Patents by Inventor K C Grace

K C Grace 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: 11242997
    Abstract: A portable propane fuel heater assembly for heating a room with propane fuel includes a fuel tank that contains liquid propane. A supply hose is fluidly coupled to the fuel tank for receiving gaseous propane from the liquid propane. A heater is provided and the heater is positionable in a room in a building. The supply hose is fluidly coupled to the heater thereby facilitating the heater to receive the gaseous propane that gaseous propane from the liquid propane. In this way the heater can burn the gaseous propane for heating the room in the building. Additionally, the heater has an exhaust duct for venting combustion gases outwardly from the heater.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: February 8, 2022
    Inventor: K C Grace
  • Publication number: 20210080110
    Abstract: A portable propane fuel heater assembly for heating a room with propane fuel includes a fuel tank that contains liquid propane. A supply hose is fluidly coupled to the fuel tank for receiving gaseous propane from the liquid propane. A heater is provided and the heater is positionable in a room in a building. The supply hose is fluidly coupled to the heater thereby facilitating the heater to receive the gaseous propane that gaseous propane from the liquid propane. In this way the heater can burn the gaseous propane for heating the room in the building. Additionally, the heater has an exhaust duct for venting combustion gases outwardly from the heater.
    Type: Application
    Filed: September 12, 2019
    Publication date: March 18, 2021
    Inventor: K C Grace