For the Inventor, By the Inventor

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Waukesha, WI, United States of America

Generac Corporation

USPTO Granted Patents = 13

Trademarks = 3

Forward Citations = 243

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16 inventors (with patents filed for the assignee):

Robert D Kern (12 out of 42 patents)

Gerald C Ruehlow (11 out of 43 patents)

Graham W McLean (6 out of 13 patents)

4. Frank Wedel (5 out of 5 patents)

5. Mark J Sarder (3 out of 52 patents)

6. Herb Hoenisch (3 out of 7 patents)

7. Andrew B Robson (2 out of 3 patents)

8. Mark Kastner (2 out of 2 patents)

9. Dennis Cerney (2 out of 2 patents)

10. Richard J Gilpatrick (1 out of 39 patents)

11. Francis X Wedel (1 out of 12 patents)

12. Peter D Winnie (1 out of 6 patents)

13. Wes Sodemann (1 out of 5 patents)

14. Michael Wheeley (1 out of 1 patent)

15. Michael R Wheeley (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 5914551 - Electrical alternator (1999-06-22),

2. 5899176 - Apparatus for reducing engine fan noise (1999-05-04),

3. 5861604 - Arc welder and method providing use-enhancing features (1999-01-19),

4. 5831366 - Permanent magnet alternator (1998-11-03),

5. 5816102 - Engine-generator set with integral gear reduction (1998-10-06),

6. 5797540 - Method of making a power-transmitting coupling (1998-08-25),

7. 5718255 - Flow-responsive diverting valve (1998-02-17),

8. 5537025 - Battery charger/pre-exciter for engine-driven generator (1996-07-16),

9. 5504417 - Engine-driven generator (1996-04-02),

10. 5497735 - Internal combustion engine for portable power generating equipment (1996-03-12),

11. 5489811 - Permanent magnet alternator (1996-02-06),

12. 5376877 - Engine-driven generator (1994-12-27),

13. 5317999 - Internal combustion engine for portable power generating equipment (1994-06-07),

Generac Corporation is a leading provider of power generation equipment and solutions for residential, commercial, and industrial applications. With a focus on innovation and reliability, Generac offers a wide range of generators, transfer switches, and other power products to meet the needs of customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

13 Patents

#28 in Waukesha, WI

#533 in Wisconsin

#23,104 in US

#43,644 in the World

Waukesha, WI, United States of America

Generac Corporation

Forward Citations = 243

16 inventors:

Robert D Kern (12 out of 42 patents)

Gerald C Ruehlow (11 out of 43 patents)

Graham W McLean (6 out of 13 patents)

4. Frank Wedel (5 out of 5 patents)

5. Mark J Sarder (3 out of 52 patents)

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