Helmut Laufer
56Patents
11h-index
54Co-inventors
81Inventor score
Filing activity: Sep 24, 1974 → May 22, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5131371A | Method and arrangement for controlling a self-igniting internal combustion engine | Mechanical Engineering; Lighting; Heating | 42 | Expired |
| US5070836A | Method and arrangement for controlling the injection of fuel in an internal combustion engine | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4577606A | Pressure valve assembly for fuel injection pumps | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4426981A | Apparatus for detecting the fuel quantity delivered to the combustion chambers of a diesel engine | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4409939A | Fuel injection pump for internal combustion engines | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4530337A | Fuel injection pump | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4628957A | Pressure valve for fuel injection pump | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4463725A | Fuel injection device for internal combustion engines, in particular a pump/nozzle for diesel engines | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US3945360A | RPM Regulator for fuel injection pumps | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4796592A | Fuel injection pump for internal combustion engines | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6737579B1 | Arrangement for the sealed lead-through of a conductor through the wall of a housing | Emerging Cross-Sectional Technologies | 11 | Expired |
| US3946713A | RPM regulator for fuel injection pumps | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4476835A | Method for delaying axial movement of a pump piston in a fuel _injection pump for combustion engines, and fuel injection pump for _completing the process | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5063903A | Method and arrangement for controlling the metering of fuel in an internal combustion engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4548184A | Apparatus for the load-dependent actuation of an adjusting device of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US3970064A | RPM regulator for fuel injection pumps | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5386810A | System and method for controlling a solenoid-valve-controlled fuel-metering device, particularly for a diesel gasoline engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5201297A | Method and apparatus for controlling a high-pressure fuel pumping time in a fuel injection pump | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5273017A | Fuel injection pump for internal combustion engines | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4535742A | Fuel injection pump for internal combustion engines | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4649883A | Fuel injection pump for internal combustion engines | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4180040A | Regulator for a fuel injection pump | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4359994A | Fuel injection pump for internal combustion engines | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5325837A | Fuel injection apparatus for internal combustion engines | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4974564A | Fuel injection pump and method of controlling the same | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.