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For the Inventor, By the Inventor

Oak Brook, IL, United States of America

Federal Signal Corporation


USPTO Granted Patents = 161



Trademarks = 83

Forward Citations = 2,554

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138 inventors (with patents filed for the assignee):

goldMedal Earl W Gosswiller (19 out of 19 patents)

silverMedal Paul M Gergets (16 out of 16 patents)

bronzeMedal Xiaolun Huang (15 out of 15 patents)

4.  Robert A Czajkowski (13 out of 15 patents)

5.  Edward S Stanuch (13 out of 14 patents)

6.  Joseph F Bader (11 out of 11 patents)

7.  Charles P Meyer (10 out of 25 patents)

8.  Sigmund S Urbanski (9 out of 9 patents)

9.  Vincent S Fleszewski (7 out of 10 patents)

10.  Duane P Belitz (7 out of 7 patents)

11.  Jacek J Jozwik (7 out of 7 patents)

12.  Myron Pavlacka (6 out of 7 patents)

13.  Joseph L Schmidt (6 out of 8 patents)

14.  Jeffery M Loftus (5 out of 5 patents)

15.  Allan Mostello (5 out of 5 patents)


Core Competencies:
Excavation Vehicles
Electronically Controlled Sirens
Emergency Vehicle Lighting
Vehicle Peripheral Lighting
Power Split Drive Systems
Automated Activation Systems
Hazardous Detection Systems
Waterblasting Technology
Communication Systems
Volume Control Speakers
Modular Light Bars
Vehicle Monitoring Systems

161 patents:

1. 12492529 - Boom assembly for an excavation vehicle and method thereof (2025-12-09),
2. 12247372 - Boom turret for an excavation vehicle and method thereof (2025-03-11),
3. 12240375 - Electronically controlled siren (2025-03-04),
4. 12012029 - Debris hopper for a vehicle and method thereof (2024-06-18),
5. 11946581 - Connector cover and methods (2024-04-02),
6. 11878620 - Boom hose apparatus (2024-01-23),
7. 11801789 - Self-adapting variable loudness and/or variable sound pattern emergency vehicle siren system with optional collision warning (2023-10-31),
8. 11708020 - Lighting unit with electronically modulated beam configuration (2023-07-25),
9. D974212 - Lighting unit (2023-01-03),
10. 11533035 - Speaker with automatic volume control (2022-12-20),
11. 11530741 - Power split and variable creep drive system for street sweeper or like specialty vehicle (2022-12-20),
12. 11453330 - Vehicle peripheral lighting system (2022-09-27),
13. 11396258 - Self-adapting emergency vehicle lighting system (2022-07-26),
14. 11389842 - Light system for a sewer cleaning vehicle (2022-07-19),
15. D956110 - Boom hose apparatus (2022-06-28),
Federal Signal Corporation is a leading global designer, manufacturer, and supplier of products and solutions for security and safety, environmental and municipal solutions, and industrial signaling. With a history dating back to 1901, Federal Signal has established a strong reputation for providing innovative and reliable products. Their diverse range of offerings includes emergency vehicles, fire rescue products, utility vehicles, safety and security systems, and much more. With a focus on innovation, quality, and customer satisfaction, Federal Signal continues to provide cutting-edge solutions to meet the evolving needs of their customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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161 Patents

#4 in Oak Brook, IL

#156 in Illinois

#2,380 in US

#4,971 in the World

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Oak Brook, IL, United States of America

Federal Signal Corporation

Forward Citations = 2,554

138 inventors:

goldMedal Earl W Gosswiller (19 out of 19 patents)

silverMedal Paul M Gergets (16 out of 16 patents)

bronzeMedal Xiaolun Huang (15 out of 15 patents)

4.  Robert A Czajkowski (13 out of 15 patents)

5.  Edward S Stanuch (13 out of 14 patents)

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