Inventor · disambiguated record

Demetrius A. Rumell

Also filed as: RUMELL LEGAL REPRESENTATIVE JO · VANDEVANDER FRED A

2 granted patents·38 citations·filing 2004–2006

63Inventor score

Technology areasB01D

Files withENVIROPURE IND INC1 RUMELL LEGAL REPRESENTATIVE JO1

Top patents by PatentIndex Score

2 records

0175US7530552B1Exhaust gas treatment device and methodENVIROPURE IND INC·Filed 2006·Granted May 12, 2009·15 cites·30 claims
0267US7192469B1Exhaust treatment device, system and methods for internal combustion enginesRUMELL LEGAL REPRESENTATIVE JO·Filed 2004·Granted Mar 20, 2007·23 cites·70 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →