Patents by Inventor Ralph S. Damon

Ralph S. Damon 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).

  • Diesel fueled engine coolant heater
    Patent number: 4192274
    Abstract: A diesel fueled engine coolant heater for vehicles powered by a liquid cooled diesel engine. The heater is adapted to burn diesel fuel ordinarily carried by the vehicle. All electrical components of the system are powered by the vehicle electrical system. The heater supplies a source of thermal energy for engine coolant fluid in order to provide for rapid starting of the vehicle engine in cold temperatures and, if needed, to provide heat for the passenger compartment of the vehicle while the vehicle engine is stopped.
    Type: Grant
    Filed: March 8, 1978
    Date of Patent: March 11, 1980
    Inventor: Ralph S. Damon
  • Diesel fueled engine coolant heater
    Patent number: 4099488
    Abstract: A diesel fueled engine coolant heater for vehicles powered by a liquid cooled diesel engine. The heater is adapted to burn diesel fuel ordinarily carried by the vehicle. All electrical components of the system are powered by the vehicle electrical system. The heater supplies a source of thermal energy for engine coolant fluid in order to provide for rapid starting of the vehicle engine in cold temperatures and, if needed, to provide heat for the passenger compartment of the vehicle while the vehicle engine is stopped.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: July 11, 1978
    Assignee: Hunter Investment Company
    Inventor: Ralph S. Damon