Patents by Inventor William S. Ruby

William S. Ruby 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).

  • Cooling of electrical furnaces
    Patent number: 4301320
    Abstract: Emergency cooling for an electric furnace is carried out by flowing municipal water through one part of a heat exchanger and through a hydraulic motor and using the motor output to drive a pump which forces coolant liquid in recirculatory fashion through the furnace and through another part of the heat exchanger.
    Type: Grant
    Filed: April 18, 1980
    Date of Patent: November 17, 1981
    Assignee: Brown Boveri Corporation
    Inventors: Otto Hochstrasser, William S. Ruby, Frank V. Madaffore
  • Preheating system with gas recirculation
    Patent number: 4113977
    Abstract: Scrap metal is preheated by electrical radiant heating means. Volatiles driven off from the metal are mixed with air and are blown through conduits which constitute the electrical radiant heating elements. Combustion takes place inside the conduits and the products of combustion are directed through openings in the conduits onto the scrap metal. The temperature and pressure in the system is controlled by dampers arranged at each end of the conduits to vary gas recirculation.
    Type: Grant
    Filed: August 19, 1977
    Date of Patent: September 12, 1978
    Assignee: Brown Boveri Corporation
    Inventors: Otto Hochstrasser, William S. Ruby