Patents by Inventor William S. Bergh

William S. Bergh 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).

  • Electrochromic devices having optimized visual characteristics
    Patent number: 11086184
    Abstract: The current invention describes an electrochromic panel having optimized visual properties. The properties have been optimized to provide an electrochromic panel having a very transparent clear state and a very black and opaque dark state. The coloration of the electrochromic panel has also been optimized to provide options for aesthetically pleasing windows. In one embodiment, the clear state comprises a CIE-Lab L* in transmission from 70 to 95, b* in transmission from ?8 to 8, and a* in transmission from ?4 to 4 and a dark state comprises a Tvis less than 0.01%, a CIE-Lab b* in transmission from ?8 to 8, and a CIE-Lab a* in transmission from ?8 to 8.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: August 10, 2021
    Assignee: KINESTRAL TECHNOLOGIES, INC
    Inventors: William S. Bergh, Jonathan Ziebarth, John Bass, Howard Turner