Walter Teegen
14Patents
9h-index
15Co-inventors
69Inventor score
Filing activity: Mar 10, 1975 → Feb 14, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4674451A | Valve control arrangement for internal combustion engines with reciprocating pistons | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4986246A | Valve for the metered admixture of volatilized fuel to the fuel-air mixture of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US4646976A | Magnetic valve, in particular a fuel quantity control valve | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4856482A | Method of controlling the demagnetization phase of electromagnetic devices, especially of electromagnetic valves of combustion engines | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4690373A | Magnetic valve for fluid control | Electricity | 12 | Expired |
| US5078113A | Reservoir-type fuel injection system | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6679475B2 | Pressure control valve | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5762033A | Injection device for combined injection of fuel and supplementary fluid or liquid | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5671717A | Fuel and auxiliary fluid injection system for an internal combustion engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US3949252A | Vehicle wheel rotation speed measuring system | Performing Operations; Transporting | 9 | Expired |
| US4728273A | Rotary piston compressor | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5438966A | Fuel injection nozzle with additive injection for diesel engines | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4428195A | Rotary vacuum pump | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4229147A | Rotary positive-displacement pump | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.