Peter Romann
46Patents
14h-index
29Co-inventors
81Inventor score
Filing activity: Oct 4, 1974 → Aug 21, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5038738A | Fuel injection device for internal combustion engines | Mechanical Engineering; Lighting; Heating | 75 | Expired |
| US5275341A | Electromagnetically operated valve | Emerging Cross-Sectional Technologies | 58 | Expired |
| US4984744A | Electromagnetically actuatable valve | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5566920A | Valve needle for an electromagnetically actuable valve and method for manufacturing the valve needle | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US5580001A | Electromagnetically operable valve | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4304128A | Apparatus for measuring the mass of a flowing medium | Physics | 27 | Expired |
| US4813599A | Electromagnetically actuatable fuel injection valve | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US5746376A | Valve and method for the production of a valve | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5193743A | Device for injecting a fuel-gas mixture | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5921473A | Fuel injector having spherical valve-closure member and valve seat | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5335864A | Fuel-injection valve | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4500866A | Electric potentiometer | Electricity | 16 | Expired |
| US4216757A | Electrical control circuit, especially for a fuel supply device of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5584704A | Device for the common electrical contacting of a plurality of electrically excitable aggregates of internal combustion engines | Electricity | 14 | Expired |
| US5850822A | Injection arrangement for an internal combustion engine and method for fuel injection | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4474068A | Flow rate meter | Physics | 12 | Expired |
| US4338814A | Device for measuring the mass of a flowing medium | Physics | 12 | Expired |
| US4252016A | Air flow rate metering instrument | Electricity | 11 | Expired |
| US4416241A | Mixture formation system for mixture-compressing internal combustion engines with externally supplied ignition | Physics | 11 | Expired |
| US4373383A | Device for burnoff of a measuring resistor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4299125A | Air quantity metering apparatus | Physics | 9 | Expired |
| US4450714A | Apparatus for measuring the mass of a flowing medium | Physics | 9 | Expired |
| US5285969A | Electromagnetically operated fuel injection valve | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4779838A | Electromagnetically actuatable fuel injection valve | Electricity | 8 | Expired |
| US4807846A | Electromagnetically actuatable fuel injection valve | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.