For the Inventor, By the Inventor

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Vancouver, Canada

Bdf IP Holdings Ltd.

USPTO Granted Patents = 12

CIPO Patents = 28

EPO Patents = 11

Forward Citations = 27

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87 inventors (with patents filed for the assignee):

Siyu Ye (4 out of 13 patents)

Shanna Denine Knights (3 out of 16 patents)

Herwig Haas (2 out of 14 patents)

4. Kyoung J Bai (2 out of 7 patents)

5. Sean M MacKinnon (2 out of 5 patents)

6. Alexander Douglas Mossman (1 out of 7 patents)

7. Alan Young (1 out of 4 patents)

8. Scott McDermid (1 out of 8 patents)

9. Nengyou Jia (1 out of 1 patent)

10. David S De Haan (1 out of 2 patents)

11. Christopher J Richards (1 out of 3 patents)

12. Michael P Sexsmith (1 out of 7 patents)

13. Craig R Louie (1 out of 2 patents)

14. Cara N Startek (1 out of 2 patents)

15. Ronald Mah (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 10205173 - Cathode design for electrochemical cells (2019-02-12),

2. 9099704 - Methods of operating fuel cell stacks and systems (2015-08-04),

3. 8168025 - Methods of making components for electrochemical cells (2012-05-01),

4. 8053122 - System and method of starting a fuel cell system (2011-11-08),

5. 7964315 - Shutdown methods and designs for fuel cell stacks (2011-06-21),

6. 7955739 - Shutdown methods and designs for fuel cell stacks (2011-06-07),

7. 7784770 - Method for humidifying a reactant stream for a fuel cell (2010-08-31),

8. 7608358 - Fuel cell anode structure for voltage reversal tolerance (2009-10-27),

9. 7601759 - Water insoluble additive for improving conductivity of an ion exchange membrane (2009-10-13),

10. 7537857 - Reduced degradation of ion-exchange membranes in electrochemical fuel cells (2009-05-26),

11. 7482085 - Apparatus for improving the cold starting capability of an electrochemical fuel cell (2009-01-27),

12. 7429280 - Method for producing a membrane for a fuel cell (2008-09-30),

BDF IP Holdings Ltd. is a global technology company specializing in intellectual property development and management. We provide innovative solutions and services to help businesses protect, monetize, and maximize the value of their intellectual assets. With a team of experts and a robust portfolio of IP offerings, we strive to empower organizations in their intellectual property strategies and enable them to stay ahead in this competitive landscape.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

12 Patents

#70 in Vancouver

#1,200 in Canada

#46,630 in the World

Vancouver, Canada

Bdf IP Holdings Ltd.

Forward Citations = 27

87 inventors:

Siyu Ye (4 out of 13 patents)

Shanna Denine Knights (3 out of 16 patents)

Herwig Haas (2 out of 14 patents)

4. Kyoung J Bai (2 out of 7 patents)

5. Sean M MacKinnon (2 out of 5 patents)

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