Patents by Inventor Christopher I. Hilgers

Christopher I. Hilgers 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).

  • Brine tank for a two tank water softener
    Patent number: D437384
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: February 6, 2001
    Assignee: Ecowater Systems, Inc.
    Inventors: Christine Fletcher, Christopher I. Hilgers, Kurt M. Taylor, David T. Bardwell
  • Single tank water softener
    Patent number: D439950
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: April 3, 2001
    Assignee: Ecowater Systems, Inc.
    Inventors: Christine Fletcher, Christopher I. Hilgers, Kurt Taylor, David Bardwell