Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172673 | Injection internal combustion engine with electrical spark ignition | Robertus J. Pelgrim, Cornelis P. Hulshof | 1992-12-22 |
| 4967706 | Internal-combustion engine of the injection type, and plate intended for fitting between the inlet ports of a cylinder block of such an engine and an inlet tube | Gustaaf Louis van Wechem, Gerrit J. Beunk, Juergen Henke, Erwin Spinner, Peter Frueh | 1990-11-06 |
| 4898142 | Combustion engine with fuel injection system, and a spray valve for such an engine | Guus van Wechem, Gerrit J. Beunk, Frits Van Den Elst | 1990-02-06 |
| 4834053 | Internal combustion engine | Gustaaf Louis van Wechem, Benjamin C. W. Dull | 1989-05-30 |
| 4628889 | Device to preheat a fuel mixture | — | 1986-12-16 |
| 4501255 | Diesel fuel filter heater | Wim Jansen, Philips M. Gerson | 1985-02-26 |