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For the Inventor, By the Inventor

Southfield, MI, United States of America

Maxitrol Company

Calculating rank
USPTO Granted Patents = 19

% Expired Patents = 10.5


Trademarks = 10

Forward Citations = 191

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20 inventors (with patents filed for the assignee):

goldMedal Mark Geoffrey Masen (10 out of 11 patents)

silverMedal Jason Sagovac (4 out of 4 patents)

bronzeMedal John James Schlachter (4 out of 4 patents)

4.  Lynn E Cooper (2 out of 2 patents)

5.  Daniel James Perz (2 out of 2 patents)

6.  Donald W Cox (2 out of 2 patents)

7.  Frank P Mimick (2 out of 5 patents)

8.  Richard H Bargert (2 out of 4 patents)

9.  Bonnie Kern Koskela (2 out of 4 patents)

10.  Nicholas Roth Hanawalt (1 out of 1 patent)

11.  Alex Manoulian, Jr (1 out of 1 patent)

12.  Barbara Happe (1 out of 11 patents)

13.  Bonnie Kern-Koskela (1 out of 1 patent)

14.  Jeffrey L Scheuher (1 out of 1 patent)

15.  Juan F Velasquez (1 out of 4 patents)


19 patents:

1. 12297916 - Valve seat with seal for use with valve element in valve assembly (2025-05-13),
2. D1028177 - Control valve (2024-05-21),
3. 11536375 - Valve seat with seal for use with valve element in valve assembly (2022-12-27),
4. 11313558 - Constant efficiency controller (2022-04-26),
5. 11313484 - Multifunction valve (2022-04-26),
6. 11022305 - Control system and method for a solid fuel combustion appliance (2021-06-01),
7. 10302204 - Multifunction valve (2019-05-28),
8. 10234139 - Control system and method for a solid fuel combustion appliance (2019-03-19),
9. 9803862 - Control system and method for a solid fuel combustion appliance (2017-10-31),
10. 9375664 - Filter assembly (2016-06-28),
11. 9022778 - Signal conditioner for use in a burner control system (2015-05-05),
12. D660809 - Remote control unit for a combustion appliance (2012-05-29),
13. 7823581 - Remote control for gas valve (2010-11-02),
14. D609197 - Hand-held control unit (2010-02-02),
15. 7553151 - Timer relay control board (2009-06-30),
Company Overview
Maxitrol Company, based in Southfield, Michigan, specializes in the development and manufacturing of gas control systems and components. The company is recognized for its expertise in providing innovative solutions for various applications, including heating, ventilation, and air conditioning (HVAC) systems. Maxitrol's products are designed to enhance efficiency and safety in gas utilization, serving a diverse range of industries. With a focus on quality and reliability, Maxitrol continues to advance technology in gas management and control.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

19 Patents

#24 in Southfield, MI

#619 in Michigan

#17,150 in US

#32,693 in the World

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

Maxitrol Company

Forward Citations = 191

20 inventors:

goldMedal Mark Geoffrey Masen (10 out of 11 patents)

silverMedal Jason Sagovac (4 out of 4 patents)

bronzeMedal John James Schlachter (4 out of 4 patents)

4.  Lynn E Cooper (2 out of 2 patents)

5.  Daniel James Perz (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Maxitrol Company. Retrieved from https://idiyas.com/company/maxitrol-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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