Wolfgang Kunkel
8Patents
5h-index
6Co-inventors
52Inventor score
Filing activity: Nov 4, 1977 → Sep 16, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5534149A | Method of separating catalyst-free working solution from the hydrogenation cycle of the anthraquinone method for the production of hydrogen peroxide | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4428923A | Continuous process for the production of hydrogen peroxide according to the anthraquinone process | Performing Operations; Transporting | 21 | Expired |
| US6070657A | Heat exchanger tube for heating boilers | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4206723A | Double-fired heating boiler | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4349526A | Process for the production of hydrogen peroxide | Chemistry; Metallurgy | 10 | Expired |
| US4214627A | Fire tube for a heating boiler | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4147134A | Boiler having a hot gas generator for burning liquid or gaseous fuels | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4759921A | Method of preparing hydrogen peroxide | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.