Patents by Inventor Walter S. Sterling

Walter S. Sterling 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: 4042099
    Abstract: In an apparatus for processing items wherein there is a rotatable sorting table for orienting items and delivering the properly oriented items to a discharge passage, and an air jet for driving the items along the discharge passage, a pressure responsive device operable by blocking of the air jet to stop rotation of the sorting table.
    Type: Grant
    Filed: September 12, 1975
    Date of Patent: August 16, 1977
    Assignee: Pneumatic Scale Corporation
    Inventor: Walter S. Sterling
  • Patent number: 3958688
    Abstract: Container orienting apparatus wherein a conveyor moves containers standing upright thereon between a guide rail at one side and a screw at the other side which spaces the containers on the conveyor, there being gaps intermediate the ends of the guide rail and screw providing an open space wherein the containers may be rotated about their vertical axis, a conveyor supported above the container conveyor carrying pivot pins at a spacing corresponding to the spacing of the containers on the container conveyor for engagement with the tops of the containers as they travel along the space to hold the containers on the conveyor while being rotated, a ram located at the space for initiating rotation of the containers as they enter the space and guides for completing the rotation of the containers as they leave the space.
    Type: Grant
    Filed: September 23, 1974
    Date of Patent: May 25, 1976
    Assignee: Pneumatic Scale Corporation
    Inventor: Walter S. Sterling