For the Inventor, By the Inventor

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Aurora, IL, United States of America

Harper-Wyman Company

USPTO Granted Patents = 43

Forward Citations = 814

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29 inventors (with patents filed for the assignee):

Joseph C Kadlubowski (6 out of 6 patents)

Joseph John Cacciatore (5 out of 10 patents)

David J Kwiatek (4 out of 13 patents)

4. Lyle B Lund (4 out of 4 patents)

5. Darryl Williams (3 out of 3 patents)

6. Charles E Stohrer, Jr (3 out of 3 patents)

7. Norman M Huff (3 out of 3 patents)

8. Frank H Bergquist (3 out of 3 patents)

9. David A Casolari (2 out of 2 patents)

10. Joseph L Asta (2 out of 3 patents)

11. Craig M Cors (2 out of 4 patents)

12. David Baker White (2 out of 2 patents)

13. Otto J Cousins (2 out of 3 patents)

14. Dale A Massey (2 out of 2 patents)

15. Charles J Schmitz (2 out of 2 patents)

Core Competencies:

Gas Range

Thermostat Calibration

Spark Ignition

Gas Burner Assembly

Modular Oven Thermostat

Temperature Control

Safety Latch Control

Fuel Burner Circuit

Gas Distribution Manifold

Rapid Response Thermal Switch

Electronic Digital Thermostat

Proportional Flow Control Valve

43 patents: Sort by Forward Citations

1. 6237638 - Manifold assembly for a gas range (2001-05-29),

2. 6149065 - Modulating thermostat for gas oven burner (2000-11-21),

3. 6082397 - Gas manifold connector and gas distribution manifold assembly for gas (2000-07-04),

4. 6015322 - Method of making spark ignition electrode assembly (2000-01-18),

5. 5957679 - Gas fireplace burner control system (1999-09-28),

6. 5924860 - Thickwall gas burner assembly (1999-07-20),

7. 5911572 - Spark ignition electrode assembly for gas stove top burner (1999-06-15),

8. D388280 - Battery powered spark igniter for a gas grill (1997-12-30),

9. 5676539 - Gas burner mounting (1997-10-14),

10. 5655900 - Gas oven control system (1997-08-12),

11. 5617070 - Gas/electric oven thermostat with self cleaning temperature calibration (1997-04-01),

12. 5525771 - Spark ignition switch and valve assembly for gas burners including (1996-06-11),

13. 5416970 - Method of assembling a modular electric/gas oven thermostat (1995-05-23),

14. 5397234 - Gas stove top burner assembly (1995-03-14),

15. 5392022 - Modular electric/gas oven thermostat (1995-02-21),

Harper-Wyman Company is a leading provider of advanced control solutions for the home appliance industry. With over 65 years of experience, we design and manufacture top-quality gas valves, thermostats, igniters, and other innovative components. Our products are trusted by major appliance manufacturers globally for their reliability and performance. Visit our website for more information and to explore our wide range of products.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

43 Patents

#7 in Aurora, IL

#431 in Illinois

#7,822 in US

#15,578 in the World

Aurora, IL, United States of America

Harper-Wyman Company

Forward Citations = 814

29 inventors:

Joseph C Kadlubowski (6 out of 6 patents)

Joseph John Cacciatore (5 out of 10 patents)

David J Kwiatek (4 out of 13 patents)

4. Lyle B Lund (4 out of 4 patents)

5. Darryl Williams (3 out of 3 patents)

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