Patents by Inventor Ulrico Walchhuetter

Ulrico Walchhuetter 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).

  • Apparatus for coating ceramic tiles or the like to be advanced to roller tunnel kilns
    Patent number: 4287849
    Abstract: A method and apparatus for protecting the underface of ceramic or refractory tiles and the refractory rollers forming the advancing plane of a roller tunnel kiln during the firing and cooling of the tiles, in which to at least part of the underside of the tiles is applied a protective layer of a refractory material in suspension by an applicator, such as rollers, during advancement of the tiles by a conveyor into the kiln so that the protective layer is interposed between the underface of the tiles and the refractory rollers of the kiln preventing the tiles when heated and cooled from adhering or being welded to the refractory rollers.
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: September 8, 1981
    Inventor: Ulrico Walchhuetter