Gerhard Sohner
20Patents
9h-index
30Co-inventors
71Inventor score
Filing activity: Jul 23, 1974 → Mar 8, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4176645A | Motor ignition system control circuit for maintaining energy storage in spark coil constant in wide speed range | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4112890A | Controlled ignition system for an internal combustion engine to provide, selectively, one or more ignition pulses for any ignition event | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US3949722A | Semiconductor controlled ignition systems for internal combustion engines | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4253443A | Internal combustion engine ignition system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4267813A | Ignition system with automatic increase in ignition energy during acceleration | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4531190A | Electronic engine control system with emergency operation mode | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4331122A | Adapter for improving the operation of electrical circuits in a motor vehicle | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4393432A | Safety device for a conducting path in a load device | Electricity | 11 | Expired |
| US4130101A | Transistorized ignition system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4077379A | Internal combustion engine semi-conductor ignition control system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4077377A | Protective circuit for the ignition system of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4217874A | Ignition system using a Wiegand wire | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4195603A | Electronically self-controlled ignition system for internal combustion engines | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4253442A | Ignition system with improved temperature and voltage compensation | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4351310A | Ignition coil with overvoltage protection connected to the secondary winding of the ignition coil | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4185603A | Supply voltage variation compensated ignition system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4928660A | Protective case for combination ignition coil and electronic control | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5107392A | Final ignition stage of a transistorized ignition system | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4167170A | Turn-off protected ignition system for internal combustion engines | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4105006A | Ignition system for internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.