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Ralf Leonhardt
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Mauldin, SC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Vent valve assembly with lever arrangement
Patent number
7,543,597
Issue date
Jun 9, 2009
Alfmeier Corporation
Ralf Leonhardt
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Fill limit vent valve assembly
Patent number
7,147,017
Issue date
Dec 12, 2006
Alfmeier Corporation
Ralf Leonhardt
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Fill limit vent valve
Patent number
6,918,405
Issue date
Jul 19, 2005
Alfmeier Corporation
Ralf Leonhardt
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Valve assembly for a fuel tank
Patent number
6,648,016
Issue date
Nov 18, 2003
Alfmeier Corporation
Markus T. Farrenkopf
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Vent valve assembly with lever arrangement
Publication number
20070079872
Publication date
Apr 12, 2007
Alfmeier Corporation
Ralf Leonhardt
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Fill limit vent valve assembly
Publication number
20050284539
Publication date
Dec 29, 2005
Ralf Leonhardt
B60 - VEHICLES IN GENERAL
Information
Patent Application
FILL LIMIT VENT VALVE
Publication number
20050126633
Publication date
Jun 16, 2005
Ralf Leonhardt
B60 - VEHICLES IN GENERAL
Information
Patent Application
Valve assembly for a fuel tank
Publication number
20030136448
Publication date
Jul 24, 2003
Alfmeier Corporation
Markus T. Farrenkopf
B60 - VEHICLES IN GENERAL