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Norbert Fortmann
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Hanover, DE
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last 30 patents
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Patent Grant
Seal for a work cylinder operated by pressurized fluid
Patent number
5,246,237
Issue date
Sep 21, 1993
Mannesmann Aktiengesellschaft
Helmut Gottling
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Working cylinder without piston rod
Patent number
5,207,146
Issue date
May 4, 1993
Mannesmann Aktiengesellschaft
Norbert Fortmann
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Connector module for providing electrical contacts to magnet valves
Patent number
5,178,548
Issue date
Jan 12, 1993
Mannesmann Aktiengesellschaft
Norbert Fortmann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cylinder without a piston rod
Patent number
5,144,883
Issue date
Sep 8, 1992
Mannesmann Aktiengesellschaft
Rudolf Muller
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Shaft clamping device
Patent number
5,115,889
Issue date
May 26, 1992
Mannesmann Rexroth Pneumatik GmbH
Norbert Fortmann
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Compact fluid actuated working cylinder with spring loaded tensioni...
Patent number
5,022,311
Issue date
Jun 11, 1991
WABCO Westinghouse Steuerungstechnik GmbH & Co.
Norbert Fortmann
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL