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Dubendorf, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Valve control unit for a hydraulic elevator
Patent number
6,742,629
Issue date
Jun 1, 2004
Wittur AG
Sead Veletovac
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Control method and apparatus for a hydraulic elevator using only lo...
Patent number
6,510,923
Issue date
Jan 28, 2003
Wittur AG
Sead Veletovac
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Hydrostatic displacement drive for lifting and lowering and holding...
Patent number
6,422,349
Issue date
Jul 23, 2002
Wittur GmbH
Sead Veletovac
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Method and device for controlling a hydraulic lift
Patent number
6,142,259
Issue date
Nov 7, 2000
Bucher-Guyer AG
Sead Veletovac
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
Valve control unit for a hydraulic elevator
Publication number
20020153204
Publication date
Oct 24, 2002
Sead Veletovac
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL