Patents by Inventor Jeffrey R. Lomprey

Jeffrey R. Lomprey 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).

  • Color-stabilized electrochromic devices
    Patent number: 6310714
    Abstract: An electrochromic medium for use in a normally operating electrochromic device comprising an anodic material and a cathodic material wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic, an additive, and means associated with the additive for maintaining a colorless or nearly colorless electrochromic medium while the electrochromic medium is in a high transmission state relative to an electrochromic medium without the additive.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: October 30, 2001
    Assignee: Gentex Corporation
    Inventors: Jeffrey R. Lomprey, Thomas F. Guarr
  • Anodic electrochromic materials having a solublizing moiety
    Patent number: 6262832
    Abstract: Anodic electrochromic materials for use in an electrochromic device comprising a first moiety, wherein the first moiety comprises a metallocene or a substituted metallocene, and a second moiety, wherein the second moiety comprises at least one constituent which serves to increase the solubility of the first moiety in an associated solvent relative to solubility of the first moiety without the second moiety.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: July 17, 2001
    Assignee: Gentex Corporation
    Inventors: Jeffrey R. Lomprey, Thomas F. Guarr
  • Color-stabilized electrochromic devices
    Patent number: 6188505
    Abstract: An electrochromic medium for use in a normally operating electrochromic device comprising an anodic material and a cathodic material wherein both of the anodic and cathodic materials are electroactive and at least one of the anodic and cathodic materials is electrochromic, an additive, and means associated with the additive for maintaining a colorless or nearly colorless electrochromic medium while the electrochromic medium is in a high transmission state relative to an electrochromic medium without the additive.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: February 13, 2001
    Assignee: Gentex Corporation
    Inventors: Jeffrey R. Lomprey, Thomas F. Guarr