Patents by Inventor Alfred Eppich

Alfred Eppich 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: 4361622
    Abstract: A silicate coating for heat-resistant objects, particularly containers having a heat transfer function, e.g. cooking pots or baking pans, is disclosed. The coating solves the problem of improving the heat transfer and heat distribution while at the same time improving the appearance. Toward these ends, it is proposed that the coating contain at least 10 wt. % of a mica, and be fired or baked on the object at a temperature below the decomposition, melting or dissolving temperature of the mica.
    Type: Grant
    Filed: November 4, 1980
    Date of Patent: November 30, 1982
    Assignee: Leipold & Eppich KG
    Inventors: Gunter Theisen, Alfred Eppich, Rudolf H. Hochleitner
  • Patent number: 4175151
    Abstract: A method of producing decal transfers having the steps of printing color on a solvent-soluble separation layer on a solvent permeable backing producing a picture, applying a solvent-soluble cover to the area surrounding the picture, and applying a protective-transfer foil over the picture and the cover. The foil is insoluble in the solvent. The cover dissolves in the solvent during the course of the transfer operation thereby removing any impurities arising in the unprinted area surrounding the picture. A decal transfer consists of a solvent-permeable backing carrying a solvent-soluble separation layer thereon, a printed color picture on the separation layer, a solvent-soluble cover on the separation layer in at least the picture-free areas, and an insoluble protective-transfer foil covering the picture and the majority of the cover.
    Type: Grant
    Filed: June 2, 1978
    Date of Patent: November 20, 1979
    Assignee: Firma F. Xaver Leipold
    Inventors: Alfred Eppich, Rudolf H. Hochleitner