Michael Wissmann
42Patents
13h-index
37Co-inventors
77Inventor score
Filing activity: May 2, 1978 → Aug 3, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4890690A | Exhaust gas muffler for a two-stroke engine | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4867270A | Exhaust gas muffler for a two-stroke engine | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4999918A | Motor chain saw having a guide bar clamped between the housing and a clamping piece | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4594780A | Brake arrangement for a chain saw | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4672929A | Automatic starting arrangement for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4819779A | Centrifugal clutch | Performing Operations; Transporting | 20 | Expired |
| US4700668A | Method of injecting fuel for two-stroke engine and apparatus therefor | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4936267A | Carburetor for an internal combustion engine | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4567658A | Saw chain tensioning arrangement for a chain saw | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4979477A | Ignition circuit for a two-stroke engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4353385A | Diaphragm pressure regulator | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4709669A | Ignition arrangement for an internal combustion engine of a handheld portable tool | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5419686A | Fuel pump for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5365893A | Fuel-injection arrangement for an internal combustion engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4976246A | Fuel-injection pump arrangement for a two-stroke engine of a handheld portable tool | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4773362A | Automatic starting arrangement for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5209196A | Operating-mode position selector arrangement for internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5197418A | Fuel injection pump for a two-stroke engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4385603A | Apparatus for regulating the idling RPM in an internal combustion engine | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4732327A | Injection valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5353754A | Fuel-injection arrangement for an internal combustion engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4381751A | Fuel injection system | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5447131A | Ignition circuit for an internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4981266A | Injection valve | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4919091A | Ignition switch arrangement for an internal combustion engine having an electrical ignition system | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.