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For the Inventor, By the Inventor

Marshall, MI, United States of America

Marshall Excelsior Company

Calculating rank
USPTO Granted Patents = 37

% Expired Patents = 5.4


Forward Citations = 244

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14 inventors (with patents filed for the assignee):

goldMedal Frederick William Blanchard (22 out of 33 patents)

silverMedal Alex L Hoffman (18 out of 18 patents)

bronzeMedal 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)


Core Competencies:
Fuel Delivery System
Hose Reel
Combination Valve
Bypass Valve Assembly
Flow Control Valve
Float Gauge Assembly
Pressure Regulator
Fluid Transfer Device
Quick Fill Connector
Gas Convenience Outlet
Low Emission Device
Motor Fuel Connector

37 patents:

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),
Company Overview
Marshall Excelsior Company, based in Marshall, Michigan, specializes in the design and manufacture of high-quality gas control equipment and related products. The company focuses on providing innovative solutions for the industrial, commercial, and residential markets, ensuring safety and efficiency in gas handling. With a commitment to engineering excellence, Marshall Excelsior develops a range of products including regulators, valves, and fittings, catering to the needs of various sectors while adhering to stringent industry standards.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Marshall Excelsior Company USPTO Patent Assignee Logo
37 Patents

#2 in Marshall, MI

#355 in Michigan

#9,270 in US

#18,299 in the World

Marshall, MI (US)
Marshall, MI, United States of America

Marshall Excelsior Company

Forward Citations = 244

14 inventors:

goldMedal Frederick William Blanchard (22 out of 33 patents)

silverMedal Alex L Hoffman (18 out of 18 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marshall Excelsior Company. Retrieved from https://idiyas.com/company/marshall-excelsior-company

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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