Stefan Klein
19Patents
4h-index
44Co-inventors
60Inventor score
Filing activity: Oct 24, 1994 → Sep 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6144255A | Feedforward amplification system having mask detection compensation | Electricity | 32 | Expired |
| US6147555A | Amplification system having mask detection | Electricity | 27 | Expired |
| US9062623B2 | Method and diagnostic device for diagnosing a heatable exhaust gas sensor of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US5503599A | Belt tensioning device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6871662B2 | Ventilation and/or pressure-equalizing system for a fuel tank | Emerging Cross-Sectional Technologies | 4 | Expired |
| US11230363B2 | Method for transformation of motor transportation vehicle for ground and air transport, motor transportation vehicle | Performing Operations; Transporting | 2 | Active |
| US8320237B2 | Optimized bandwidth allocation for guaranteed bandwidth services | Electricity | 2 | Active |
| US10981092B2 | Filter device | Performing Operations; Transporting | 2 | Active |
| US8110246B2 | Method for producing a thin-film solar cell by use of microcrystalline silicon and a layer sequence | Emerging Cross-Sectional Technologies | 2 | Active |
| US10937611B2 | Safety switch | Electricity | 1 | Active |
| US8895842B2 | High quality TCO-silicon interface contact structure for high efficiency thin film silicon solar cells | Emerging Cross-Sectional Technologies | 0 | Active |
| US7124747B2 | Arrangement for supplying an internal combustion engine with fuel | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10611459B2 | Central wing panel for a flying vehicle and method of its control | Emerging Cross-Sectional Technologies | 0 | Active |
| US11266928B2 | Filter device | Performing Operations; Transporting | 0 | Active |
| US11795112B2 | 3-D printing of a ceramic component | Chemistry; Metallurgy | 0 | Active |
| US8664522B2 | Method for producing a thin-film solar cell by use of microcrystalline silicon and a layer sequence | Emerging Cross-Sectional Technologies | 0 | Active |
| US9140256B2 | Electric motor | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9815345B2 | Transformation method of hybrid transportation vehicle for ground and air, and hybrid transportation vehicle itself | Emerging Cross-Sectional Technologies | 0 | Active |
| US10777914B2 | Earthing pin for a motor vehicle | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.