Rolf A. Sieglen
5Patents
3h-index
9Co-inventors
42Inventor score
Filing activity: Oct 27, 1980 → Mar 1, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4441616A | Process for sorting coarse to fine materials according to their chemical composition | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4930359A | Apparatus for preparing samples from a flow of bulk material | Physics | 8 | Expired |
| US4502951A | Suction device for obtaining dust samples | Physics | 8 | Expired |
| US4558752A | Device for obtaining dust from minerals | Physics | 3 | Expired |
| US4482864A | Process and equipment for collecting magnetite-containing ore dust samples and determining the magnetite and phosphorous contents thereof | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.