SP

Sieghard Pietschner

HK Hengst Gmbh & Co. Kg: 5 patents #3 of 23Top 15%
HS Hengst Se: 2 patents #2 of 24Top 9%
IK Ing. Walter Hengst Gmbh & Co. Kg: 2 patents #4 of 15Top 30%
📍 Greven, DE: #3 of 37 inventorsTop 9%
Overall (All Time): #445,302 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12128343 Filter arrangement and method Roland EDLERHERR, Moritz Dorschel 2024-10-29
11130079 Filter insert of a fuel filter, filter insert, and fuel filter Moritz Dorschel, Marcus Wegmann, Andreas Schüttpelz 2021-09-28
8449637 Oil mist separator of an internal combustion engine Arno Heinen 2013-05-28
8042529 Device for eliminating oil particles from the crankcase ventilation gas in an internal combustion engine Uwe Meinig 2011-10-25
7422612 Oil separator for the separation of oil from the crankcase ventilation gas of an internal combustion engine 2008-09-09
7100587 Device for the ventilation of the crankcase of an internal combustion engine Stephan Ahlborn, Thomas May 2006-09-05
7025049 Apparatus for ventilating the crankcase of a combustion engine 2006-04-11
6684864 Method for removing oil from crankcase ventilation gases and devices for implementing said method Jürgen Busen 2004-02-03
6626163 Oil separator for de-oiling crankcase ventilation gases of an internal combustion engine Jürgen Busen 2003-09-30
6505615 Device to deoil the crankcase ventilation gases of an internal combustion engine 2003-01-14
6279556 Oil separator for removing oil from the crankcase ventilation gases of an internal combustion engine Jürgen Busen 2001-08-28