Alfred Kratt
18Patents
10h-index
30Co-inventors
72Inventor score
Filing activity: Oct 19, 1981 → Jan 18, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5048482A | Device for controlling an operating characteristic of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US4441471A | Apparatus for regulating the idling rpm of internal combustion engines | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5275143A | Method for reducing the fuel supply for one engine cylinder | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4494517A | Method and apparatus for controlling at least one throttle cross section in a control line | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4580220A | Failsafe emergency operation device for idling operation in motor vehicles | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4705007A | Method of controlling tank venting in an internal combustion engine and apparatus therefor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5388558A | Method and arrangement for checking the operability of a fluid-flow conducting conduit system of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4669301A | Method for measuring the flow rate of a medium flowing through a pipe and apparatus therefor | Physics | 13 | Expired |
| US4513711A | Apparatus for regulating the idling speed of internal combustion engines | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4721281A | Actuating device for throttle valve | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5327780A | Method and arrangement for monitoring the operability of a heater of an oxygen measuring probe | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4572125A | Method of and device for regulating rotary speed of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5353644A | Method and system for evaluating a signal from a vibrationally-sensitive pressure sensor in a motor vehicle | Physics | 4 | Expired |
| US5797375A | Method of detecting and documenting exhaust-gas relevant malfunctions of a vehicle | Physics | 2 | Expired |
| US5150698A | Method and arrangement for adjusting fuel for emergency operation | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5385128A | Method and device for limiting vehicle speed | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8560212B2 | Method and device for operating a gas injection system of a gas fuel and a liquid fuel operated internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US5727526A | Device and method for determining a load signal in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.