Klaus Wittmann
14Patents
2h-index
14Co-inventors
51Inventor score
Filing activity: Aug 23, 1977 → May 4, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9821626B2 | Heating, ventilation and/or air-conditioning apparatus including an air flow channel bypassing a heat exchanger | Performing Operations; Transporting | 6 | Active |
| US8516841B2 | Heating and air conditioning unit for an automotive vehicle | Performing Operations; Transporting | 5 | Active |
| US4179022A | Installation for the production of a multiple row cask of containers | Performing Operations; Transporting | 2 | Expired |
| US7456558B2 | Electric incandescent lamp provided with different pitch factors for each end of a filament component | Electricity | 2 | Active |
| US6879102B2 | Incandescent lamp for motor vehicle headlights | Electricity | 2 | Expired |
| US9803896B2 | Heat conditioning system for a motor vehicle | Performing Operations; Transporting | 1 | Active |
| US7830076B2 | Incandescent halogen lamp | Emerging Cross-Sectional Technologies | 1 | Active |
| US6822392B2 | Incandescent lamp for motor vehicle headlights | Electricity | 1 | Expired |
| US8084928B2 | Halogen incandescent lamp incorporating two filaments for daylight operation | Electricity | 1 | Active |
| US8164240B2 | Anti-dazzle device with a filament | Electricity | 0 | Active |
| US8188658B2 | Two-filament lamp | Electricity | 0 | Active |
| US8212476B2 | Welding aid for a spiral-wound filament | Electricity | 0 | Active |
| US8102109B2 | Lamp featuring an improved pinch geometry | Electricity | 0 | Active |
| US8011798B2 | Halogen incandescent lamp | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.