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For the Inventor, By the Inventor

Waukesha, WI, United States of America

Generac Power Systems, Inc.


USPTO Granted Patents = 108

% Expired Patents = 16.7



Trademarks = 58

Forward Citations = 1,008

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130 inventors (with patents filed for the assignee):

goldMedal Robert D Kern (26 out of 42 patents)

silverMedal Gerald C Ruehlow (26 out of 43 patents)

bronzeMedal Greg Wischstadt (10 out of 10 patents)

4.  Steven J Wilcox (10 out of 14 patents)

5.  Francis X Wedel (9 out of 12 patents)

6.  Tod R Tesch (8 out of 8 patents)

7.  Robert Iles (8 out of 9 patents)

8.  Douglas R Clement (6 out of 6 patents)

9.  Guoming Wu (6 out of 6 patents)

10.  Allen D Gillette (6 out of 7 patents)

11.  Brandon Schmidt (5 out of 5 patents)

12.  Kevin Cole (5 out of 5 patents)

13.  Brendan Pancheri (5 out of 11 patents)

14.  Andy Phillips (5 out of 5 patents)

15.  Taesik Yu (5 out of 5 patents)


Core Competencies:
Load Management
Carbon Monoxide Detection
Thermal Management
Electrical Generators
Power Control
Modular Systems
Diesel Emissions Control
Smart Systems
Energy Optimization
Fuel Bypass
Current Quality
Transfer Switch

108 patents:

1. 12691474 - Pressure washer with container holder (2026-07-28),
2. 12658746 - Alternator with rotor lamination stack (2026-06-16),
3. 12630035 - Electric vehicle charger energy management equipment for use with generator back-up (2026-05-19),
4. 12624655 - Fuel bypass system for gaseous-fueled engine (2026-05-12),
5. D1113479 - Thermostat with removable trim plate (2026-02-17),
6. 12503984 - Carbon monoxide detecting system for internal combustion engine-based machines (2025-12-23),
7. 12473866 - Integrated throttle—fuel mixer (2025-11-18),
8. 12449153 - Thermostat device with improved energy optimization (2025-10-21),
9. 12316101 - Compact modular electrical load management system (2025-05-27),
10. D1075195 - Mobile chassis portion of a pressure washer (2025-05-13),
11. 12290846 - Adjustable outlet for mobile blower (2025-05-06),
12. 12266258 - Video doorbell with chime controller (2025-04-01),
13. 12241649 - MPC for HVAC with thermal model selection (2025-03-04),
14. 12228062 - Diesel emissions control system (2025-02-18),
15. 12206081 - Battery module thermal management (2025-01-21),
Generac Power Systems, Inc. is a leading manufacturer specializing in electrical generators and related technologies. Headquartered in Waukesha, Wisconsin, the company focuses on innovative solutions in load management, power control, and modular systems. Generac is committed to enhancing energy reliability through advanced thermal management and carbon monoxide detection systems. Its expertise extends to diesel emissions control and smart systems, positioning the company at the forefront of the power generation industry.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Generac Power Systems, Inc.
108 Patents

#3 in Waukesha, WI

#78 in Wisconsin

#3,530 in US

#7,270 in the World

Waukesha, WI (US)
Waukesha, WI, United States of America

Generac Power Systems, Inc.

Forward Citations = 1,008

130 inventors:

goldMedal Robert D Kern (26 out of 42 patents)

silverMedal Gerald C Ruehlow (26 out of 43 patents)

bronzeMedal Greg Wischstadt (10 out of 10 patents)

4.  Steven J Wilcox (10 out of 14 patents)

5.  Francis X Wedel (9 out of 12 patents)

Please report any incorrect information to [email protected]
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