Asea Aktiebolag
421Patents
0Active
421Granted
41Portfolio score
Filing activity: Aug 12, 1971 → Jul 30, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4815006A | Method and device for calibrating a sensor on an industrial robot | Performing Operations; Transporting | 133 | Expired |
| US4559491A | Method and device for locating a fault point on a three-phase power transmission line | Electricity | 76 | Expired |
| US4806806A | Coil for arrangement in slots in a stator or rotor of an electrical machine | Emerging Cross-Sectional Technologies | 74 | Expired |
| US4409476A | Fiber optic temperature-measuring apparatus | Physics | 62 | Expired |
| US4287459A | Method for generating a pattern by means of an industrial robot and industrial robot for carrying out the method | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4281245A | Fiber optical measurement apparatus | Physics | 57 | Expired |
| US4800509A | Detection of high resistance faults in electrical power supply network | Physics | 55 | Expired |
| US4941087A | System for bumpless changeover between active units and backup units by establishing rollback points and logging write and read operations | Physics | 54 | Expired |
| US4797805A | Fault location in a power supply network | Physics | 53 | Expired |
| US4282555A | Overvoltage protection means for protecting low power semiconductor components | Electricity | 52 | Expired |
| US4224634A | Externally controlled semiconductor devices with integral thyristor and bridging FET components | Electricity | 52 | Expired |
| US4278349A | Fiber optical temperature sensors | Physics | 51 | Expired |
| US4577826A | Stand structure for supporting electric high voltage equipment | Electricity | 50 | Expired |
| US4888708A | Control system for an industrial robot | Physics | 50 | Expired |
| US4345482A | Fiber optical devices for measuring physical phenomenon | Physics | 49 | Expired |
| US4506554A | Magnetoelastic torque transducer | Physics | 48 | Expired |
| US4644154A | Fiber-optic luminescence measuring system for measuring light transmission in an optic sensor | Physics | 48 | Expired |
| US4652963A | Series capacitor equipment | Electricity | 45 | Expired |
| USD300935S | Industrial robot | General | 44 | Expired |
| US4111024A | Pressing tool structure for sheet metal forming | Performing Operations; Transporting | 44 | Expired |
| US4249076A | Optical measuring device using optical fibers | Physics | 44 | Expired |
| US4351011A | Directional wave detector apparatus | Electricity | 43 | Expired |
| US4563644A | Device for detecting metallic objects in a flow of non-metallic material | Physics | 43 | Expired |
| US4655676A | Robot installation | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4376890A | Fiber-optic temperature-measuring apparatus | Physics | 42 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.