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Steffen Martin
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Niederfrohna, DE
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last 30 patents
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Patent Grant
Method for machining control edges of a valve for a fuel injection...
Patent number
6,371,382
Issue date
Apr 16, 2002
Hydraulik-Ring GmbH
Bernd Niethammer
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Control valve for fuel injection devices for internal combustion en...
Patent number
6,345,804
Issue date
Feb 12, 2002
Hydraulik-Ring GmbH
Steffen Martin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection device for internal combustion engines
Patent number
6,293,252
Issue date
Sep 25, 2001
Hydraulik-Ring GmbH
Bernd Niethammer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection device for internal combustion engines
Patent number
6,286,484
Issue date
Sep 11, 2001
Hydraulik-Ring GmbH
Bernd Niethammer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Pressure regulator for controlling the pre-injection quantity of fu...
Patent number
6,279,543
Issue date
Aug 28, 2001
Hydraulik-Ring GmbH
Bernd Niethammer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS