Patents by Inventor Frederic D. Van Patten

Frederic D. Van Patten 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).

  • Viewing instrument for chimney
    Patent number: 4681086
    Abstract: An instrument for viewing the vent of a chimney while the chimney is working that includes a quartz rod that is mounted in the chimney above the flue entrance thereto. The rod is adapted to transmit light travelling down the chimney to a viewing station outside the chimney wall to provide valuable visual information concerning the condition of the chimney and the burning efficiency of the fire.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: July 21, 1987
    Inventor: Frederic D. Van Patten
  • Viewing instrument for chimney
    Patent number: 4612908
    Abstract: An instrument for viewing the vent of a chimney while the chimney is working that includes a quartz rod that is mounted in the chimney above the flue entrance thereto. The rod is adapted to transmit light travelling down the chimney to a viewing station outside the chimney wall to provide valuable visual information concerning the condition of the chimney and the burning efficiency of the fire.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: September 23, 1986
    Inventor: Frederic D. Van Patten
  • Viewing apparatus for a chimney
    Patent number: 4434784
    Abstract: Apparatus for viewing the interior of a working chimney so that smoke patterns and the condition of the chimney walls can be continually monitored without the need of discontinuing the operation of a connected stove. The viewing apparatus is rendered airtight so that a fire extinguisher operably connected thereto can fire dry chemicals directly into the chimney in the event a chimney fire is detected.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: March 6, 1984
    Inventor: Frederic D. Van Patten