Inventor · disambiguated record
Leonard L. Ervin
Also filed as: ERVIN LEONARD L
3 granted patents·1 pending application·36 citations·filing 1992–2005
71Inventor score
Technology areasB22D
Top patents by PatentIndex Score
4 records- 0187US5287910APermanent mold casting of reactive meltHOWMET CORP·Filed 1992·Granted Feb 22, 1994·23 cites·15 claims
- 0267US5443111APermanent mold for casting reactive meltHOWMET CORP·Filed 1993·Granted Aug 22, 1995·9 cites·5 claims
- 0361US6805189B2Die castingHOWMET RES CORP·Filed 2002·Granted Oct 19, 2004·4 cites·11 claims
- 0444US2007137827A1Die casting in investment moldHOWMET CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →