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Sieghard Pietschner
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Greven, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Filter arrangement and method
Patent number
12,128,343
Issue date
Oct 29, 2024
HENGST SE
Sieghard Pietschner
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filter insert of a fuel filter, filter insert, and fuel filter
Patent number
11,130,079
Issue date
Sep 28, 2021
HENGST SE
Sieghard Pietschner
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Oil mist separator of an internal combustion engine
Patent number
8,449,637
Issue date
May 28, 2013
Hengst GmbH & Co. KG
Arno Heinen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for eliminating oil particles from the crankcase ventilation...
Patent number
8,042,529
Issue date
Oct 25, 2011
Hengst GmbH & Co. KG
Uwe Meinig
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Oil separator for the separation of oil from the crankcase ventilat...
Patent number
7,422,612
Issue date
Sep 9, 2008
Hengst GmbH & Co., KG
Sieghard Pietschner
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Device for the ventilation of the crankcase of an internal combusti...
Patent number
7,100,587
Issue date
Sep 5, 2006
Hengst GmbH & Co. KG
Stephan Ahlborn
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Apparatus for ventilating the crankcase of a combustion engine
Patent number
7,025,049
Issue date
Apr 11, 2006
Hengst GmbH & Co. KG
Sieghard Pietschner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method for removing oil from crankcase ventilation gases and device...
Patent number
6,684,864
Issue date
Feb 3, 2004
Ing. Walter Hengst GmbH & Co. GmbH
Jürgen Busen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Oil separator for de-oiling crankcase ventilation gases of an inter...
Patent number
6,626,163
Issue date
Sep 30, 2003
Walter Hengst GmbH & Co KG
Jürgen Busen
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Device to deoil the crankcase ventilation gases of an internal comb...
Patent number
6,505,615
Issue date
Jan 14, 2003
Ing. Walter Hengst GmbH & Co. KG
Sieghard Pietschner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Oil separator for removing oil from the crankcase ventilation gases...
Patent number
6,279,556
Issue date
Aug 28, 2001
Walter Hengst GmbH & Co., KG
Jürgen Busen
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR DETERMINING AT LEAST ONE OPERATING PARAMETER...
Publication number
20220054959
Publication date
Feb 24, 2022
HENGST SE
Sieghard PIETSCHNER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filter Arrangement and Method
Publication number
20210394108
Publication date
Dec 23, 2021
HENGST SE
Sieghard PIETSCHNER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FILTER MATERIAL FOR A FILTER INSERT OF A FUEL FILTER, FILTER INSERT...
Publication number
20190105587
Publication date
Apr 11, 2019
HENGST SE
Sieghard PIETSCHNER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
OIL MIST SEPARATOR OF AN INTERNAL COMBUSTION ENGINE
Publication number
20100229510
Publication date
Sep 16, 2010
Arno Heinen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DEVICE FOR ELIMINATING OIL PARTICLES FROM THE CRANKCASE VENTILATION...
Publication number
20090199826
Publication date
Aug 13, 2009
HENGST GmbH & Co. KG
Uwe Meinig
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Oil separator for the separation of oil from the crankcase ventilat...
Publication number
20060090737
Publication date
May 4, 2006
Sieghard Pietschner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Device for crankcase ventilation of an internal combustion engine
Publication number
20050061305
Publication date
Mar 24, 2005
Sieghard Pietschner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Device for the ventilation of the crankcase of an internal combusti...
Publication number
20040112346
Publication date
Jun 17, 2004
Stephan Ahlborn
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Device to deoil the crankcase ventilation gases of an internal comb...
Publication number
20020100465
Publication date
Aug 1, 2002
Sieghard Pietschner
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES