Ralf Schaefer
15Patents
4h-index
24Co-inventors
56Inventor score
Filing activity: Apr 16, 1999 → Feb 9, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7656982B2 | DSP-based data recovery | Physics | 16 | Expired |
| US7576576B2 | Switchable PLL circuit | Electricity | 15 | Active |
| USD566714S1 | Cartridge for camera | General | 11 | Expired |
| US7293101B1 | Method for determining access time of repeatedly broadcast objects | Electricity | 7 | Expired |
| US7627762B2 | Signing and authentication devices and processes and corresponding products, notably for DVB/MPEG MHP digital streams | Electricity | 4 | Expired |
| US7895619B2 | Method for controlling display of audio-visual programmes, and receiver for displaying same | Electricity | 2 | Expired |
| US7971224B2 | Interactive television reception and transmitting processes and associated devices | Electricity | 2 | Expired |
| US7183712B2 | Lamp for a vehicle headlight with low-beam function | Electricity | 2 | Expired |
| US6798138B2 | Halogen incandescent lamp for motor vehicles | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8015588B2 | Method of managing auxiliary programs and a corresponding receiver and system | Electricity | 1 | Active |
| US7279658B2 | Device for cleaning the gas nozzle of a welding torch | Performing Operations; Transporting | 1 | Expired |
| US7770187B2 | Applications manager with variable management instruction set | Physics | 1 | Active |
| US9192936B2 | Method and device for crushing and drying moisture-containing material, especially wood | Performing Operations; Transporting | 0 | Active |
| US7774800B2 | Applications manager with variable management instruction set | Physics | 0 | Active |
| US9386344B2 | Method of transmitting digital services over a network and device implementing the method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.