Inventor · disambiguated record
Leon Helfet
Also filed as: HELFET LEON
7 granted patents·1 pending application·153 citations·filing 2000–2019
87Inventor score
Top patents by PatentIndex Score
8 records- 0196US7997230B2Manual litter boxLUCKY LITTER LLC·Filed 2009·Granted Aug 16, 2011·36 cites·18 claims
- 0291US7425274B1Aquarium filter unitHELFET LEON·Filed 2005·Granted Sep 16, 2008·29 cites·4 claims
- 0385US6789450B1Manually operated strap wrench for turning generally cylindrical objectsFiled 2002·Granted Sep 14, 2004·36 cites·4 claims
- 0483US7155999B1Strap wrench for gripping and turning generally cylindrical objectsHELFET LEON·Filed 2005·Granted Jan 2, 2007·18 cites·11 claims
- 0581US6178563B1Toilet deodorizerFiled 2000·Granted Jan 30, 2001·26 cites·5 claims
- 0679US8567348B2Manual litter boxCOOK ALAN JAY·Filed 2011·Granted Oct 29, 2013·7 cites·11 claims
- 0765US7601258B1Aquarium filter water return chamberHELFET LEON·Filed 2008·Granted Oct 13, 2009·1 cites·10 claims
- 0849US2021191152A1Optic Retainer HooksHELFET LEON·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →