton (3 out of 10 patents)

Donald D Rice (3 out of 3 patents)

David E Wiklund (3 out of 4 patents)

4. Philip Wayne Eggleston (2 out of 20 patents)

5. Allen Carl Fagerlund (1 out of 23 patents)

Please report any incorrect information to support@idiyas.com

Loading…