Inventor · disambiguated record
Alfonso Di Stefano
Also filed as: DI STEFANO ALFONSO
12 granted patents·132 citations·filing 1978–2001
90Inventor score
Files withSTEFANO ALFONSO DI4
Top patents by PatentIndex Score
12 records- 0186US4308002AWankel-type engine with semi-circular sectional configuration for chamber end surfaceSTEFANO ALFONSO DI·Filed 1979·Granted Dec 29, 1981·26 cites·12 claims
- 0281US6398159B1Arial diskFiled 2001·Granted Jun 4, 2002·39 cites·21 claims
- 0377US4213427ARotary engineSTEFANO ALFONSO DI·Filed 1978·Granted Jul 22, 1980·26 cites·17 claims
- 0454US4846763AUniversal joint with improved bearing and seal constructionSTEFANO ALFONSO DI·Filed 1987·Granted Jul 11, 1989·12 cites·5 claims
- 0541US6205972B1EngineFiled 1999·Granted Mar 27, 2001·8 cites·14 claims
- 0637US5950490AMulti-clutched transmission systemFiled 1998·Granted Sep 14, 1999·4 cites·7 claims
- 0733US4793527AAerosol dispenserSTEFANO ALFONSO DI·Filed 1987·Granted Dec 27, 1988·9 cites·9 claims
- 0832US5732668ASiamese piston arrangement internal combustion engineFiled 1996·Granted Mar 31, 1998·4 cites·14 claims
- 0931US5890513ANon-wearing washer for fluid valveFiled 1997·Granted Apr 6, 1999·3 cites·16 claims
- 1029US6000293AMulti-clutched transmissionFiled 1999·Granted Dec 14, 1999·1 cites·16 claims
- 1128US6151725AHygienic toilet tankFiled 1998·Granted Nov 28, 2000·0 cites·15 claims
- 1228US6070481APiston actuated wheel clutchFiled 1999·Granted Jun 6, 2000·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →