Walter Heil
6Patents
4h-index
4Co-inventors
46Inventor score
Filing activity: Jan 12, 1976 → Jun 16, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4123270A | Method of making electrophotographic imaging element | Physics | 45 | Expired |
| US4328763A | Vaporizer for vacuum deposition installations | Chemistry; Metallurgy | 12 | Expired |
| US4219183A | Operating mechanism for valves, gates and the like | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4061871A | Electron gun for heating, melting and vaporizing purposes, with deflection systems | Electricity | 4 | Expired |
| US5273636A | Coating apparatus | Chemistry; Metallurgy | 3 | Expired |
| US4034256A | Electron gun for heating, fusing and vaporizing | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.