Bernd Spaeth
6Patents
5h-index
8Co-inventors
56Inventor score
Filing activity: Nov 29, 1979 → Jan 20, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6602308B1 | Air filter | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6306192A | Housing | Performing Operations; Transporting | 46 | Expired |
| US7059481B2 | Filter element | Performing Operations; Transporting | 20 | Expired |
| US4295220A | Clock check circuits using delayed signals | Electricity | 15 | Expired |
| US9435236B2 | Valve for controlling a gas flow, liquid separator, ventilation system and internal combustion engine comprising such a valve | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US6158471A | Mixing device for changing a fluid into another flowing fluid | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.