Michael Friedrich
28Patents
4h-index
30Co-inventors
63Inventor score
Filing activity: May 24, 1994 → Oct 26, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5950365A | Motor-driven window lifter with electronic entrapment protection for a motor vehicle | Fixed Constructions | 22 | Expired |
| US5504425A | Inductive sensor responsive to the distance to a conductive or magnetizable object | Physics | 13 | Expired |
| USD585113S1 | Tub faucet and sprayer combination | General | 7 | Expired |
| US8083491B2 | Wind turbine blade | Emerging Cross-Sectional Technologies | 7 | Active |
| US7748547B2 | Movable independent crane system used temporarily for moving or replacing components and mounting wind generators | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9732730B2 | Partial pitch wind turbine with floating foundation | Emerging Cross-Sectional Technologies | 3 | Active |
| US8087889B2 | Wind turbine blade with deflectable flaps | Emerging Cross-Sectional Technologies | 2 | Active |
| US8803349B2 | Wind turbine and associated control method | Emerging Cross-Sectional Technologies | 2 | Active |
| US9127644B2 | Wind turbine and an associated control method | Emerging Cross-Sectional Technologies | 2 | Active |
| US9284948B2 | Wind turbine blade | Emerging Cross-Sectional Technologies | 2 | Active |
| US8087888B2 | Wind turbine blade with cambering flaps | Emerging Cross-Sectional Technologies | 1 | Active |
| US9133824B2 | Wind turbine and an associated yaw control method | Emerging Cross-Sectional Technologies | 1 | Active |
| US8915714B2 | Wind turbine and wind turbine blade | Emerging Cross-Sectional Technologies | 1 | Active |
| US7232542B2 | Preheating cold blast air of a blast furnace for tempering the hot blast temperature | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11642957B2 | Control unit and method for operating a hybrid drive with a dual clutch transmission | Emerging Cross-Sectional Technologies | 1 | Active |
| US9234502B2 | Wind turbine and associated control method | Emerging Cross-Sectional Technologies | 1 | Active |
| US10734996B2 | Sensor apparatus for detecting a target object and a method for operating a sensor apparatus for detecting a target object | Physics | 0 | Active |
| US12415495B2 | Method for detecting a brake pedal actuation of a brake pedal by a driver during an initialisation of an actuator and method for initialising an actuator of a brake system | Physics | 0 | Active |
| US11397123B2 | Engine with valve device and test method | Physics | 0 | Active |
| US10329198B2 | Roofing tile and method for producing such a roofing tile | Chemistry; Metallurgy | 0 | Active |
| US12344231B2 | Control device and method for operating a hybrid drive | Emerging Cross-Sectional Technologies | 0 | Active |
| US10619490B2 | Turbine rotor blade arrangement for a gas turbine and method for the provision of sealing air in a turbine rotor blade arrangement | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12055104B2 | Control unit and method for operating a hybrid drive | Emerging Cross-Sectional Technologies | 0 | Active |
| US11130710B2 | Roofing tile and method for producing such a roofing tile | Chemistry; Metallurgy | 0 | Active |
| US11560139B2 | Pulse start method for an internal combustion engine of a hybrid vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.