Asea AB
81Patents
0Active
81Granted
37Portfolio score
Filing activity: Jul 10, 1975 → Oct 28, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4668155A | Industrial robot | Emerging Cross-Sectional Technologies | 165 | Expired |
| USD293449S | Industrial robot | General | 42 | Expired |
| US4104576A | Equipment with controlled reactance | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4446100A | Method of manufacturing an object of metallic or ceramic material | Chemistry; Metallurgy | 26 | Expired |
| US4731689A | Directional detection in connection with faults in a power supply network | Electricity | 25 | Expired |
| US4578562A | Method and control system for controlling an industrial robot | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4578745A | Semiconductor valve | Electricity | 21 | Expired |
| USD307415S | Programming and control box for an industrial robot | General | 17 | Expired |
| US4478789A | Method of manufacturing an object of metallic or ceramic material | Chemistry; Metallurgy | 15 | Expired |
| US4471191A | Device for heating fluent material flowing past short-circuited heating elements within induction coils | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4470804A | Scrap material preheating apparatus | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4339271A | Method of manufacturing a sintered powder body | Performing Operations; Transporting | 14 | Expired |
| US4119897A | Static convertor | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4473747A | Semiconductor structure for a fiber optical pressure sensing element | Physics | 12 | Expired |
| US4080139A | Hydraulic press | Performing Operations; Transporting | 11 | Expired |
| US4471335A | Transformer or reactor having a winding formed from sheet material | Electricity | 11 | Expired |
| US4779574A | Power plant with combustion in a fluidized bed | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4403327A | Arc furnace charge-preheating power supply system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4744212A | Method of controlling a PFBC plant in the event of operational disturbance in the gas turbine unit and a PFBC plant with equipment for such control | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4173299A | Electromagnetic valve with slag indicator | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD292981S | Robot | General | 9 | Expired |
| US4618964A | Ladle or tundish | Performing Operations; Transporting | 9 | Expired |
| US4607373A | Control system for a DC arc furnace | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4711111A | Forming press mat utilizes trays formed of thin bottom plates and separate annular frames | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4147966A | Means for digital control | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.