Waldemar Greubel
14Patents
8h-index
11Co-inventors
65Inventor score
Filing activity: Dec 2, 1976 → Nov 8, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4113360A | Indicating device for illustrating symbols of all kinds | Physics | 60 | Expired |
| US5237997A | Method of continuous measurement of blood pressure in humans | Human Necessities | 58 | Expired |
| US4110123A | Apparatus for converting light energy into electrical energy | Electricity | 53 | Expired |
| US4142781A | Electro-optical display device with electro-optical light valves | Physics | 36 | Expired |
| US4257676A | Device for collecting light | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4146790A | Apparatus for converting light energy into heat energy by light concentration by means of fluorescent layers | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4222880A | Arrangement for optical transmission of communications | Electricity | 15 | Expired |
| US4260219A | Device for collecting light and method of manufacturing such device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4240711A | Display device comprising a liquid crystal cell with light valves | Physics | 6 | Expired |
| US4405210A | Display device for displaying light images on a dark background | Physics | 6 | Expired |
| US4264124A | Device for collecting light and method of manufacturing such device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4235527A | Display device comprising a light valve unit in conjunction with the fluorescent plate | Physics | 3 | Expired |
| US4244636A | Display device for the representation of bright images on a dark background and a process for operation of the device | Physics | 2 | Expired |
| US4265516A | Display device with a light valve operated in a time division multiplex method | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.