Patents by Inventor Sheldon N. Katz

Sheldon N. Katz 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).

  • Window frame
    Patent number: 4037378
    Abstract: The window frame is adapted to receive at least one sash and has metal portions on an outdoor face thermally insulated from metal portions on an indoor face to thereby provide a thermal break. At least in part, the thermal break is attained by way of a thermal barrier strip having spaced parallel zones of contact with juxtaposed walls of the metal portions.
    Type: Grant
    Filed: February 24, 1976
    Date of Patent: July 26, 1977
    Assignee: Replacement Products Industries Corporation
    Inventors: David R. Collins, Sheldon N. Katz
  • Window sash and frame with thermal barrier
    Patent number: 4024690
    Abstract: The window is comprised of upper and lower sashes. Each sash includes two panes of glass with an air space barrier therebetween. All metal members on one face of each sash are thermally and electrically insulated from corresponding members on the opposite face of each sash to thereby provide a complete thermal and electrical barrier between the indoor and outdoor faces of the sashes.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: May 24, 1977
    Assignee: Replacement Products Industries Corporation
    Inventors: David R. Collins, Sheldon N. Katz