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For the Inventor, By the Inventor

Winona, MN, United States of America

Peerless Chain Company


USPTO Granted Patents = 22

% Expired Patents = 27.3



Trademarks = 14

Forward Citations = 107

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12 inventors (with patents filed for the assignee):

goldMedal John J McCauley (12 out of 13 patents)

silverMedal Robert D Jensen (5 out of 6 patents)

bronzeMedal Lester O Stener (4 out of 55 patents)

4.  Richard A George (4 out of 4 patents)

5.  Kenton G Scott (3 out of 3 patents)

6.  David J Blankenship (3 out of 3 patents)

7.  Steven E Czaplewski (2 out of 2 patents)

8.  Matthew Fitzgerald (1 out of 1 patent)

9.  Glenn Agrimson (1 out of 1 patent)

10.  Robert D Jenson (1 out of 1 patent)

11.  Eric J Pawlowski (1 out of 2 patents)

12.  Lester N Schrock (1 out of 1 patent)

13.  Gary Michael Scott (37 patents)

14.  John J Mccauley (0 patent)


22 patents:

1. 12420696 - Load binder apparatus and method of using (2025-09-23),
2. 11787328 - Load binder apparatus and method of using (2023-10-17),
3. 10688682 - Debarking chain having bent links (2020-06-23),
4. 10099401 - Debarking chain with passing links (2018-10-16),
5. 9102075 - Debarking chain with passing links (2015-08-11),
6. RE45255 - Self-tightening snow chain and methods of use (2014-11-24),
7. 8578694 - Connector link method and apparatus (2013-11-12),
8. 8322389 - Self-tightening snow chain and methods of use (2012-12-04),
9. 8210217 - Debarking chain with passing links (2012-07-03),
10. 7963306 - Self-tightening snow chain and methods of use (2011-06-21),
11. 7900670 - Self-tightening traction assembly having tensioning device (2011-03-08),
12. 7900430 - Quick connect coupling link (2011-03-08),
13. 7878227 - Debarking chain with passing links (2011-02-01),
14. 7607401 - Load bearing device including overload indicator (2009-10-27),
15. 7316169 - Load bearing device including overload indicator (2008-01-08),
Company Overview
Peerless Chain Company, headquartered in Winona, MN, specializes in the design and manufacture of high-quality chain products and related components. The company serves a diverse range of industries, including material handling, agriculture, and construction, providing solutions that enhance operational efficiency and safety. With a commitment to innovation, Peerless Chain focuses on developing durable and reliable products that meet the evolving needs of its customers, leveraging advanced manufacturing techniques and industry expertise.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

22 Patents

#1 in Winona, MN

#448 in Minnesota

#15,021 in US

#28,749 in the World

Winona, MN (US)
Winona, MN, United States of America

Peerless Chain Company

Forward Citations = 107

12 inventors:

goldMedal John J McCauley (12 out of 13 patents)

silverMedal Robert D Jensen (5 out of 6 patents)

bronzeMedal Lester O Stener (4 out of 55 patents)

4.  Richard A George (4 out of 4 patents)

5.  Kenton G Scott (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Peerless Chain Company. Retrieved from https://idiyas.com/company/peerless-chain-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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