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For the Inventor, By the Inventor

Itasca, IL, United States of America

Robertshaw Controls Company


USPTO Granted Patents = 877



Trademarks = 15

Forward Citations = 11,209

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373 inventors (with patents filed for the assignee):

goldMedal Daniel L Fowler (39 out of 41 patents)

silverMedal Jay R Katchka (35 out of 37 patents)

bronzeMedal Fred Riehl (35 out of 35 patents)

4.  James E Pearson (27 out of 39 patents)

5.  Werner R Bauer (27 out of 27 patents)

6.  Frederick J Geary (25 out of 25 patents)

7.  Hugh J Tyler (23 out of 24 patents)

8.  Thomas M Buckshaw (23 out of 23 patents)

9.  Boyd P Sliger (21 out of 21 patents)

10.  Samuel T Kelly (20 out of 24 patents)

11.  Brian J Kadwell (17 out of 24 patents)

12.  Roger P Sepso (17 out of 17 patents)

13.  Charles D Branson (17 out of 17 patents)

14.  Roy C Demi (17 out of 18 patents)

15.  David D Martin (16 out of 18 patents)


Core Competencies:
Integrated Manifold
Pressure Sensing Valve
Gas Solenoid Valve
Intelligent Gas Cooktop Burner
Electro-Mechanical Energy Regulator
Flame Rectification Circuit
Variable Flow Gas Valve
Multi-Port Valve
Water Detector Clip
Air Damper
Pilot Operated Water Valve
Bimetal Valve

877 patents:

1. 12374739 - Integrated manifold (2025-07-29),
2. 12366869 - Pressure sensing valve (2025-07-22),
3. 12359809 - Back lit temperature knob (2025-07-15),
4. 12345343 - Anti-seize adjustable regulator (2025-07-01),
5. 12228214 - Nine port cooling valve (2025-02-18),
6. 12066116 - Double flow rate gas solenoid valve (2024-08-20),
7. 11892173 - Intelligent gas cooktop burner (2024-02-06),
8. 11810741 - Increased push travel alternative for energy regulator (2023-11-07),
9. 11808452 - Intermittent pilot ignition gas valve having protection against negative pressure for internal diaphragms (2023-11-07),
10. 11796073 - Six port valve (2023-10-24),
11. 11773990 - Multi-port multi-mode valve (2023-10-03),
12. 11686645 - Water detector clip (2023-06-27),
13. 11655906 - Multi-port multi-plane valve (2023-05-23),
14. 11655905 - Multi-port valve (2023-05-23),
15. 11592116 - Five port valve (2023-02-28),
Robertshaw Controls Company is a global leader in the design and manufacture of innovative control systems, sensors, and components for the HVAC and appliance industries. With over 100 years of experience, Robertshaw is known for bringing advanced technology and superior quality to their customers. They offer a wide range of products including thermostats, gas valves, ignition controls, and pressure switches. Robertshaw's commitment to sustainability and energy efficiency makes them a trusted partner for customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

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877 Patents

#1 in Itasca, IL

#35 in Illinois

#564 in US

#1,123 in the World

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Itasca, IL, United States of America

Robertshaw Controls Company

Forward Citations = 11,209

373 inventors:

goldMedal Daniel L Fowler (39 out of 41 patents)

silverMedal Jay R Katchka (35 out of 37 patents)

bronzeMedal Fred Riehl (35 out of 35 patents)

4.  James E Pearson (27 out of 39 patents)

5.  Werner R Bauer (27 out of 27 patents)

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