Patents by Inventor George W. Boult

George W. Boult 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).

  • Cigarette or filter rod cut-off device
    Patent number: 4503866
    Abstract: A cut-off device for a cigarette or filter rod making machine is designed to work with a knife having an aperture which, when the knife is spent, is detected by a system including a light emitter and a detector, with an electronic timing system sensitive to specific light/dark transitions to enable the presence of an aperture to be detected at various speeds of rotation of the member carrying the knife.
    Type: Grant
    Filed: April 26, 1982
    Date of Patent: March 12, 1985
    Assignee: Molins PLC
    Inventors: George W. Boult, Richard R. King