Inventor · disambiguated record
Oscar Dufau
Also filed as: DUFAU OSCAR · DUFAU OSCAR R
20 granted patents·1 pending application·382 citations·filing 1980–2022
96Inventor score
Top patents by PatentIndex Score
21 records- 0195US7636959B2Toilet overflow prevention system and methodLIMIT INC·Filed 2007·Granted Dec 29, 2009·21 cites·11 claims
- 0292US9896831B2Toilet overflow prevention system and methodLIMIT INC·Filed 2017·Granted Feb 20, 2018·4 cites·20 claims
- 0390US7950265B2Toilet overflow prevention system and methodLIMIT INC·Filed 2009·Granted May 31, 2011·8 cites·13 claims
- 0489US5025826AFaucet handle universal couplingSCHOEPE ADOLF·Filed 1990·Granted Jun 25, 1991·64 cites·13 claims
- 0589US4620667AHot water heating system having minimum hot water use based on minimum water temperatures and time of heatingFLUIDMASTER·Filed 1986·Granted Nov 4, 1986·94 cites·36 claims
- 0685US8370969B2Toilet overflow prevention system and methodLIMIT INC·Filed 2011·Granted Feb 12, 2013·10 cites·12 claims
- 0781US10190301B2Toilet overflow prevention system and methodLIMIT INC·Filed 2018·Granted Jan 29, 2019·1 cites·20 claims
- 0879US2022228354A1Toilet overflow prevention system and methodLIMIT INC·Filed 2022·Application pending·0 cites
- 0973USD309938SFlush valve for toiletsFLUIDMASTER·Filed 1986·Granted Aug 14, 1990·14 cites·1 claims
- 1072US11306470B2Toilet overflow prevention system and methodLIMIT INC·Filed 2020·Granted Apr 19, 2022·0 cites·17 claims
- 1172US9644357B2Toilet overflow prevention system and methodLIMIT INC·Filed 2013·Granted May 9, 2017·1 cites·9 claims
- 1270US5042095ACleaner injector systemFLUIDMASTER·Filed 1987·Granted Aug 27, 1991·32 cites·7 claims
- 1368US10760254B2Toilet overflow prevention system and methodLIMIT INC·Filed 2019·Granted Sep 1, 2020·0 cites·19 claims
- 1467US5966749AAdjustable flush valveFLUIDMASTER·Filed 1997·Granted Oct 19, 1999·23 cites·10 claims
- 1562US4703653ABallcock float structureFLUIDMASTER·Filed 1985·Granted Nov 3, 1987·19 cites·12 claims
- 1660US4656676APressure activated cleaner discharge for toilets and the likeFLUIDMASTER·Filed 1986·Granted Apr 14, 1987·23 cites·10 claims
- 1758US4938245ALow noise toilet tank valveFLUIDMASTER·Filed 1989·Granted Jul 3, 1990·18 cites·11 claims
- 1858US4312556AElectrical connectorDUFAU OSCAR·Filed 1980·Granted Jan 26, 1982·19 cites·8 claims
- 1950US4760612AAir regulated cleaner discharge device for toilets and the likeFLUIDMASTER·Filed 1987·Granted Aug 2, 1988·16 cites·10 claims
- 2041US4907302AIn-field installable closing delay cupFLUIDMASTER·Filed 1988·Granted Mar 13, 1990·10 cites·10 claims
- 2137US4378280AFixed sleeve junction reference electrodeGRAPHIC CONTROLS CORP·Filed 1982·Granted Mar 29, 1983·5 cites·15 claims
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