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For the Inventor, By the Inventor

Warren, MI, United States of America

College Park Industries, Inc.

USPTO Granted Patents = 17

% Expired Patents = 17.6


Trademarks = 37

Forward Citations = 344

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29 inventors (with patents filed for the assignee):

goldMedal Christopher L Johnson (8 out of 13 patents)

silverMedal Eric Lloyd Robinson (6 out of 7 patents)

bronzeMedal Aaron Taszreak (5 out of 8 patents)

4.  Michael G Leydet (3 out of 3 patents)

5.  Lars Chrisman (3 out of 4 patents)

6.  Michael Link (3 out of 3 patents)

7.  Kevin L'Heureux (3 out of 3 patents)

8.  Richard H Harrington (2 out of 20 patents)

9.  Jacob Michael Drews (2 out of 2 patents)

10.  Benjamin Edward McDonald (1 out of 14 patents)

11.  Carlos Humberto Martinez-Luna (1 out of 1 patent)

12.  Michael Alfred Delph, Ii (1 out of 1 patent)

13.  Taylor Raven Duckworth (1 out of 1 patent)

14.  Craig Malone Kelly (1 out of 1 patent)

15.  Carlton Winslow King (1 out of 1 patent)


17 patents:

1. 12661242 - Hydraulic prosthetic ankle (2026-06-23),
2. 11478363 - Hydraulic prosthetic knee with resistance change mechanism at hyperextension (2022-10-25),
3. 10869773 - Prosthetic fingertip end effectors (2020-12-22),
4. D782679 - Prosthetic trainer foot (2017-03-28),
5. 9250143 - Multicapacitor force/moment sensor arrays (2016-02-02),
6. 8926711 - Prosthetics using curved dampening cylinders (2015-01-06),
7. 8298293 - Prosthetic sensing systems and methods (2012-10-30),
8. D655009 - Prosthetic foot (2012-02-28),
9. D633618 - Prosthetic foot (2011-03-01),
10. 7862622 - Prosthetic foot with adjustable heel height (2011-01-04),
11. 6872347 - Exoskeletal leg prosthesis and method for alignment (2005-03-29),
12. 6692533 - Exoskeletal leg prosthesis and method for alignment (2004-02-17),
13. 6666895 - Prosthetic limb gasket (2003-12-23),
14. 6238437 - Able-bodied artificial foot phosthesis testing apparatus (2001-05-29),
15. 6129766 - Prosthetic foot assembly having improved resilient cushions and (2000-10-10),
Company Overview
College Park Industries, Inc. is a leading manufacturer specializing in advanced prosthetic solutions. Based in Warren, Michigan, the company focuses on developing innovative products that enhance mobility and improve the quality of life for individuals with limb loss. Their expertise spans various domains, including biomechanics and rehabilitation technology, ensuring that their offerings are both functional and user-friendly. College Park Industries is committed to research and development, continually advancing the field of prosthetics through cutting-edge technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

17 Patents

#19 in Warren, MI

#682 in Michigan

#18,903 in US

#35,948 in the World

Warren, MI (US)
Warren, MI, United States of America

College Park Industries, Inc.

Forward Citations = 344

29 inventors:

goldMedal Christopher L Johnson (8 out of 13 patents)

silverMedal Eric Lloyd Robinson (6 out of 7 patents)

bronzeMedal Aaron Taszreak (5 out of 8 patents)

4.  Michael G Leydet (3 out of 3 patents)

5.  Lars Chrisman (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: College Park Industries, Inc.. Retrieved from https://idiyas.com/company/college-park-industries

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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