Helmut Grof
7Patents
3h-index
12Co-inventors
50Inventor score
Filing activity: Sep 12, 1974 → Aug 9, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4993690A | Electroslag remelting plant including an ingot mold and a hood | Chemistry; Metallurgy | 5 | Expired |
| US4394765A | Electro-slag remelting furnace for consumable electrodes and having an electrode drive | Performing Operations; Transporting | 5 | Expired |
| US4262159A | Electroslag remelting apparatus with coaxial current paths | Electricity | 4 | Expired |
| US4049039A | Method and apparatus for the production of solid forging blocks with manipulator pins | Performing Operations; Transporting | 1 | Expired |
| US4251678A | Electrical melting apparatus with multiple electrode holding arms | Chemistry; Metallurgy | 1 | Expired |
| US4339624A | Electrode clamping device for electroremelting plants | Electricity | 0 | Expired |
| US3938582A | Arrangement for continuous manufacture of metal ingots in a mold with open bottom | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.