Rolf Pfeifer
19Patents
7h-index
15Co-inventors
63Inventor score
Filing activity: Jan 22, 1975 → Feb 27, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7722802B2 | Coated powder particles for producing three-dimensional bodies by means of a layer constituting method | Emerging Cross-Sectional Technologies | 59 | Active |
| US7431987B2 | Core-shell particles having non-polar outer surface and methods for producing a three-dimensional object from the particles | Emerging Cross-Sectional Technologies | 50 | Expired |
| US7402330B2 | Polyvinyl butyral granular material for 3-D binder printing, production method and uses therefor | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4225766A | Touch contact | Electricity | 16 | Expired |
| US4483342A | Diagnostic radiology system for angiographic x-ray examinations | Human Necessities | 14 | Expired |
| US7285234B2 | Process and device for producing solid bodies by sequential layer buildup | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7533713B2 | Ceramic casting mold for casting metal and process for production thereof | Chemistry; Metallurgy | 13 | Expired |
| US7611756B2 | Process for coating particles for generative rapid prototyping | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4247777A | Operating console for an x-ray diagnostic installation | Electricity | 6 | Expired |
| US4335311A | X-ray diagnostic apparatus with an image-intensifier TV chain | Electricity | 6 | Expired |
| US4137571A | Program control apparatus for the photographic operating sequence of an x-ray photographic installation | Physics | 5 | Expired |
| US8720528B2 | Method and device for casting a piston for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US4234928A | X-ray diagnostic installation for x-ray photographs | Electricity | 3 | Expired |
| US4251729A | X-ray diagnostic installation for X-ray photographs | Physics | 3 | Expired |
| US4250386A | X-ray diagnostic installation for X-ray photographs | Physics | 2 | Expired |
| US4044264A | X-ray diagnostic installation for radioscopy and exposures | Electricity | 2 | Expired |
| US7284589B2 | Reinforced casting cores for metal casting, manufacture and use | Performing Operations; Transporting | 2 | Expired |
| US11067024B2 | Method for requirement-based servicing of an injector | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11441480B2 | Method for operating an internal combustion engine, control device, and internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.