Alternative Fuel Systems, Inc.

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USPTO Granted Patents = 6

Forward Citations = 225

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10 inventors (with patents filed for the assignee):

Gerhard O Klopp (4 out of 4 patents)

Kazutaka Yokoyama (1 out of 6 patents)

Masayuki Tamura (1 out of 11 patents)

4. Paul Newman (1 out of 1 patent)

5. Dale Ulan (1 out of 1 patent)

6. Ming Zheng (1 out of 1 patent)

7. Edward Mirosh (1 out of 1 patent)

8. Sadanandan N Sirosh (1 out of 3 patents)

9. Hans C Van Oyen (1 out of 1 patent)

10. Hajime Endo (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 6889705 - Electromagnetic valve for regulation of a fuel flow (2005-05-10),

2. 6289881 - Conversion system with electronic controller for utilization of gaseous fuels in spark ignition engines (2001-09-18),

3. 6148613 - Reversing flow catalytic converter for internal combustion engine (2000-11-21),

4. 6145494 - Conversion system with electronic controller for utilization of gaseous (2000-11-14),

5. 5938209 - Seal system for fluid pressure vessels (1999-08-17),

6. 5520161 - Exhaust gas recirculation system for a compression ignition engine and a (1996-05-28),

Company Overview

Alternative Fuel Systems, Inc. specializes in designing and manufacturing advanced fuel systems for alternative energy sources. With a focus on sustainability and efficiency, we provide innovative solutions for a variety of industries, including automotive, marine, and industrial. Our cutting-edge technology and commitment to environmental stewardship set us apart as a leader in the alternative energy sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#176 in Calgary

#2,420 in Canada

Calgary, Canada