Robert K. Preuss
9Patents
8h-index
2Co-inventors
48Inventor score
Filing activity: Mar 28, 1975 → Aug 24, 1977
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3962081A | Ceramic foam filter | Emerging Cross-Sectional Technologies | 68 | Expired |
| US4024056A | Filtering of molten metal | Chemistry; Metallurgy | 49 | Expired |
| US4081371A | Filtering of molten metal | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4024212A | Ceramic foam and method of preparation | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4075303A | Method of preparation of ceramic foam | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4092153A | Filtering and inline degassing of molten metal | Chemistry; Metallurgy | 15 | Expired |
| US4052198A | Method for in-line degassing and filtration of molten metal | Chemistry; Metallurgy | 15 | Expired |
| US4154689A | Filtering and inline degassing of molten metal | Performing Operations; Transporting | 10 | Expired |
| US4032124A | Apparatus and method for in-line degassing and filtration of molten metal | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.