Patents by Inventor Paul Howard Karslake

Paul Howard Karslake 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).

  • Flowable material mixing bag
    Patent number: 6953277
    Abstract: Flowable materials, such as cement and sand, are mixed by placing the materials to be mixed in an elongate flexible resealable bag having handles at its opposite ends and alternately raising and lowering the handles relative to one another to cause the materials to tumble alternately in opposite directions within the bag. The bag is fashioned to have a greater girth at its center than near its ends.
    Type: Grant
    Filed: September 3, 2001
    Date of Patent: October 11, 2005
    Assignee: Banana Bag Limited
    Inventors: Paul Howard Karslake, Michael John Clark
  • Method of mixing flowable materials
    Publication number: 20040095843
    Abstract: Flowable materials, such as cement and sand, are mixed by placing the materials to be mixed in an elongate flexible resealable bag 10 having handles 12 at its opposite ends and alternately raising and lowering the handles 12 relative to one another to cause the materials to tumble alternately in opposite directions within the bag. The bag is fashioned to have a greater girth at its centre than near its ends.
    Type: Application
    Filed: March 7, 2003
    Publication date: May 20, 2004
    Inventors: Paul Howard Karslake, Michael John Clark