Elk Grove Village, IL, United States of America

The Hedman Company


USPTO Granted Patents = 12

% Expired Patents = 25.0


Forward Citations = 48

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16 inventors (with patents filed for the assignee):

goldMedal Richard J Abramson (5 out of 7 patents)

silverMedal John Kosla (2 out of 2 patents)

bronzeMedal John S Schubert (2 out of 9 patents)

4.  Victor L Salmons (2 out of 2 patents)

5.  Ronald F Wochinski (2 out of 3 patents)

6.  Kenneth St John (1 out of 1 patent)

7.  Rudolph Retzl (1 out of 1 patent)

8.  Rudolf Retzl (1 out of 1 patent)

9.  John Kreidich (1 out of 1 patent)

10.  Carroll B McGaughey, Jr (1 out of 1 patent)

11.  Kenneth M Hattori (1 out of 15 patents)

12.  Kieron Hiuhon Tse (1 out of 1 patent)

13.  Jason Grochowski (1 out of 1 patent)

14.  Arnold N Wagers (1 out of 1 patent)

15.  John Kriedich (1 out of 1 patent)


12 patents:

Company Overview
The Hedman Company, based in Elk Grove Village, Illinois, specializes in the design and manufacturing of high-performance exhaust systems and components for automotive applications. With a focus on innovation, the company serves a diverse clientele, including both aftermarket and original equipment manufacturers. Hedman is recognized for its commitment to quality and performance, leveraging advanced engineering techniques to enhance vehicle efficiency and power. The company's expertise extends across various automotive sectors, contributing to the evolution of exhaust technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#25 in Elk Grove Village, IL

#1,255 in Illinois

#25,557 in US

#48,163 in the World

Elk Grove Village, IL (US)
Elk Grove Village, IL, United States of America
Forward Citations = 48

16 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Hedman Company. Retrieved from https://idiyas.com/company/hedman-company

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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