Inventor

PIETSCHNER SIEGHARD

DE11 patents

⚠️ This page may combine multiple inventors who share the name “PIETSCHNER SIEGHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HENGST GMBH & CO KG

4 patents

US7422612B2Sep 9, 2008

Oil separator for the separation of oil from the crankcase ventilation gas of an internal combustion engine

HENGST GMBH & CO KG26 citations91

US7100587B2Sep 5, 2006

Device for the ventilation of the crankcase of an internal combustion engine

HENGST GMBH & CO KG27 citations91

US8042529B2Oct 25, 2011

Device for eliminating oil particles from the crankcase ventilation gas in an internal combustion engine

HENGST GMBH & CO KG17 citations83

US7025049B2Apr 11, 2006

Apparatus for ventilating the crankcase of a combustion engine

HENGST GMBH & CO KG15 citations83

WALTER HENGST GMBH & CO KG

2 patents

US6626163B1Sep 30, 2003

Oil separator for de-oiling crankcase ventilation gases of an internal combustion engine

WALTER HENGST GMBH & CO KG106 citations95

US6279556B1Aug 28, 2001

Oil separator for removing oil from the crankcase ventilation gases of an internal combustion engine

WALTER HENGST GMBH & CO KG111 citations95

HENGST SE

2 patents

US12128343B2Oct 29, 2024

Filter arrangement and method

HENGST SE0 citations49

US11130079B2Sep 28, 2021

Filter insert of a fuel filter, filter insert, and fuel filter

HENGST SE0 citations36

HENGST WALTER GMBH & CO KG

1 patent

US6505615B2Jan 14, 2003

Device to deoil the crankcase ventilation gases of an internal combustion engine

HENGST WALTER GMBH & CO KG79 citations96

WALTER HENGST GMBH & CO GMBH I

1 patent

US6684864B1Feb 3, 2004

Method for removing oil from crankcase ventilation gases and devices for implementing said method

WALTER HENGST GMBH & CO GMBH I86 citations93

HEINEN ARNO

1 patent

US8449637B2May 28, 2013

Oil mist separator of an internal combustion engine

HEINEN ARNO9 citations74