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Hartmut RÖLLEKE
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Kircheib, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Vibration damper having a hydraulic compression stop
Patent number
12,140,198
Issue date
Nov 12, 2024
ZF Friedrichshafen AG
Hartmut Rölleke
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Piston for a piston-cylinder unit
Patent number
7,870,818
Issue date
Jan 18, 2011
ZF Friedrichshafen AG
Hartmut Rölleke
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
VIBRATION DAMPER AND METHOD FOR ASSEMBLING THE VIBRATION DAMPER
Publication number
20240003402
Publication date
Jan 4, 2024
ZF Friedrichshafen AG
Hartmut RÖLLEKE
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
DAMPING VALVE DEVICE WITH ADJUSTABLE STOP
Publication number
20230375068
Publication date
Nov 23, 2023
ZF Friedrichshafen AG
Hartmut RÖLLEKE
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
VIBRATION DAMPER HAVING A HYDRAULIC COMPRESSION STOP
Publication number
20220333663
Publication date
Oct 20, 2022
ZF Friedrichshafen AG
Hartmut RÖLLEKE
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Cylinder, In Particular For A Tuned Mass Damper, Having A Sleeve-Sh...
Publication number
20170175840
Publication date
Jun 22, 2017
ZF Friedrichshafen AG
Hartmut RÖLLEKE
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Piston for a piston-cylinder unit
Publication number
20080202329
Publication date
Aug 28, 2008
ZF Friedrichshafen AG
Hartmut Rolleke
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL