Demag A.G.
15Patents
0Active
15Granted
32Portfolio score
Filing activity: Oct 1, 1974 → Nov 9, 1978
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4098036A | Elevated train station | Performing Operations; Transporting | 11 | Expired |
| US4002125A | Monorail support | Fixed Constructions | 6 | Expired |
| US4227636A | Supporting roller stand for steel slab strand casting plants, particularly for curved slab strand casting plants | Performing Operations; Transporting | 6 | Expired |
| US4221171A | Direction shift control for connected vehicle undercarriages | Performing Operations; Transporting | 4 | Expired |
| US4113468A | Continuous smelting method | Chemistry; Metallurgy | 4 | Expired |
| US4098603A | Method for melting steel | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4124152A | Truck for transfer tanks in metal plants, particularly for steel strand casting plants | Performing Operations; Transporting | 3 | Expired |
| US4134148A | Electrical control and service unit | Electricity | 3 | Expired |
| US3942453A | Railway car mixer for the transport of molten metals | Chemistry; Metallurgy | 3 | Expired |
| US4121702A | Emergency brake for rail cars | Performing Operations; Transporting | 3 | Expired |
| US4109904A | Passenger slide | Fixed Constructions | 3 | Expired |
| US4122777A | Railway maintenance car | Performing Operations; Transporting | 2 | Expired |
| US4099960A | Method of smelting metallic material, particularly iron sponge | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4219694A | Insulated mounting for live rails | Performing Operations; Transporting | 2 | Expired |
| US4023610A | Strand support method | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.