Helmut Wulz
7Patents
5h-index
5Co-inventors
56Inventor score
Filing activity: Nov 8, 1974 → Aug 16, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4001544A | Apparatus for fixing electrophotographic images | Physics | 19 | Expired |
| US4418449A | Slide fastener | Emerging Cross-Sectional Technologies | 18 | Expired |
| US3980863A | Electrophotographic copying machines | Physics | 12 | Expired |
| US4297770A | Slide fastener and method of making same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7048206B2 | Swirl pressure nozzle | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4290176A | Slide fastener and method of making same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3980294A | Photocopying machines | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.