Patents by Inventor Alfred Kortemeyer

Alfred Kortemeyer 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).

  • Electrically propelled vehicle
    Patent number: 5975259
    Abstract: In an electrically propelled vehicle having at least one roof container (1) and at least one pantograph (6), such that the roof container (1) contains at least components for electrically protecting the power electronics downstream of the pantograph (6), because the pantograph (6) is mounted in electrically insulated fashion on the roof container (1) there are only short unprotected electrical conduction paths between the pantograph (6) and the components for protecting the power electronics downstream of the pantograph (6).
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: November 2, 1999
    Assignee: Siemens AG
    Inventors: Bruno Gebhard, Peter Hofmayer, Alfred Kortemeyer