Oak Brook, IL, United States of America

Federal Signal Corporation


USPTO Granted Patents = 164

% Expired Patents = 3.7



Trademarks = 63

Forward Citations = 2,590

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127 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 (12 out of 12 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:
Modular Push Bumper
High Pressure Pump
Electronically Controlled Siren
Vehicle Lighting System
Boom Hose Apparatus
Warning Devices
Automated Activation
Facility Safety System
Waterblasting System
Power Split System
Hazardous Detection

164 patents:

Company Overview
Federal Signal Corporation, headquartered in Oak Brook, Illinois, specializes in emergency vehicle technologies, focusing on enhancing safety and operational efficiency. The company develops a range of products including modular push bumpers, high-pressure pumps, electronically controlled sirens, and advanced vehicle lighting systems. Their innovations also encompass warning devices and automated activation systems, contributing to facility safety solutions. Federal Signal is committed to providing reliable technologies that support emergency responders and improve public safety.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Federal Signal Corporation USPTO Patent Assignee Logo
164 Patents

#4 in Oak Brook, IL

#149 in Illinois

#2,422 in US

#5,042 in the World

Oak Brook, IL (US)
Oak Brook, IL, United States of America
Forward Citations = 2,590

127 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Federal Signal Corporation. Retrieved from https://idiyas.com/company/federal-signal

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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