Patents by Inventor Fredric D. NADEL

Fredric D. NADEL 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).

  • Patent number: 9644861
    Abstract: A gas heat sub-base for use in conjunction with a PTAC or similar HVAC terminal unit, the sub-base having a housing with a front side, back side, top and bottom all defining an interior space. The top is configured to mate with the bottom of the PTAC unit. The sub-base also includes a plurality of air intake louvers on the front side of the housing and a heat exchanger located within the interior space of the housing. The gas heat sub-base is separate from, but is integrated with, the PTAC unit. A heating and cooling unit includes a PTAC unit with the gas heat sub-base.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: May 9, 2017
    Assignee: INTERNATIONAL GAS HEATING EQUIPMENT LLC
    Inventors: Moshe M. Siegel, Fredric D. Nadel
  • Publication number: 20140251575
    Abstract: A gas heat sub-base for use in conjunction with a PTAC or similar HVAC terminal unit, the sub-base having a housing with a front side, back side, top and bottom all defining an interior space. The top is configured to mate with the bottom of the PTAC unit. The sub-base also includes a plurality of air intake louvers on the front side of the housing and a heat exchanger located within the interior space of the housing. The gas heat sub-base is separate from, but is integrated with, the PTAC unit. A heating and cooling unit includes a PTAC unit with the gas heat sub-base.
    Type: Application
    Filed: March 7, 2013
    Publication date: September 11, 2014
    Inventors: Moshe M. SIEGEL, Fredric D. NADEL