Inventor · disambiguated record
Donald Keiper
Also filed as: KEIPER DONALD
3 granted patents·7 citations·filing 2007–2010
57Inventor score
Top patents by PatentIndex Score
3 records- 0176US8066785B2Process for recycling waste materialsGONCHAR HOWARD·Filed 2010·Granted Nov 29, 2011·6 cites·27 claims
- 0249US7846225B2Process for recycling polymeric waste materialsRECARBON CORP·Filed 2008·Granted Dec 7, 2010·0 cites·16 claims
- 0349US7842106B2Process for using polymeric waste materials to produce fuelRECARBON CORP·Filed 2007·Granted Nov 30, 2010·1 cites·57 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →