Helmut Ernst
4Patents
2h-index
13Co-inventors
41Inventor score
Filing activity: Oct 18, 1976 → Aug 1, 1986
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4680009A | Apparatus for removing oversize from the hot material discharged from a rotary kiln used to produce sponge iron by a direct reduction of iron oxide containing materials | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4765017A | Wiping device for wiping cover plates of headlights of motor vehicles | Performing Operations; Transporting | 4 | Expired |
| US4451232A | Nozzle block for rotary kilns | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4126411A | Round cooler for hot bulk material | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.