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Gerhard Lepperhoff
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Eschweiler, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method of operation of a device for energy conversion using a main...
Patent number
RE42771
Issue date
Oct 4, 2011
FEV Motorentechnik GmbH
Gerhard Lepperhoff
123 - Internal-combustion engines
Information
Patent Grant
Method for operation of a device for energy conversion using a main...
Patent number
7,207,318
Issue date
Apr 24, 2007
FEV Motorentechnik GmbH
Gerhard Lepperhoff
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process and device for operating an internal combustion engine with...
Patent number
6,269,631
Issue date
Aug 7, 2001
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
Willi Neff
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method for reducing pollutant emission in motor vehicles
Patent number
6,185,930
Issue date
Feb 13, 2001
FEV Motorentechnik GmbH
Gerhard Lepperhoff
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Method of reducing the NO.sub.x emission of a supercharged piston-t...
Patent number
5,671,600
Issue date
Sep 30, 1997
FEV Motorentechnik GmbH & Co. KG
Franz Pischinger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Filter arrangement for removal of soot particles from the exhaust g...
Patent number
5,472,462
Issue date
Dec 5, 1995
FEV Motorentechnik GmbH & Co. KG
Franz Pischinger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Filter system for the removal of engine emission particulates
Patent number
4,948,403
Issue date
Aug 14, 1990
FEV Motorentechnik GmbH & Co. KG
Gerhard Lepperhoff
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System for the regeneration of a particulate filter trap
Patent number
4,897,096
Issue date
Jan 30, 1990
FEV Motorentechnik GmbH & Co. KG
Franz Pischinger
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Filter system for the removal of engine emission particulates
Patent number
4,872,889
Issue date
Oct 10, 1989
FEV Motorentechnik GmbH & Co., KG
Gerhard Lepperhoff
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Process and system for the regeneration of particulate filter traps
Patent number
4,730,455
Issue date
Mar 15, 1988
FEV Motorentechnik GmbH & Co. KG
Franz Pischinger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Process and system for the oxidation of engine emission particulate...
Patent number
4,730,454
Issue date
Mar 15, 1988
FEV Forschungsgesellschaft fur Energie-Technik und Verbrennungsmotoren mbH
Franz Pischinger
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Process for the regeneration of engine emission particulates deposi...
Patent number
4,709,547
Issue date
Dec 1, 1987
FEV Motorentechnik GmbH & Co. KG
Franz Pischinger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Assembly for engine exhaust gas particulate filter traps
Patent number
4,709,549
Issue date
Dec 1, 1987
FEV Motorentechnik GmbH & Co. KG
Gerhard Lepperhoff
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Particle filtration and removal system
Patent number
4,634,459
Issue date
Jan 6, 1987
FEV Forschungsgesellschaft fur Energie-Technik und Verbrennungsmotoren GmbH
Franz Pischinger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Method for operation of a device for energy conversion using a main...
Publication number
20050004713
Publication date
Jan 6, 2005
FEV MOTORENTECHNIK GMBH
Gerhard Lepperhoff
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES