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Helsingborg, Sweden

Tretorn Ab

USPTO Granted Patents = 24

Trademarks = 7

Forward Citations = 2,641

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17 inventors (with patents filed for the assignee):

Reinhold Sussmann (4 out of 50 patents)

Barry Hallenbeck (4 out of 5 patents)

Martyn R Shorten (3 out of 9 patents)

4. Christoph Berger (2 out of 11 patents)

5. Udo Flemming (2 out of 9 patents)

6. Ralph DeFusco (2 out of 2 patents)

7. William R Peterson (2 out of 2 patents)

8. Reiner Seiz (2 out of 2 patents)

9. Rudolf Hieblinger (1 out of 2 patents)

10. Kenneth W Misevich (1 out of 17 patents)

11. Rob R McGregor (1 out of 10 patents)

12. Hans Woitschaetzke (1 out of 1 patent)

13. Theo Hofmann (1 out of 1 patent)

14. Mamoru Nishida (1 out of 1 patent)

15. Martin Gansler (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 5425185 - Shoe with a side mounted central rotary closure (1995-06-20),

2. 5381609 - Shoe with central closure (1995-01-17),

3. 5381607 - Stabilized honeycomb shoe sole, particularly for athletic shoes (1995-01-17),

4. 5361518 - Sport shoe with an outsole with holding inserts for holding gripping (1994-11-08),

5. 5355596 - Shoe with a central closure (1994-10-18),

6. 5345638 - Process for producing a shoe-shaped part from a web of material and (1994-09-13),

7. 5341583 - Sport or leisure shoe with a central closure (1994-08-30),

8. 5327662 - Shoe, especially an athletic, leisure or rehabilitation shoe having a (1994-07-12),

9. 5325613 - Shoe with a central closure (1994-07-05),

10. D347910 - Golf glove (1994-06-14),

11. 5319868 - Shoe, especially an athletic, leisure or rehabilitation shoe having a (1994-06-14),

12. D342149 - Lateral shoe decoration (1993-12-14),

13. 5251335 - Golf glove (1993-10-12),

14. 5201125 - Shoe, especially a sport or rehabilitation shoe (1993-04-13),

15. 5197207 - Shoe, especially a sport or rehabilitation shoe (1993-03-30),

Tretorn Ab, headquartered in Helsingborg, Sweden, specializes in the design and manufacture of high-quality footwear and apparel, particularly known for its rubber boots and tennis products. The company emphasizes sustainability in its production processes, integrating eco-friendly materials and practices into its offerings. Tretorn's commitment to innovation and performance has established it as a notable player in the outdoor and sportswear markets, catering to consumers who value both functionality and environmental responsibility.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

24 Patents

#3 in Helsingborg

#280 in Sweden

#26,595 in the World

Helsingborg, Sweden

Tretorn Ab

Forward Citations = 2,641

17 inventors:

Reinhold Sussmann (4 out of 50 patents)

Barry Hallenbeck (4 out of 5 patents)

Martyn R Shorten (3 out of 9 patents)

4. Christoph Berger (2 out of 11 patents)

5. Udo Flemming (2 out of 9 patents)

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