Patents by Inventor Manfred Wittman

Manfred Wittman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Welding unit equipped with a communications interface and method for operating the welding unit
    Patent number: 6797921
    Abstract: The invention relates to a welding device (1) having a current source (2) for supplying electrical energy to at least one electrode and a control and/or evaluation unit (4) co-operating with the current source (2), having an input device (57) for setting various welding parameters, characterised in that a communications interface (23) connected to the control and/or evaluation unit (4) is provided in order to set up a two-way data exchange between the welding device (1) or the current source via a web-server, in particular a HTTP server.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: September 28, 2004
    Assignee: Fronius International GmbH
    Inventors: Franz Niedereder, Heinrich Hackl, Manfred Wittman, Anton Lauber, Peter Mair