Inventor · disambiguated record
Denis Pettigrew
Also filed as: PETTIGREW DENIS
2 granted patents·9 citations·filing 2003–2008
53Inventor score
Top patents by PatentIndex Score
2 records- 0155US7790035B2Tertiary system and process for treating a liquid effluent from an onsite domestic secondary treatment unitPREMIER TECH TECHNOLOGIES LTEE·Filed 2008·Granted Sep 7, 2010·2 cites·29 claims
- 0252US7097768B2Coconut mesocarp-based biofilter material and its use in a wastewater treatment systemPREMIER TECH 2000 LTEE·Filed 2003·Granted Aug 29, 2006·7 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →