Inventor · disambiguated record
Fred Cappel
Also filed as: CAPPEL FRED · CAPPEL FRED ERICH
9 granted patents·111 citations·filing 1974–1992
88Inventor score
Top patents by PatentIndex Score
9 records- 0183US4067727ASintering processDRAVO CORP·Filed 1976·Granted Jan 10, 1978·20 cites·11 claims
- 0271US4969775AProcess of dressing contaminated soilsMETALLGESELLSCHAFT AG·Filed 1988·Granted Nov 13, 1990·31 cites·19 claims
- 0367US4747356AProcess of burning cattle dungMETALLGESELLSCHAFT AG·Filed 1987·Granted May 31, 1988·22 cites·5 claims
- 0465US4065295ASinter machine control as a function of waste gas temperatureDRAVO CORP·Filed 1976·Granted Dec 27, 1977·14 cites·3 claims
- 0562US3960543AProcess of producing self-supporting briquettes for use in metallurgical processesMETALLGESELLSCHAFT AG·Filed 1974·Granted Jun 1, 1976·10 cites·12 claims
- 0648US3973762ASintering process and apparatusDRAVO CORP·Filed 1974·Granted Aug 10, 1976·4 cites·7 claims
- 0738US5476533AProcess for sintering iron oxide-containing materials on a sintering machineMETALLGESELLSCHAFT AG·Filed 1992·Granted Dec 19, 1995·6 cites·52 claims
- 0828US4050924AProcess of controlling Fe++ content of sintered iron oreDRAVO CORP·Filed 1975·Granted Sep 27, 1977·3 cites·5 claims
- 0927US4168154ASintering process for iron ore mixturesDRAVO CORP·Filed 1978·Granted Sep 18, 1979·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →