Patents by Inventor Eberhard Ruhs

Eberhard Ruhs 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).

  • Tool having a Controllable Cooling Means
    Publication number: 20160039081
    Abstract: An electrically operated tool appliance comprises a rotatable tool head, an electric motor drive configured to drive the rotatable tool head, a control system configured to control the electric motor drive, an energy supply configured to supply the electric motor drive with electrical energy, and a first cooling mechanism configured to cool the electric motor drive and/or the control system. The first cooling mechanism defines a cooling capacity configured to be controlled independently of a rotational speed of the electric motor drive.
    Type: Application
    Filed: August 5, 2015
    Publication date: February 11, 2016
    Inventors: Eberhard Ruhs, Andreas Scharfenberg