For the Inventor, By the Inventor

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Gaithersburg, MD, United States of America

Trisport Limited

USPTO Granted Patents = 21

% Expired Patents = 14.3

CIPO Patents = 5

Trademarks = 4

Forward Citations = 539

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8 inventors (with patents filed for the assignee):

Paul Andrew Kelly (14 out of 15 patents)

David Roy Collins (5 out of 5 patents)

Lee Paul Shuttleworth (4 out of 18 patents)

4. Roy S Collins (3 out of 7 patents)

5. Stephen Keith Clark (1 out of 1 patent)

6. Joseph J Ferreira (1 out of 2 patents)

7. William H Parry (1 out of 1 patent)

8. Andrew Calloway (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 7946062 - Studded footwear (2011-05-24),

2. 7726043 - Studded footwear (2010-06-01),

3. 7559160 - Studded footwear (2009-07-14),

4. 7137213 - Studded footwear (2006-11-21),

5. 7107708 - Studded footwear (2006-09-19),

6. 6823613 - Studded footwear (2004-11-30),

7. 6810608 - Shoe cleats (2004-11-02),

8. 6451242 - Compression moulding method (2002-09-17),

9. 6272774 - Shoe cleats (2001-08-14),

10. 6248278 - Compression moulding method (2001-06-19),

11. 6041526 - Ground-gripping elements for shoe soles (2000-03-28),

12. 5974700 - Shoe cleats (1999-11-02),

13. D395542 - Stud for footwear (1998-06-30),

14. D392451 - Stud for footwear (1998-03-24),

15. 5572807 - Composite, wear-resistant stud for sport shoes (1996-11-12),

Trisport Limited, based in Gaithersburg, MD, specializes in the development and manufacturing of innovative sports and fitness equipment. The company focuses on enhancing athletic performance through advanced technology and design, catering to a diverse range of sports enthusiasts. With a commitment to quality and innovation, Trisport Limited engages in research that spans various domains, including biomechanics and material science, to create products that meet the evolving needs of athletes and fitness professionals.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

21 Patents

#19 in Gaithersburg, MD

#206 in Maryland

#15,668 in US

#29,893 in the World

Gaithersburg, MD, United States of America

Trisport Limited

Forward Citations = 539

8 inventors:

Paul Andrew Kelly (14 out of 15 patents)

David Roy Collins (5 out of 5 patents)

Lee Paul Shuttleworth (4 out of 18 patents)

4. Roy S Collins (3 out of 7 patents)

5. Stephen Keith Clark (1 out of 1 patent)

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