Patents by Inventor Hans Ulrich Klippert

Hans Ulrich Klippert 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).

  • Testing apparatus for light- and weather-resisting properties
    Patent number: 4012954
    Abstract: This invention relates to a testing apparatus for light- and weather-resisting properties, with a sample room having a gas discharge radiator arranged therein, as well as to a mirror placed between this radiator and the samples, selectively reflecting the infrared portion of the radiation and being permeable to the visible and ultraviolet portion thereof, and to an additional mirror, selectively reflecting the visible and the ultraviolet portion of the radiation and transmitting the infrared portion thereof.
    Type: Grant
    Filed: January 20, 1976
    Date of Patent: March 22, 1977
    Assignee: Original Hanau Quarzlampen GmbH
    Inventor: Hans Ulrich Klippert