Inventor · disambiguated record
Norbert Prinz
Also filed as: PRINZ NORBERT
5 granted patents·198 citations·filing 1988–2008
84Inventor score
Top patents by PatentIndex Score
5 records- 0194US4906365AFilter for cleaning lubricating oilHENGST WALTER GMBH & CO KG·Filed 1988·Granted Mar 6, 1990·106 cites·8 claims
- 0288US7713185B2Impulse centrifuge for the purification of the lubricating oil from an internal combustion engineHENGST GMBH & CO KG·Filed 2005·Granted May 11, 2010·16 cites·76 claims
- 0386US4948503AOil filter cover in combination with an oil filter cartridgeHENGST WALTER GMBH & CO KG·Filed 1988·Granted Aug 14, 1990·50 cites·2 claims
- 0473US9072992B2Fuel filter with filter recognitionMENDEL FRANK·Filed 2008·Granted Jul 7, 2015·10 cites·14 claims
- 0534US6050351ADrilling hole system for horizontal boreholesGAZ DE FRANCE·Filed 1997·Granted Apr 18, 2000·16 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →