Patents by Inventor Karl Werner Mader

Karl Werner Mader 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).

  • Multi-purpose funnel
    Patent number: 3939884
    Abstract: A multi-purpose funnel with handle, a flanged rim to prevent overflow and a discharge spout. The funnel comprises two co-axial connections with male thread, the smaller diameter connection having a tubular extension and a rubber seal. Discharge pipes are provided, there pipes can be bushed into the connection spout.
    Type: Grant
    Filed: August 9, 1973
    Date of Patent: February 24, 1976
    Inventor: Karl Werner Mader