Patents by Inventor Bunyan B. Cagle

Bunyan B. Cagle 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).

  • Fireplace cross-circulating air heater
    Patent number: 4535752
    Abstract: A fireplace heater has a pair of pluralities of heat exchanger tubes passing air in opposite directions across a fireplace. A first plurality of the heat exchanger tubes passes air from a left blower and duct means to a right duct means which discharges the air on the right side of the fireplace. The other plurality of heat exchanger tubes pass the air from a right blower and duct means to the left duct means which discharges the air on the left side of the fireplace.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: August 20, 1985
    Inventor: Bunyan B. Cagle
  • Solid fuel furnace
    Patent number: 4353351
    Abstract: A solid fuel furnace is disclosed as including a firebox disposed inside of a heating chamber through which air to be heated is passed. A pair of baffles guides the air through the heating chamber to progressively heat the air. In addition, an auxiliary air system is provided to inject air into the fire when there is a heating demand to increase combustion and provide more heat when it is most needed.A modified solid fuel furnace is also disclosed which includes a combustion chamber having a door designed to prevent flash-back when the door is opened, a valve for preventing a flow of combustion air to the combustion chamber when the temperature in the combustion chamber rises above a present level, and a manual override for the valve.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: October 12, 1982
    Inventor: Bunyan B. Cagle
  • Solid fuel furnace
    Patent number: 4269349
    Abstract: A solid fuel furnace is disclosed as including a firebox disposed inside of a heating chamber through which air to be heated is passed. A pair of baffles guides the air through the heating chamber to progressively heat the air. In addition, an auxiliary air system is provided to inject air into the fire when there is a heating demand to increase combustion and provide more heat when it is most needed.A modified solid fuel furnace is also disclosed which includes a combustion chamber having a door designed to prevent flash-back when the door is opened, a valve for preventing a flow of combustion air to the combustion chamber when the temperature in the combustion chamber rises above a present level, and a manual override for the valve.
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: May 26, 1981
    Inventor: Bunyan B. Cagle
  • Solid fuel furnace
    Patent number: 4149671
    Abstract: A solid fuel furnace is disclosed as including a firebox disposed inside of a heating chamber through which air to be heated is passed. A pair of baffles guides the air through the heating chamber to progressively heat the air. In addition, an auxiliary air system is provided to inject air into the fire when there is a heating demand to increase combustion and provide more heat when it is most needed.
    Type: Grant
    Filed: July 8, 1977
    Date of Patent: April 17, 1979
    Inventor: Bunyan B. Cagle
  • Solid fuel furnace
    Patent number: D260283
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: August 18, 1981
    Inventor: Bunyan B. Cagle
  • Fireplace cross-circulating air heater
    Patent number: D277225
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: January 15, 1985
    Inventor: Bunyan B. Cagle