Inventor · disambiguated record
Norbert Kreft
Also filed as: KREFT NORBERT
18 granted patents·1 pending application·123 citations·filing 2001–2017
93Inventor score
Top patents by PatentIndex Score
19 records- 0184US6823268B2Engine exhaust emissions measurement correctionAVL NORTH AMERICA INC·Filed 2002·Granted Nov 23, 2004·23 cites·72 claims
- 0282US6857327B2Particulate sampling probe and dilution tunnelAVL NORTH AMERICA INC·Filed 2003·Granted Feb 22, 2005·18 cites·7 claims
- 0379US6481299B2Particulate sampling probe and dilution tunnelAVL NORTH AMERICA INC·Filed 2001·Granted Nov 19, 2002·14 cites·23 claims
- 0478US6823748B2Active pulsation cancellation device for diesel particulate sampling systemsAVL NORTH AMERICA INC·Filed 2002·Granted Nov 30, 2004·16 cites·5 claims
- 0574US6962090B2Heated stainless steel emissions canisterAVL NORTH AMERICA INC·Filed 2002·Granted Nov 8, 2005·14 cites·7 claims
- 0673US7574307B2Engine exhaust emissions measurement correctionAVL NORTH AMERICA INC·Filed 2004·Granted Aug 11, 2009·9 cites·42 claims
- 0773US7191671B2Particulate deposit avoidance and probe positioningAVL NORTH AMERICA INC·Filed 2004·Granted Mar 20, 2007·9 cites·18 claims
- 0866US7340940B2Particulate deposit avoidance and probe positioningAVL NORTH AMERICA INC·Filed 2007·Granted Mar 11, 2008·1 cites·2 claims
- 0965US7141090B2Active filter temperature controlAVL NORTH AMERICA INC·Filed 2003·Granted Nov 28, 2006·6 cites·14 claims
- 1060US6742407B2Particulate sampling probe and dilution tunnelAVL NORTH AMERICA INC·Filed 2002·Granted Jun 1, 2004·2 cites·8 claims
- 1159US7000449B2Exhaust volume measurement deviceAVL NORTH AMERICA INC·Filed 2004·Granted Feb 21, 2006·6 cites·9 claims
- 1250US7055364B2Exhaust volume measurement deviceAVL NORTH AMERICA INC·Filed 2004·Granted Jun 6, 2006·3 cites·18 claims
- 1349US11305211B2Condensate separator for exhaust gas measuring systemsAVL EMISSION TEST SYSTEMS GMBH·Filed 2017·Granted Apr 19, 2022·0 cites·8 claims
- 1448US9212999B2Device for determining the concentration of at least one gas in a sample gas streamAVL EMISSION TEST SYSTEMS GMBH·Filed 2013·Granted Dec 15, 2015·0 cites·15 claims
- 1545US10986749B2Switch cabinet for exhaust-gas measurement installationsAVL EMISSION TEST SYSTEMS GMBH·Filed 2017·Granted Apr 20, 2021·0 cites·15 claims
- 1645US10317318B2Exhaust-gas sampling system, and method for operating an exhaust-gas sampling system of said typeAVL EMISSION TEST SYSTEMS GMBH·Filed 2015·Granted Jun 11, 2019·0 cites·15 claims
- 1744US7293454B2Anti-aliasing acoustic filter in the presence of pulsating flowAVL NORTH AMERICA INC·Filed 2004·Granted Nov 13, 2007·2 cites·15 claims
- 1833US2012156101A1Assembly for the controlled feeding and delivery of a gas mixture into an analysis chamberKREFT NORBERT·Filed 2010·Application pending·0 cites
- 1928US9343305B2Method and device for continuously coating substratesKREFT NORBERT·Filed 2011·Granted May 17, 2016·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →