Joachim Hellmann
8Patents
6h-index
11Co-inventors
52Inventor score
Filing activity: Jul 31, 1992 → Jul 9, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6054064A | Refrigerant of 1,1-difluoroethylene | Chemistry; Metallurgy | 21 | Expired |
| US5674825A | Difluoromethoxy-2,2,2-trifluoroethane compositions and methods of use | Physics | 8 | Expired |
| US5336429A | Virtually constant boiling point compositions based on isoflurane | Chemistry; Metallurgy | 7 | Expired |
| US5300253A | 1-chloro-2,2,2-trifluoroethyl difluoromethyl ether compositions for removing water from surfaces | Chemistry; Metallurgy | 7 | Expired |
| US5393442A | Compositions containing 1-chloro-2,2,2-trifluoroethyl defluoromethyl ether | Chemistry; Metallurgy | 6 | Expired |
| US5476603A | Compositions comprising chlorine-free, optionally hydrogen-containing fluorocarbons | Performing Operations; Transporting | 6 | Expired |
| US5529618A | Compositions comprising difluoromethoxy-2,2,2-trifluoroethane | Performing Operations; Transporting | 3 | Expired |
| US5888688A | Difluoromethoxy-2, 2, 2-trifluoroethane compositions and methods of use | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.