Ejnar Truelsen

This inventor holds 57 USPTO granted patents and 5 published patent applications and 6 EPO patents, primarily in Footwear Design (CPC class A43B). Top assignees: Ecco Sko A/s, A/s Eccolet Sko. Active years: 1992-2024.

USPTO Granted Patents = 57 (Patent Applications = 5)

% Patents Active = 100.0

EPO Patents = 6 (Patent Applications = 1)

Average Co-Inventor Count = 1.1

ph-index = 29

Forward Citations = 1,866(Granted Patents)

Forward Citations (Not Self Cited) = 1,799(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tender, DK (2011)
Toender, DK (2014)
Tønder, DK (2005 - 2021)
Tonder, DK (1992 - 2024)
Bredebro, DK (2024)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1992-2024

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Areas of Expertise:

Footwear

Sole

Midsole

Shoe Upper

Cup-Shaped Shank

Multi-Density Sole

Heeled Shoes

Running Shoe

Shoe Design

Footwear Manufacturing

Shoe Construction

Footwear Innovation

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12127625 - Article of footwear (2024-10-29),

2. 12075878 - Article of footwear (2024-09-03),

3. 12070101 - Article of footwear (2024-08-27),

4. D1021362 - Footwear (2024-04-09),

5. D997506 - Footwear (2023-09-05),

6. D995074 - Footwear (2023-08-15),

7. D943879 - Sole (2022-02-22),

8. D943878 - Sole (2022-02-22),

9. D933342 - Footwear (2021-10-19),

10. 11089836 - Cup-shaped shank for heeled shoes (2021-08-17),

11. 10966483 - Midsole for a shoe, in particular a running shoe (2021-04-06),

12. D864529 - Footwear (2019-10-29),

13. D858055 - Sole for footwear (2019-09-03),

14. 10231515 - Cup-shaped shank for heeled shoes (2019-03-19),

15. 10165821 - Sole for a shoe, in particular for a running shoe (2019-01-01),

Title: Ejnar Truelsen: Pioneering Danish Inventor

Introduction: Ejnar Truelsen, a distinguished inventor hailing from Tonder, Denmark, has made significant contributions to the field of innovation with his groundbreaking creations.

Latest Patents: Ejnar Truelsen's most recent patents include advancements in renewable energy technologies and sustainable agricultural practices, showcasing his commitment to environmental conservation.

Career Highlights: Throughout his illustrious career, Ejnar Truelsen has been recognized for his innovative spirit and problem-solving abilities, leading to the development of cutting-edge solutions in various industries.

Collaborations: Ejnar Truelsen has collaborated with leading research institutions and universities to further his inventions, fostering a culture of knowledge-sharing and continuous learning in the innovation community.

Conclusion: Ejnar Truelsen's passion for pushing the boundaries of traditional thinking and his dedication to creating a better future through innovation solidify his legacy as a pioneering inventor in Denmark and beyond.