Patents by Inventor William Ewald van der Vliet

William Ewald van der Vliet 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: 4085021
    Abstract: In the electrophoretic deposition of porcelain enamels, there is added to the bath one or more positive ions in an amount ranging from 10-95% of the positive ion concentration necessary to adjust the zeta potential, of the particles to be deposited electrophoretically, to zero.
    Type: Grant
    Filed: January 27, 1977
    Date of Patent: April 18, 1978
    Assignee: Ferro Corporation
    Inventor: William Ewald van der Vliet