Patents by Inventor Erich Weichenrieder

Erich Weichenrieder 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).

  • Mixing particulate materials
    Patent number: 4610399
    Abstract: The invention relates to the mixing of particulate materials with a given mixing ratio and as part of a plant and process requiring the materials, comprising the steps of metering the materials separately in respective metering units running at least substantially continuously, permitting the materials to fall freely onto a horizontal conveyor belt with a planar surface with a distribution of the materials over the belt, and supplying the materials in a further free fall to a further processing zone as part of the process.
    Type: Grant
    Filed: January 17, 1985
    Date of Patent: September 9, 1986
    Assignee: Recycloplast AG
    Inventor: Erich Weichenrieder
  • Anti-friction bearing unit of a synthetic resin processing machine
    Patent number: 4577980
    Abstract: An anti-friction bearing unit for a machine processing synthetic resin, and more specially one for the processing of scrap resin material at high pressures and temperatures, has rolling bodies placed between inner and outer running faces. The space between the running faces at an end of the bearing is, at operating temperatures, shut off apart from a small gap.
    Type: Grant
    Filed: July 24, 1984
    Date of Patent: March 25, 1986
    Assignee: Recycloplast AG
    Inventor: Erich Weichenrieder