Fred Cappel
9Patents
3h-index
20Co-inventors
53Inventor score
Filing activity: May 17, 1974 → Oct 2, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4969775A | Process of dressing contaminated soils | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4747356A | Process of burning cattle dung | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4067727A | Sintering process | Chemistry; Metallurgy | 7 | Expired |
| US5476533A | Process for sintering iron oxide-containing materials on a sintering machine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US3960543A | Process of producing self-supporting briquettes for use in metallurgical processes | Chemistry; Metallurgy | 3 | Expired |
| US4065295A | Sinter machine control as a function of waste gas temperature | Chemistry; Metallurgy | 3 | Expired |
| US3973762A | Sintering process and apparatus | Chemistry; Metallurgy | 2 | Expired |
| US4050924A | Process of controlling Fe.sup.++ content of sintered iron ore | Chemistry; Metallurgy | 1 | Expired |
| US4168154A | Sintering process for iron ore mixtures | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.