Wilhelm Polach
23Patents
13h-index
45Co-inventors
81Inventor score
Filing activity: Mar 24, 1981 → Dec 14, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4466390A | Electro-hydraulic valve control system for internal combustion engine valves | Mechanical Engineering; Lighting; Heating | 56 | Expired |
| US4649703A | Apparatus for removing solid particles from internal combustion engine exhaust gases | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5131371A | Method and arrangement for controlling a self-igniting internal combustion engine | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US4478613A | Apparatus to remove solid particles and aerosols from a gas, especially from the exhaust gas of an internal combustion engine | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4380900A | Apparatus for removing solid components from the exhaust gas of internal combustion engines, in particular soot components | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5070836A | Method and arrangement for controlling the injection of fuel in an internal combustion engine | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4689951A | Device for removing solid particles, particularly soot, from exhaust gas of an internal combustion engine | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5121734A | Internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6333586A | Valve for controlling fluids | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4633837A | Method for controlling fuel injection in internal combustion engines and fuel injection system for performing the method | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4622051A | Arrangement for removing soot particles and other solid particles from exhaust gas of power vehicles | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4693078A | Soot afterburner for motor-vehicle exhaust system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6848251B2 | Device and method for producing a reducing agent air-mixture | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4475524A | Device for admitting exhaust gases and fuel-air mixtures into the cylinders of an internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4690374A | Magnetic valve for fluid control | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5063903A | Method and arrangement for controlling the metering of fuel in an internal combustion engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5053914A | Safety circuit for a high-voltage generator of an electrostatic filter | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4779596A | Device for injecting fuel into combustion chambers of internal combustion engines | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5235949A | Method and arrangement for controlling the fuel metered in a diesel engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6105553A | Method and fuel injection system for operating in internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5131358A | Device for stopping an internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6098596A | Process for operating an internal combustion engine and a fuel injection system for carrying out the process | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6192854A | Device for measuring the mass of a flowing medium | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.