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Caledon, Canada

F. Von Langsdorff Licensing Limited

USPTO Granted Patents = 39

CIPO Patents = 3

EPO Patents = 1

Trademarks = 12

Forward Citations = 744

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11 inventors (with patents filed for the assignee):

Harald Von Langsdorff (20 out of 22 patents)

Michael Schmitz (14 out of 22 patents)

Gunter Barth (5 out of 11 patents)

4. Andreas Drost (4 out of 4 patents)

5. Gunther Barth (3 out of 3 patents)

6. Fritz Von Langsdorff (3 out of 9 patents)

7. Georg Wagner (2 out of 2 patents)

8. Harald Von Langsdorff (2 out of 2 patents)

9. William James (1 out of 1 patent)

10. Fritz Von Lansdorff (1 out of 1 patent)

11. Harold Von Langsdorff (1 out of 1 patent)

12. Andrews Drost (0 patent)

39 patents: Sort by Forward Citations

1. D971444 - Paving stone (2022-11-29),

2. D950106 - Paving stone (2022-04-26),

3. D900340 - Paving stone (2020-10-27),

4. D896997 - Paving stone (2020-09-22),

5. 10767321 - Integrated pavement systems for collecting and recycling de-icing fluid (2020-09-08),

6. 10494770 - Paving element having drainage channels and pavement system incorporating same (2019-12-03),

7. D864420 - Paving stone (2019-10-22),

8. D846156 - Paving stone (2019-04-16),

9. D802166 - Paving stone (2017-11-07),

10. D802165 - Paving stone (2017-11-07),

11. D783862 - Paving stone (2017-04-11),

12. 9540776 - Pollutant sequestering paving system (2017-01-10),

13. D762882 - Paving stone (2016-08-02),

14. D759843 - Paving stone (2016-06-21),

15. D675345 - Paving stone (2013-01-29),

F. von Langsdorff Licensing Limited is a global licensing company specializing in brand licensing and intellectual property management. With a comprehensive portfolio of iconic brands, we work closely with manufacturers and retailers worldwide to develop and execute innovative licensing programs. Our expertise lies in creating partnerships that drive brand visibility, expand market reach, and generate profitable growth. Visit our website to learn more about our licensing solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

39 Patents

#1 in Caledon

#333 in Canada

#16,933 in the World

Caledon, Canada

F. Von Langsdorff Licensing Limited

Forward Citations = 744

11 inventors:

Harald Von Langsdorff (20 out of 22 patents)

Michael Schmitz (14 out of 22 patents)

Gunter Barth (5 out of 11 patents)

4. Andreas Drost (4 out of 4 patents)

5. Gunther Barth (3 out of 3 patents)

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