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Cedarburg, WI, United States of America

The Kelch Corporation

USPTO Granted Patents = 16

Forward Citations = 172

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14 inventors (with patents filed for the assignee):

James E Blomquist (4 out of 4 patents)

Gary R Guzikowski (3 out of 6 patents)

Robert M Larson (3 out of 4 patents)

4. Ronald E Koebernik (3 out of 3 patents)

5. Robert Daniel Tharp (2 out of 5 patents)

6. Michael Joseph Holz (2 out of 10 patents)

7. Daniel J Manning (2 out of 3 patents)

8. Jeffrey Allen Davis (1 out of 1 patent)

9. Austin Raymond Savio Braganza (1 out of 1 patent)

10. Barry S Simon (1 out of 1 patent)

11. Peter A Finn (1 out of 1 patent)

12. Kay E Prepodnik (1 out of 1 patent)

13. Michael E Stiever (1 out of 1 patent)

14. Ben J Porath (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 7493894 - Tank assembly and components (2009-02-24),

2. 5529481 - Rotational mold having a divider ring between facing edges of two (1996-06-25),

3. D366021 - Steering wheel (1996-01-09),

4. 5435181 - Electronic float gauge (1995-07-25),

5. 5306564 - Mold closure system (1994-04-26),

6. 5242072 - Vented fuel tank cap (1993-09-07),

7. 5224379 - Float activated gauge (1993-07-06),

8. 5061165 - Molding tool (1991-10-29),

9. 4978027 - Fuel tank with vent system (1990-12-18),

10. 4970896 - Float activated gauge (1990-11-20),

11. 4922954 - Bi-directional pressure relief vent for a fuel tank (1990-05-08),

12. 4905863 - Vent for portable gas tank or the like (1990-03-06),

13. 4838083 - Float activated gauge (1989-06-13),

14. 4724706 - Fuel tank gauge (1988-02-16),

15. 4519219 - Receptacle for beverage container (1985-05-28),

The Kelch Corporation is a leading provider of fuel management systems for the aviation industry. With over 70 years of experience, we specialize in designing and manufacturing innovative solutions to help companies efficiently track and manage their fuel inventory. Our products are trusted by airports, airlines, and military organizations around the world for their accuracy and reliability. Visit our website to learn more about how Kelch can streamline your fuel management process.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

16 Patents

#2 in Cedarburg, WI

#453 in Wisconsin

#19,327 in US

#36,704 in the World

Cedarburg, WI, United States of America

The Kelch Corporation

Forward Citations = 172

14 inventors:

James E Blomquist (4 out of 4 patents)

Gary R Guzikowski (3 out of 6 patents)

Robert M Larson (3 out of 4 patents)

4. Ronald E Koebernik (3 out of 3 patents)

5. Robert Daniel Tharp (2 out of 5 patents)

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