AC Propulsion, Inc.
11Patents
5Active
11Granted
41Portfolio score
Filing activity: Mar 10, 1993 → Aug 19, 2015 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5341075A | Combined motor drive and battery recharge system | Emerging Cross-Sectional Technologies | 58 | Expired |
| US8970075B2 | Liquid cooled electric motor | Electricity | 25 | Active |
| US5729885A | Method for rotor construction for alternating induction motor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6112575A | Method and apparatus for vehicle exhaust gas pollutant mass flow measurement | Physics | 14 | Expired |
| US5642010A | Rotor construction for alternating current induction motor | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8415904B2 | Open delta motor drive with integrated recharge | Electricity | 10 | Active |
| US7782014B2 | System and method for battery management | Emerging Cross-Sectional Technologies | 9 | Active |
| US5355070A | Induction motor drive stability control circuit | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6018224A | Anti-clipping circuit for induction motor drive system | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9443786B1 | Packaging and cooling method and apparatus for power semiconductor devices | Electricity | 4 | Active |
| US8164433B2 | Detecting faults in a wiring harness | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.