Patents by Inventor Art Van Abbema

Art Van Abbema 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: 4580928
    Abstract: A pneumatic conveyor of particulate material includes an air pump with an inlet duct to the air pump communicating with a cyclone for extracting the particulate material from the air stream and then depositing the particulate material in an outlet duct from the air pump. The outlet duct includes a vertical section, an outwardly extending section with a hinge between the two to provide folding of the outwardly extending section relative to the vertical section for a storage position. In addition, a flange and collar connection is provided between two portions of the vertical section whereby the upper portion and the outwardly extending section can be rotated about the lower portion of the vertical section.
    Type: Grant
    Filed: January 18, 1984
    Date of Patent: April 8, 1986
    Assignee: Vana Industries Ltd.
    Inventor: Art Van Abbema
  • Patent number: 4572726
    Abstract: A cyclone separator for use in a pneumatic grain transporter of the type including an inlet duct, fan and outlet duct where the separator extracts the particulate material from the inlet air to allow the air to pass through the fan. The cyclone separator comprises an outer cylinder and an inner cylinder coaxial therewith with the inlet communicating with the annular space therebetween. The inner cylinder includes an open bottom and a rectangular opening in the peripheral wall in the upper half thereof and extending over 90 degrees.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: February 25, 1986
    Assignee: Vana Industries Ltd.
    Inventor: Art Van Abbema