Inventor · disambiguated record
Carl W. D. Schaefer
Also filed as: SCHAEFER CARL · SCHAEFER CARL W D
5 granted patents·123 citations·filing 1975–2005
83Inventor score
Top patents by PatentIndex Score
5 records- 0192US5725043ALow pressure casting process and apparatusSCHAEFER FRANK W INC·Filed 1996·Granted Mar 10, 1998·48 cites·35 claims
- 0290US4027862AMetal melting furnace with alternate heating systemsSCHAEFER FRANK W INC·Filed 1975·Granted Jun 7, 1977·27 cites·1 claims
- 0379US7493525B2Method and system for managing failure informationCISCO TECH INC·Filed 2005·Granted Feb 17, 2009·16 cites·20 claims
- 0478US3996412AAluminum melting furnaceSCHAEFER FRANK W INC·Filed 1975·Granted Dec 7, 1976·19 cites·12 claims
- 0548US5590681AValve assemblySCHAEFER FRANK W INC·Filed 1994·Granted Jan 7, 1997·13 cites·37 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →