Patents by Inventor Rudolf-Peter Hartmann

Rudolf-Peter Hartmann 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).

  • Industrial robot having individual electrical three-phase drives
    Patent number: 4602195
    Abstract: An industrial robot having permanently excited three-phase motors driving each robot joint is described. Each motor is coupled to a common intermediate d-c link through an individual controlled inverter. Electric braking energy of the motors is stored in a large capacitor battery coupled to the intermediate d-c link.
    Type: Grant
    Filed: March 27, 1984
    Date of Patent: July 22, 1986
    Assignee: Mantec Gesellschaft fur Automatisierungs- und Handhabungssysteme mbH
    Inventors: Manfred Eberle, Rudolf-Peter Hartmann