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Ingo Kallfass
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Bretten, DE
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Patents Grants
last 30 patents
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Patent Grant
Method for triggering a plurality of valves, and control block havi...
Patent number
7,878,481
Issue date
Feb 1, 2011
Robert Bosch GmbH
Ingo Kallfass
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Method for Minimizing the Dither Hum on a Valve
Publication number
20230139395
Publication date
May 4, 2023
ROBERT BOSCH GmbH
Ingo Kallfass
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Patent Application
Method for triggering a plurality of valves, and control block havi...
Publication number
20090234508
Publication date
Sep 17, 2009
Ingo Kallfass
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING