Fritz Simmat
15Patents
9h-index
26Co-inventors
68Inventor score
Filing activity: Sep 25, 1975 → Dec 21, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4165915A | Light conducting fiber | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5443607A | Process for the production of a homogeneous ream-free body made of quartz glass | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4466700A | Lightweight mirror especially for astronomical purposes | Physics | 22 | Expired |
| US4612023A | Method of manufacturing stria-free, bubble-free and homogeneous quartz-glass plates | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4162908A | Method of producing synthetic quartz glass, apparatus for the practice of the method, and use of the synthetic quartz glass | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4045198A | Method of preparing a foreproduct for the production of an optical lightconductor | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4956059A | Process for the purification of granular silicon dioxide | Chemistry; Metallurgy | 15 | Expired |
| US4676814A | Method for the continuous building of a hollow cylindrical soot body having no internal support | Chemistry; Metallurgy | 14 | Expired |
| US4666495A | Apparatus for manufacturing stria-free, bubble-free and homogeneous quartz-glass plates | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4235615A | Method for the production of semiproduct for the production of light conducting fibers | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4475204A | Method and apparatus for the production of flat, transparent vitreous silica slabs of low bubble content | Chemistry; Metallurgy | 7 | Expired |
| US4102666A | Method of surface crystallizing quartz | Chemistry; Metallurgy | 6 | Expired |
| US4842628A | Method of verifying a porous article made out of glass soot and furnace for carrying out the method | Chemistry; Metallurgy | 6 | Expired |
| USRE30883E | Method of producing synthetic quartz glass | General | 3 | Expired |
| US4377405A | Method for the production of flat, transparent vitreous silica slabs of low bubble content | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.