Patents by Inventor Roland Winkel

Roland Winkel 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).

  • Switch cabinet with rack and wall elements
    Patent number: 6120206
    Abstract: A switching cabinet has a frame made of stays and with open sides that may be at least partially closed by wall elements that can be secured to the stays of the framework. In order to secure the wall elements to the framework in an manner invisible from the outside, projecting hook elements are fixed on the inner side of the wall elements, matching hook elements can be hooked into the projecting hook elements and the matching hook element can be mounted on the framework stays so that the hook elements may be hooked onto them.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: September 19, 2000
    Assignee: Rittal-Werk Loh GmbH & Co. KG
    Inventors: Rolf Benner, Roland Winkel
  • Switch cabinet with rack and wall elements
    Patent number: 6012791
    Abstract: A switching cabinet has a frame made of stays and with open sides that may be at least partially closed by wall elements that can be secured to the stays of the framework. In order to secure the wall elements to the framework in an manner invisible from the outside, projecting hook elements are fixed on the inner side of the wall elements, matching hook elements can be hooked into said projecting hook elements and the matching hook element can be mounted on the framework stays so that the hook elements may be hooked onto them.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: January 11, 2000
    Assignee: Rittel-Werk Rudolf Loh GmbH & Co. KG
    Inventors: Rolf Benner, Roland Winkel