Rudolf Hoffmann
11Patents
4h-index
12Co-inventors
57Inventor score
Filing activity: Mar 8, 1976 → May 31, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4564417A | Method of manufacturing an optical coupling device | Physics | 11 | Expired |
| US6826404B2 | Tone signalling with TFO communication links | Electricity | 10 | Expired |
| US4036284A | Continuous casting apparatus for slabs | Performing Operations; Transporting | 7 | Expired |
| US8766251B2 | Functional material for printed electronic components | Electricity | 6 | Active |
| US4067220A | Rolling of billets | Performing Operations; Transporting | 4 | Expired |
| US8367461B2 | Functional material for printed electronic components | Chemistry; Metallurgy | 3 | Active |
| US4488591A | Continuous billet guide stand | Performing Operations; Transporting | 3 | Expired |
| US4561458A | Steam-metering method and apparatus | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9117964B2 | Preparation of semiconductor films | Emerging Cross-Sectional Technologies | 2 | Active |
| US4471487A | Slewing tower for ladles | Performing Operations; Transporting | 2 | Expired |
| US4444341A | Transportation device for continuously supplying molten metal to a continuous casting plant | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.