John V. Hellmann
5Patents
3h-index
3Co-inventors
50Inventor score
Filing activity: Jun 10, 1981 → Jan 18, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6512347B1 | Battery having an integral cooling system | Emerging Cross-Sectional Technologies | 77 | Expired |
| US4376254A | Annular molded article secured to a shaft | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4382242A | Solenoid operated electrical switch | Electricity | 10 | Expired |
| US8105709B2 | Battery module | Emerging Cross-Sectional Technologies | 0 | Active |
| US10008707B2 | Battery module | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.