Ernst Lang
16Patents
8h-index
36Co-inventors
72Inventor score
Filing activity: Jul 7, 1975 → Sep 23, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5197444A | Fuel-supply system and tank assembly for an internal combustion engine | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4363446A | Fuel injection nozzle | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5441439A | Method of finishing a surface of a workpiece | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5711282A | Method for forming a fuel-air mixture and fuel supply device for an internal combustion engine | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4732327A | Injection valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4689734A | High-voltage direct-voltage source | Electricity | 9 | Expired |
| US4296285A | High-voltage, blast-actuated power switch having field electrodes | Electricity | 9 | Expired |
| US5927248A | Method of monitoring an overheating protective arrangement during full-load operation of an internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4981266A | Injection valve | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5116996A | Purification of indigo | Chemistry; Metallurgy | 5 | Expired |
| US4606317A | Fuel injection system | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US3988554A | Gas-blast switch | Electricity | 4 | Expired |
| US4907746A | Injection valve | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4103131A | Puffer interrupter with main and auxiliary pistons and common cylinder | Electricity | 3 | Expired |
| US6958414B2 | Preparation of at least one organic compound by heterogeneously catalyzed partial gas-phase oxidation | Chemistry; Metallurgy | 2 | Expired |
| US5626724A | Recovery of N-ethylpiperazine by distillation | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.