Patents by Inventor Alfred Longworth

Alfred Longworth 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).

  • Gaseous fuel burners
    Patent number: 4137905
    Abstract: A gaseous fuel mixture burner which includes a mixer device into which gas is injected so as to provide a gaseous vortex formation within the mixer, air being drawn into the device and mixed with the gas by the low pressure region created within the vortex.
    Type: Grant
    Filed: December 1, 1976
    Date of Patent: February 6, 1979
    Assignee: T. I. Domestic Appliances Limited
    Inventor: Alfred Longworth
  • Gaseous fuel burners
    Patent number: 4033714
    Abstract: A gaseous fuel mixture burner which includes a mixer device into which gas is injected so as to provide a gaseous vortex formation within the mixer, air being drawn into the device and mixed with the gas by the low pressure region created within the vortex.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: July 5, 1977
    Assignee: Radiation Limited
    Inventor: Alfred Longworth