Markus Keller
30Patents
6h-index
83Co-inventors
72Inventor score
Filing activity: Nov 20, 1991 → Nov 11, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD344871S | Pizza oven | General | 29 | Expired |
| US6994068B2 | Antivibration device | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7752785B2 | License plate holder for a motor vehicle | Performing Operations; Transporting | 12 | Active |
| US6910550B2 | Muffler arrangement for an internal combustion engine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6799373B2 | Portable work apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7806107B2 | Hand-held power tool | Emerging Cross-Sectional Technologies | 7 | Active |
| US6259050A | Burn-off contact arrangement | Electricity | 6 | Expired |
| US7059439B2 | Exhaust gas arrangement for a motor vehicle | Performing Operations; Transporting | 6 | Expired |
| US5835362A | Current conductor arrangement | Electricity | 5 | Expired |
| US8426760B2 | High-voltage circuit breaker having a switch for connection of a closing resistor | Electricity | 5 | Active |
| US7234431B2 | Starter device for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8552297B2 | Insulation spacer for a gas insulated device and method of producing same | Emerging Cross-Sectional Technologies | 3 | Active |
| US10676140B2 | Rear diffusor unit with a flow-directing sealing element | Emerging Cross-Sectional Technologies | 3 | Active |
| US10315595B2 | Front end module | Performing Operations; Transporting | 2 | Active |
| US5473260A | Method and circuit arrangement for measuring the depletion layer temperature of a GTO thyristor | Physics | 2 | Expired |
| US9472926B2 | Gas-insulated switchgear arrangement | Electricity | 2 | Active |
| US7891581B2 | Positioning device for a cover of a headlight cleaning system | Performing Operations; Transporting | 2 | Active |
| US7849621B2 | Fastening device for an accessory | Emerging Cross-Sectional Technologies | 1 | Active |
| US9376087B2 | Front module of a motor vehicle | Performing Operations; Transporting | 1 | Active |
| US10596897B2 | Multi-part air duct for a motor vehicle and motor vehicle having an air duct of this type | Performing Operations; Transporting | 1 | Active |
| US7147051B2 | Cooling element | Electricity | 1 | Expired |
| US7514635B2 | Shaft, method for producing it and device for carrying out the method | Electricity | 1 | Expired |
| US6291261A | Method and device for processing a flat workpiece, especially a semiconductor wafer | Electricity | 1 | Expired |
| US10183572B2 | Front end arrangement of a motor vehicle | Performing Operations; Transporting | 0 | Active |
| US12011923B2 | System and method for generating pre-fire pulses during a printing pause | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.