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Alfred Memmel
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Schonungen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Air spring for a motor vehicle
Patent number
10,508,704
Issue date
Dec 17, 2019
ZF Friedrichshafen AG
Thomas Nowotka
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Sensor holder for a piston cylinder unit
Patent number
7,987,737
Issue date
Aug 2, 2011
ZF Friedrichshafen AG
Alfred Memmel
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Damping valve for a shock absorber
Patent number
6,581,734
Issue date
Jun 24, 2003
ZF Sachs AG
Steffen Heyn
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Air Spring For A Motor Vehicle
Publication number
20180216689
Publication date
Aug 2, 2018
ZF Friedrichshafen AG
Thomas NOWOTKA
B60 - VEHICLES IN GENERAL
Information
Patent Application
Sensor holder for a piston cylinder unit
Publication number
20090064804
Publication date
Mar 12, 2009
ZF Friedrichshafen AG
Alfred Memmel
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Pneumatic spring
Publication number
20060097434
Publication date
May 11, 2006
ZF Friedrichshafen AG
Alfred Memmel
B60 - VEHICLES IN GENERAL
Information
Patent Application
Damping valve for a shock absorber
Publication number
20020175033
Publication date
Nov 28, 2002
ZF Sachs AG
Steffen Heyn
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...