Inventor · disambiguated record
David F. Purdy
Also filed as: PURDY DAVID · PURDY DAVID F
4 granted patents·120 citations·filing 2003–2009
76Inventor score
Technology areasC02F
Top patents by PatentIndex Score
4 records- 0195US6863830B1Dual layer tablet, method of making and use thereofBIOLAB SERVICES INC·Filed 2003·Granted Mar 8, 2005·107 cites·40 claims
- 0268US7780857B2Solid composition for treating waterCHEMTURA CORP·Filed 2009·Granted Aug 24, 2010·3 cites·4 claims
- 0368US7625496B2Solid composition for treating waterCHEMTURA CORP·Filed 2007·Granted Dec 1, 2009·3 cites·4 claims
- 0459US7238290B2Catalytic oxidation of peroxy saltsBIOLAB INC·Filed 2003·Granted Jul 3, 2007·7 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →