Werner Grunwald
26Patents
13h-index
31Co-inventors
77Inventor score
Filing activity: Mar 18, 1981 → May 16, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4932588A | Method of controlling heating and/or air conditioning installation in motor vehicles | Performing Operations; Transporting | 59 | Expired |
| US4517630A | Motor vehicle headlight with condensing lens and diaphragm | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US4627405A | Apparatus for injecting fuel into combustion chambers | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4587840A | Pressure sensor for installation in a wall element subjected to pressure of a fluid medium, such as a hydraulic pressure line, e.g. in diesel fuel injection systems | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4522671A | Method of applying an electrical conductor pattern on an apertured substrate | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4572146A | Device for injecting fuel in combustion chambers | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4917293A | Heating and/or air conditioning apparatus for motor vehicles | Performing Operations; Transporting | 22 | Expired |
| US5009708A | Printing paste and method of applying said paste | Electricity | 21 | Expired |
| US4560463A | Gas sensor, particularly oxygen sensor exposed to combustion exhaust gases | Physics | 20 | Expired |
| US4752855A | Capacitative-type humidity sensing element and system, and method of manufacture | Physics | 19 | Expired |
| US4620516A | Apparatus for injecting fuel into combustion chambers of internal combustion engines, in particular self-igniting internal combustion engines | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4692657A | Spark plug for an otto-type internal combustion engine | Electricity | 15 | Expired |
| US4939409A | Spark plug with a surface discharge section | Electricity | 15 | Expired |
| US5098549A | Sensor element for limiting current sensors for determining the .lambda. value of gas mixtures | Physics | 13 | Expired |
| US4603667A | Device for fuel injection in combustion chambers | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5310472A | Sensor element for limiting current sensors to determine the lambda value of gas mixtures | Physics | 11 | Expired |
| US4793175A | Humidity sensor, sensor material, method of manufacture and humidity sensing system, especially for automotive use | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5010315A | Thermal radiation sensor | Physics | 8 | Expired |
| US4494401A | Pressure sensor for the combustion chamber of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4527427A | Device for determining the flow rate of a flowing medium | Physics | 6 | Expired |
| US4604975A | Apparatus for injecting fuel into a secondary flow of combustion air from a combustion chamber | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4475491A | Wide-gap ignition distributor | Electricity | 4 | Expired |
| US4485129A | Method of through-contacting a circuit board | Electricity | 3 | Expired |
| US4770541A | Heat radiation sensing device | Physics | 3 | Expired |
| US4393282A | Electrode for ignition systems | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.