Peter Schardt
43Patents
16h-index
33Co-inventors
81Inventor score
Filing activity: Nov 5, 1984 → Sep 3, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6339635B1 | X-ray tube | Electricity | 134 | Expired |
| US5841831A | X-ray computed tomography apparatus | Human Necessities | 73 | Expired |
| US5689541A | X-ray tube wherein damage to the radiation exit window due to back-scattered electrons is avoided | Electricity | 63 | Expired |
| US5812632A | X-ray tube with variable focus | Electricity | 58 | Expired |
| US6292538A | X-ray tube with flying focus | Electricity | 38 | Expired |
| US5822395A | X-ray apparatus having an x-ray tube with vario-focus | Electricity | 37 | Expired |
| US6396901B1 | X-ray emitter with force-cooled rotating anode | Electricity | 31 | Expired |
| US5940469A | Multi-chromatic x-ray source | Electricity | 27 | Expired |
| US6181771A | X-ray source with selectable focal spot size | Electricity | 26 | Expired |
| US6141400A | X-ray source which emits fluorescent X-rays | Electricity | 26 | Expired |
| US6178226A | Method for controlling the electron current in an x-ray tube, and x-ray system operating according to the method | Electricity | 25 | Expired |
| US7286645B2 | X-ray device that emits an x-ray beam with a scanning-like movement | Physics | 24 | Expired |
| US6084942A | Rotating bulb x-ray radiator with non-pumped coolant circulation | Electricity | 19 | Expired |
| US4603998A | Shaft connection mechanism | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6412979B1 | Computed tomography system with arrangement for cooling the x-ray radiator mounted on a rotating gantry | Human Necessities | 16 | Expired |
| US6709156B1 | Cooling device and computed tomography apparatus employing same | Electricity | 16 | Expired |
| US6115453A | Direct-Heated flats emitter for emitting an electron beam | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6426997B1 | X-ray tube with warning device for accurately indicating impending failure of the thermionic emitter | Electricity | 15 | Expired |
| US5883936A | Rotating x-ray tube | Electricity | 14 | Expired |
| US6009141A | X-ray computed tomography apparatus with electronic scanning of a ring-shaped anode | Physics | 13 | Expired |
| US6426998B1 | X-ray radiator with rotating bulb tube with exteriorly profiled anode to improve cooling | Electricity | 13 | Expired |
| US7435965B2 | X-ray detector and method for production of x-ray images with spectral resolution | Physics | 12 | Expired |
| US4617003A | Adjustable friction clutch assembly | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6164820A | X-ray examination system particulary for computed tomography and mammography | Electricity | 11 | Expired |
| US7187753B2 | Monochromator for an X-ray radiator allowing modification of the X-ray spectral composition | Human Necessities | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.