Herbert Riegel
21Patents
8h-index
10Co-inventors
72Inventor score
Filing activity: Oct 23, 1968 → Aug 3, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4762956A | Novel catalyst and process for hydrogenation of unsaturated hydrocarbons | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4940687A | Catalyst and process for hydrogenation of unsaturated hydrocarbons | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5722629A | Mounting for an external rear view mirror of commercial vehicles | Performing Operations; Transporting | 11 | Expired |
| US4119705A | Production of chlorine | Chemistry; Metallurgy | 11 | Expired |
| US4351819A | Recovery of chlorine values in integrated process for oxychlorination and combustion of chlorinated hydrocarbons | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4329525A | Production of chlorinated compounds by use of molten salts | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3968050A | Oxidation of molten salts and recovery of chlorine values | Chemistry; Metallurgy | 8 | Expired |
| US3937744A | Vinyl chloride process | Chemistry; Metallurgy | 8 | Expired |
| US4036776A | Recovery of chlorine values from a melt oxidation gas | Chemistry; Metallurgy | 5 | Expired |
| US4558167A | Hydrogen chloride-propylene separation | Chemistry; Metallurgy | 5 | Expired |
| US3935288A | Production of olefinic halides | Performing Operations; Transporting | 3 | Expired |
| US4346069A | Recovery of chlorine values in integrated process for oxychlorination and combustion of chlorinated hydrocarbons | Emerging Cross-Sectional Technologies | 3 | Expired |
| US3980723A | Purging of inerts in chlorinated hydrocarbon production | Performing Operations; Transporting | 3 | Expired |
| US4045504A | Coupling process | Chemistry; Metallurgy | 2 | Expired |
| US4036897A | Production of hexachlorocyclopentadiene | Chemistry; Metallurgy | 1 | Expired |
| US4346047A | Production of phosgene | Chemistry; Metallurgy | 1 | Expired |
| US4231969A | Production of hexachlorocyclopentadiene | Chemistry; Metallurgy | 0 | Expired |
| US4207268A | Oxychlorination of methane | Chemistry; Metallurgy | 0 | Expired |
| US4107222A | Oxychlorination of methane | Performing Operations; Transporting | 0 | Expired |
| US3965202A | Production of trichloro-ethylene from waste C.sub.2 chlorinated hydrocarbons | Emerging Cross-Sectional Technologies | 0 | Expired |
| US3947489A | Coupling process | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.