Patents by Inventor Frans Puchinger

Frans Puchinger 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).

  • Dispersion for protective coatings and method for applying such coatings
    Patent number: 4838942
    Abstract: Synthetic material substrates are protected against erosion and corrosion by a lacquer type coating which is baked or bonded onto the substrate at relatively low temperatures below 200.degree. C. to protect the synthetic material substrate against damage. The coating is a dispersion of metal powder in an aqueous solution of about equal weight proportions of phosphorous acid and phosphoric acid with an optional weight proportion of not more than 5 percent of aluminum phosphate, and about 10 to 20 weight percent of chromic acid. The remainder is water.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: June 13, 1989
    Assignee: MTU-Motoren-und Turbinen-Union Muenchen GmbH
    Inventors: Frans Puchinger, Gerhard Wydra