Patents by Inventor Hubert Schroder

Hubert Schroder 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: 4112142
    Abstract: The invention relates to a method of producing on a transparent article, particularly a glass article, layers having a reflection degree of at least 10 percent on a first surface of the article and dereflecting layers on a second surface of the article. The method includes the steps of first by an immersion process providing both said surfaces with a dereflecting multiple-layered coating, and then providing said first surface with a single layer of a reflection increasing transparent coating.
    Type: Grant
    Filed: August 21, 1972
    Date of Patent: September 5, 1978
    Assignee: Glaswerk Schott & Gen.
    Inventors: Hubert Schroder, Werner Klein