Caledonia, MI, United States of America

Steffens Enterprises, Inc.


USPTO Granted Patents = 21

% Expired Patents = 9.5

Trademarks = 5

Forward Citations = 514

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11 inventors (with patents filed for the assignee):

goldMedal Charles J Steffens (15 out of 18 patents)

silverMedal Scott P Crossman (6 out of 40 patents)

bronzeMedal Craig Charles Mulder (4 out of 8 patents)

4.  John Kooiker (3 out of 3 patents)

5.  Douglas C Steffens (2 out of 3 patents)

6.  Mark J Heintskill (2 out of 3 patents)

7.  Roger L Erickson (2 out of 2 patents)

8.  James P Sheeran (2 out of 2 patents)

9.  Lynne F Hunter (1 out of 68 patents)

10.  John Michael Arend (1 out of 6 patents)

11.  Chuck J Steffens (1 out of 1 patent)


21 patents:

Company Overview
Steffens Enterprises, Inc. is a Michigan-based company specializing in the development and manufacturing of advanced automotive components and systems. With a focus on innovation, the company engages in research and technology domains that enhance vehicle performance, safety, and efficiency. Their expertise extends to various aspects of automotive engineering, catering to both domestic and international markets. Steffens Enterprises is committed to delivering high-quality solutions that meet the evolving needs of the automotive industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

21 Patents

#3 in Caledonia, MI

#570 in Michigan

#15,695 in US

#29,961 in the World

Caledonia, MI (US)
Caledonia, MI, United States of America
Forward Citations = 514

11 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Steffens Enterprises, Inc.. Retrieved from https://idiyas.com/company/steffens-enterprises

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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