Inventor · disambiguated record
David Helenius
Also filed as: HELENIUS DAVID · HELENIUS DAVID CHARLES
3 granted patents·20 citations·filing 2009–2012
68Inventor score
Technology areasB29C
Top patents by PatentIndex Score
3 records- 0181US9011138B2Collapsing core part retainer sleeveHICKOK ALAN PATRICK·Filed 2012·Granted Apr 21, 2015·7 cites·25 claims
- 0279US8038433B2Expandable cavity for injection molding toolPROGRESSIVE COMPONENTS INT·Filed 2009·Granted Oct 18, 2011·7 cites·17 claims
- 0376US8033810B2Lock for core assembly for injection molding toolPROGRESSIVE COMPONENTS INT·Filed 2009·Granted Oct 11, 2011·6 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →