Patents by Inventor Guntars Vaivars

Guntars Vaivars 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 device comprising tandem layers of cathodic/anodic materials
    Patent number: 6211995
    Abstract: An electrochromic device (10) for windows, displays, rear view mirrors, eye wear and other applications includes three layers (2), (4) and (5) of electrochromic materials and an electrolyte, with the transmittance of the layers (2) and (5) being variable by an applied electrical field, and protective layer (4) being transparent and not contributing to the coloration/bleaching of device. The protective layer (4) is made of the same electrochromic material as the electrochromic layer on the opposing side of the electrolyte.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: April 3, 2001
    Assignee: Forkarpatent 1 Uppsala AB
    Inventors: Andris Azens, Guntars Vaivars, Monica Veszelei, Lisen Kullman, Claes-Goran Granqvist