Patents by Inventor Douglas Stewart Buick

Douglas Stewart Buick 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).

  • Patent number: 3934627
    Abstract: A filling machine for filling containers includes a receptacle for holding the substance to be filled and cylinders disposed in a circle around the exterior of the receptacle and connectible to the receptacle and to discharge openings. Each cylinder contains a piston supporting a stub shaft projecting radially outwards from the axis of the cylinder. A sleeve axially movable on each stub shaft, and lockable on the stub shaft supports, slipper means in sliding contact with upper and lower tracks of an endless track member surrounding the central receptacle. Means is provided for altering the angles the planes of the upper and lower tracks make with the axes of the cylinders and for rotating the central receptacle and the cylinders about the vertical axis of the central receptacle relatively to the track.
    Type: Grant
    Filed: August 15, 1974
    Date of Patent: January 27, 1976
    Inventor: Douglas Stewart Buick