Patents by Inventor Burkhard Kircher

Burkhard Kircher 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).

  • Process for applying a hard wax protective coating on glass
    Patent number: 3997693
    Abstract: A protective surface coating is formed on the surface of a glass object by spraying an aqueous emulsion of a hard wax onto a surface of the object and removing water from the emulsion by the action of heat.
    Type: Grant
    Filed: October 16, 1974
    Date of Patent: December 14, 1976
    Assignee: Centralin Gesellschaft, Chem. Fabrik Kircher & Co.
    Inventor: Burkhard Kircher