Helmut Lorenz
9Patents
8h-index
14Co-inventors
66Inventor score
Filing activity: Feb 14, 1978 → Mar 7, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4179530A | Process for the deposition of pure semiconductor material | Chemistry; Metallurgy | 350 | Expired |
| US5646852A | Method and device for vehicle fuel cell dynamic power control | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4311545A | Method for the deposition of pure semiconductor material | Chemistry; Metallurgy | 33 | Expired |
| US5780981A | Process for dynamically adjusting the power for a vehicle having a fuel cell | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5794732A | Apparatus and method for starting a fuel cell vehicle | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4173944A | Silverplated vapor deposition chamber | Chemistry; Metallurgy | 17 | Expired |
| US6205035A | Bidirectional DC/DC converter with a step-up mode in one direction and a step-down mode in the other direction | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4454104A | Process for working up the residual gases obtained in the deposition of silicon and in the conversion of silicon tetrachloride | Chemistry; Metallurgy | 12 | Expired |
| US6795755B2 | Method for operating a load-dependent power-generating system in a vehicle | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.