Inventor · disambiguated record
Sieghard Pietschner
Also filed as: PIETSCHNER SIEGHARD
11 granted patents·1 pending application·476 citations·filing 2000–2019
92Inventor score
Files withHENGST GMBH & CO KG4HENGST SE3WALTER HENGST GMBH & CO KG2HEINEN ARNO1HENGST WALTER GMBH & CO KG1
Top patents by PatentIndex Score
12 records- 0196US6505615B2Device to deoil the crankcase ventilation gases of an internal combustion engineHENGST WALTER GMBH & CO KG·Filed 2002·Granted Jan 14, 2003·79 cites·20 claims
- 0295US6626163B1Oil separator for de-oiling crankcase ventilation gases of an internal combustion engineWALTER HENGST GMBH & CO KG·Filed 2000·Granted Sep 30, 2003·106 cites·11 claims
- 0395US6279556B1Oil separator for removing oil from the crankcase ventilation gases of an internal combustion engineWALTER HENGST GMBH & CO KG·Filed 2000·Granted Aug 28, 2001·111 cites·21 claims
- 0493US6684864B1Method for removing oil from crankcase ventilation gases and devices for implementing said methodWALTER HENGST GMBH & CO GMBH I·Filed 2000·Granted Feb 3, 2004·86 cites·34 claims
- 0591US8042529B2Device for eliminating oil particles from the crankcase ventilation gas in an internal combustion engineHENGST GMBH & CO KG·Filed 2006·Granted Oct 25, 2011·17 cites·32 claims
- 0685US7422612B2Oil separator for the separation of oil from the crankcase ventilation gas of an internal combustion engineHENGST GMBH & CO KG·Filed 2003·Granted Sep 9, 2008·26 cites·12 claims
- 0785US7100587B2Device for the ventilation of the crankcase of an internal combustion engineHENGST GMBH & CO KG·Filed 2002·Granted Sep 5, 2006·27 cites·18 claims
- 0873US8449637B2Oil mist separator of an internal combustion engineHEINEN ARNO·Filed 2008·Granted May 28, 2013·9 cites·30 claims
- 0973US7025049B2Apparatus for ventilating the crankcase of a combustion engineHENGST GMBH & CO KG·Filed 2002·Granted Apr 11, 2006·15 cites·18 claims
- 1048US12128343B2Filter arrangement and methodHENGST SE·Filed 2019·Granted Oct 29, 2024·0 cites·17 claims
- 1144US2022054959A1Method and device for determining at least one operating parameter of a filter or a filter cartridge arranged in the filter, and filter cartridgeHENGST SE·Filed 2019·Application pending·0 cites
- 1231US11130079B2Filter insert of a fuel filter, filter insert, and fuel filterHENGST SE·Filed 2017·Granted Sep 28, 2021·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →