% Expired Patents = 45.5

Trademarks = 1

Forward Citations = 147

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8 inventors (with patents filed for the assignee):

Alan G Cocconi (6 out of 8 patents)

Paul F Carosa (4 out of 4 patents)

Wally Ewald Rippel (3 out of 54 patents)

4. David William Sivertsen (2 out of 2 patents)

5. Lon C Cooper (1 out of 3 patents)

6. David L Bogdanchik (1 out of 2 patents)

7. Christopher C Moore (1 out of 1 patent)

8. George R Woody (1 out of 2 patents)

11 patents: Sort by Forward Citations

1. 9443786 - Packaging and cooling method and apparatus for power semiconductor devices (2016-09-13),

2. 8970075 - Liquid cooled electric motor (2015-03-03),

3. 8415904 - Open delta motor drive with integrated recharge (2013-04-09),

4. 8164433 - Detecting faults in a wiring harness (2012-04-24),

5. 7782014 - System and method for battery management (2010-08-24),

6. 6112575 - Method and apparatus for vehicle exhaust gas pollutant mass flow (2000-09-05),

7. 6018224 - Anti-clipping circuit for induction motor drive system (2000-01-25),

8. 5729885 - Method for rotor construction for alternating induction motor (1998-03-24),

9. 5642010 - Rotor construction for alternating current induction motor (1997-06-24),

10. 5355070 - Induction motor drive stability control circuit (1994-10-11),

11. 5341075 - Combined motor drive and battery recharge system (1994-08-23),

Company Overview

AC Propulsion, Inc. is a technology company based in San Dimas, California, specializing in electric vehicle propulsion systems and related technologies. The company is known for its innovative work in electric drive systems, battery management, and energy efficiency solutions, contributing to advancements in sustainable transportation. AC Propulsion focuses on developing high-performance electric powertrains that enhance vehicle efficiency and performance, positioning itself as a key player in the evolving automotive landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#7 in San Dimas, CA

#6,541 in California

#27,514 in US

#51,761 in the World

San Dimas, CA, United States of America

Ac Propulsion, Inc.

Forward Citations = 147

8 inventors:

Alan G Cocconi (6 out of 8 patents)

Paul F Carosa (4 out of 4 patents)

Wally Ewald Rippel (3 out of 54 patents)

4. David William Sivertsen (2 out of 2 patents)

5. Lon C Cooper (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ac Propulsion, Inc.. Retrieved from https://idiyas.com/company/ac-propulsion

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]