Patents by Inventor David S. Porteous

David S. Porteous 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).

  • Carton feeding system and method and related carton forming and sealing machine
    Patent number: 10640308
    Abstract: A carton feeding assembly includes a carton blank storage rack for holding a stack of horizontally oriented folded carton blanks, a carton blank transport device for picking a bottommost folded carton blank from the stack and conveying it along a conveyance path, and a carton blank push up device that reorients the folded carton blank into an upright position suitable for movement into engagement with a case erector.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: May 5, 2020
    Assignee: WEXXAR PACKAGING, INC.
    Inventors: David S. Porteous, Melvin Tsen
  • CASE ERECTOR AND ASSOCIATED CARTON FLAP GRIPPING SYSTEM
    Publication number: 20170197376
    Abstract: A carton flap gripping arrangement includes an operating panel, pin holder and movable dome arrangement. The movable dome can be selectively urged into a grip position for holding a carton flap and can move to a non-grip position to facilitate insertion of the pins into the edge of the carton flap.
    Type: Application
    Filed: January 12, 2016
    Publication date: July 13, 2017
    Inventor: David S. Porteous
  • CARTON FEEDING SYSTEM AND METHOD AND RELATED CARTON FORMING AND SEALING MACHINE
    Publication number: 20160159026
    Abstract: A carton feeding assembly includes a carton blank storage rack for holding a stack of horizontally oriented folded carton blanks, a carton blank transport device for picking a bottommost folded carton blank from the stack and conveying it along a conveyance path, and a carton blank push up device that reorients the folded carton blank into an upright position suitable for movement into engagement with a case erector.
    Type: Application
    Filed: December 7, 2015
    Publication date: June 9, 2016
    Inventors: David S. Porteous, Melvin Tsen