For the Inventor, By the Inventor

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Southfield, MI, United States of America

Maxitrol Company

USPTO Granted Patents = 19

% Expired Patents = 10.5

EPO Patents = 2

Trademarks = 10

Forward Citations = 191

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20 inventors (with patents filed for the assignee):

Mark Geoffrey Masen (10 out of 11 patents)

Jason Sagovac (4 out of 4 patents)

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: Sort by Forward Citations

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),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

19 Patents

#24 in Southfield, MI

#618 in Michigan

#17,113 in US

#32,592 in the World

Southfield, MI, United States of America

Maxitrol Company

Forward Citations = 191

20 inventors:

Mark Geoffrey Masen (10 out of 11 patents)

Jason Sagovac (4 out of 4 patents)

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)

Please report any incorrect information to [email protected]

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