Patents by Inventor Josef Maierhofer

Josef Maierhofer 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).

  • Soil stripping device
    Patent number: 7685749
    Abstract: The invention relates to a soil stripping device, in particular a trench wall grab, comprising a base body, which can be connected to a carrier implement, a work unit, on which soil working tools are arranged and which is supported on the base body in a rotatable manner by means of a bearing device, and a rotary device for rotating the work unit with respect to the base body. The rotary device has at least one linear drive and a rope or chain transmission, through which a linear movement generated by the linear drive can be translated into a rotating movement.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: March 30, 2010
    Assignee: Bauer Maschinen GmbH
    Inventors: Stefan Franz Loeffelholz, Josef Maierhofer
  • Soil stripping device
    Publication number: 20080179069
    Abstract: The invention relates to a soil stripping device, in particular a trench wall grab, comprising a base body, which can be connected to a carrier implement, a work unit, on which soil working tools are arranged and which is supported on the base body in a rotatable manner by means of a bearing device, and a rotary device for rotating the work unit with respect to the base body. The rotary device has at least a linear drive and a rope or chain transmission, through which a linear movement generated by the linear drive can be translated into a rotating movement.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 31, 2008
    Inventors: Stefan Franz Loeffelholz, Josef Maierhofer