Patents by Inventor Willy Muth

Willy Muth 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).

  • Patent number: 4069087
    Abstract: The apparatus for welding articles of thermoplasts using additional welding material is provided with a special melting device for the welding material. The melting device comprises a guide channel for the supply and preheating of the welding material, which channel merges into a melting channel of diminishing cross section closed at one end. The melting channel is provided with lateral bores which discharge into a melting chamber of low height in communication with a collecting zone for the plasticized welding material, which collecting zone is connected with the outlet opening of the welding shoe.
    Type: Grant
    Filed: October 1, 1976
    Date of Patent: January 17, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Johannes Luke, Willy Muth, Wolfgang Riederer, Gunter Wenzel