HPEV, Inc.
6Patents
6Active
6Granted
45Portfolio score
Filing activity: Apr 3, 2009 → Dec 18, 2014 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8283818B2 | Electric motor with heat pipes | Electricity | 8 | Active |
| US8148858B2 | Totally enclosed heat pipe cooled motor | Electricity | 5 | Active |
| US8198770B2 | Heat pipe bearing cooler systems and methods | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9543809B2 | Radial vent composite heat pipe | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8134260B2 | Electric motor with heat pipes | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9618068B2 | Heat pipe cooled wet rotating disc engagement systems | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.