Patents by Inventor Graham J. Ross

Graham J. Ross 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: 4827697
    Abstract: Apparatus and method for packaging particulate product in bags for deposit into cartons of predetermined cross section and height. Sheet material is formed about a filling tube. The sheet material is sealed and severed beneath the filling tube creating the top of one bag and the bottom of the next. Product is dropped through the filling tube into the formed sheet material which is vibrated. A sensor may be used to determine if product exceeds a predetermined height. After a predetermined amount of product has been dropped into the sheet material, the material is lowered, sealed and severd to form a filled bag.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: May 9, 1989
    Assignee: Pneumatic Scale Corporation
    Inventor: Graham J. Ross
  • Patent number: 4825623
    Abstract: Apparatus for forming bags of predetermined length with a predetermined weight of product, the apparatus being provided with a vibrator for effecting vibration of a bag shaper and a sensor adjacent the bag shaper for determining when the product has subsided to a level less than the height of the bag so that jaws may be engaged to seal the top of the bag without being jammed by product.
    Type: Grant
    Filed: January 12, 1988
    Date of Patent: May 2, 1989
    Assignee: Pneumatic Scale Corporation
    Inventor: Graham J. Ross
  • Patent number: 4718217
    Abstract: Apparatus for packaging particulate product in bags for deposit into cartons of predetermined cross section and height.
    Type: Grant
    Filed: August 4, 1986
    Date of Patent: January 12, 1988
    Assignee: Pneumatic Scale Corporation
    Inventor: Graham J. Ross
  • Patent number: 4714152
    Abstract: Apparatus comprising an accumulator for temporarily storing articles being transferred by a conveyor from one operation to another in the event that there is blockage of the articles at the discharge end of the conveyor and for restoring the articles to the conveyor when the blockage is dispersed including sensors and control circuitry for on the one hand transferring the articles from the conveyor to the accumulator and on the other hand transferring the articles from the accumulator to the conveyor.
    Type: Grant
    Filed: March 19, 1987
    Date of Patent: December 22, 1987
    Assignee: Pneumatic Scale Corporation
    Inventor: Graham J. Ross