Patents by Inventor Ralph B. Burke

Ralph B. Burke 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).

  • Energy and fuel conserving unit heater
    Patent number: 4124178
    Abstract: The building heating system is by circulating hot air through the building by making use of a hot air furnace for heating the air for normal heat requirements and an auxiliary heater for lesser heat requirement by means of a hot water radiator placed in the air stream leading from the furnace to the air outlet in the building and supplied by a hot water boiler.
    Type: Grant
    Filed: January 18, 1977
    Date of Patent: November 7, 1978
    Inventor: Ralph B. Burke