For the Inventor, By the Inventor

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Marshall, MI, United States of America

Marshall Excelsior Company

USPTO Granted Patents = 37

CIPO Patents = 3

Trademarks = 12

Forward Citations = 231

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14 inventors (with patents filed for the assignee):

Frederick William Blanchard (22 out of 32 patents)

Alex L Hoffman (18 out of 18 patents)

James C Zuck (14 out of 14 patents)

4. Franco J Domingo (4 out of 4 patents)

5. Jonathan William Sanders (3 out of 5 patents)

6. Aaron Zuck (3 out of 3 patents)

7. Eric J Olsen (2 out of 2 patents)

8. Nathan H Coy (1 out of 1 patent)

9. Malia M Bucher (1 out of 1 patent)

10. Christopher Fruin (1 out of 1 patent)

11. Patrick E Bachelder (1 out of 1 patent)

12. Phillip J Hagerty (1 out of 1 patent)

13. Sean Leister (1 out of 1 patent)

14. Jeffrey A Brown (1 out of 1 patent)

37 patents: Sort by Forward Citations

1. 12434959 - Fuel delivery system having a hose end valve (2025-10-07),

2. 12312208 - Hose reel (2025-05-27),

3. 11841086 - Combination valve (2023-12-12),

4. 11692634 - Bypass valve assembly with integrated flow control valve (2023-07-04),

5. D972426 - Gauge (2022-12-13),

6. D951973 - Display screen with animated images (2022-05-17),

7. 11209090 - Bypass valve assembly with integrated flow control valve (2021-12-28),

8. 10774933 - Valve assembly (2020-09-15),

9. 10670174 - Dielectric fitting for pressure regulator (2020-06-02),

10. 10458835 - Float gauge assembly for storage tanks (2019-10-29),

11. 10431128 - Pressure regulator with identification device (2019-10-01),

12. 9976683 - Quick fill fluid connector (2018-05-22),

13. 9874293 - Fluid transfer device with quick-acting shutoff (2018-01-23),

14. 9709998 - Pressure regulator (2017-07-18),

15. 9694732 - Double flanged off-set valve assembly (2017-07-04),

Marshall Excelsior Company is a leading manufacturer of high-quality products for the propane industry. With a focus on safety and performance, they offer a wide range of products including regulators, valves, fittings, and accessories. Their innovative solutions and commitment to customer satisfaction have made them a trusted name in the propane industry for over 40 years.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

37 Patents

#2 in Marshall, MI

#345 in Michigan

#8,948 in US

#17,727 in the World

Marshall, MI, United States of America

Marshall Excelsior Company

Forward Citations = 231

14 inventors:

Frederick William Blanchard (22 out of 32 patents)

Alex L Hoffman (18 out of 18 patents)

James C Zuck (14 out of 14 patents)

4. Franco J Domingo (4 out of 4 patents)

5. Jonathan William Sanders (3 out of 5 patents)

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