Patents by Inventor Werner Eichhorn

Werner Eichhorn 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).

  • Impeller made from a sheet-metal disk and method of manufacturing same
    Patent number: 5007801
    Abstract: An impeller formed from sheet-metal by stamping and bending, at a low production cost, capable of delivering an increased quantity of air at a reduced noise level and with reduced power consumption and enhanced efficiency. The method of manufacturing the impeller from sheet metal incorporates sufficient versitility to allow the blades of the impeller to be formed to any desired configuration in order to provide an optimum shape for the intended impeller use. The blades can be curved or twisted and can extend perpendicular from the sheet-metal surface or at any desired angle for optimum utilization.
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: April 16, 1991
    Assignee: Standard Elektrik Lorenz Aktiengesellschaft
    Inventors: Reinhold Hopfensperger, Werner Eichhorn