Patents by Inventor Don Bower

Don Bower 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).

  • Vent cap
    Patent number: 6886579
    Abstract: A vent cap is provided for releasing gas from containers, while preventing spillage of the contents therein when the container is tipped from a vertical position. The vent cap has a ball bearing mounted in a ball bearing containment chamber on the top thereof which, when the container is in an upright vertical position, allows release of gases from the container but, when the container is tipped, allows a piston disposed within the vent cap to close off gas release ducts formed in the vent cap, thus effectively preventing spillage of the containers contents.
    Type: Grant
    Filed: March 3, 2003
    Date of Patent: May 3, 2005
    Assignee: Swift Enterprises, Ltd.
    Inventors: William Stein, Don Bower
  • Vent cap
    Publication number: 20040173258
    Abstract: A vent cap is provided for releasing gas from containers, while preventing spillage of the contents therein when the container is tipped from a vertical position. The vent cap has a ball bearing mounted in a ball bearing containment chamber on the top thereof which, when the container is in an upright vertical position, allows release of gases from the container but, when the container is tipped, allows a piston disposed within the vent cap to close off gas release ducts formed in the vent cap, thus effectively preventing spillage of the containers contents.
    Type: Application
    Filed: March 3, 2003
    Publication date: September 9, 2004
    Applicant: Swift Enterprises, Ltd.
    Inventors: William Stein, Don Bower