Patents by Inventor Erik J. Shafer

Erik J. Shafer 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: 5370161
    Abstract: A balloon vending machine having a number of uninflated balloons positioned in a balloon support structure housed within the balloon vending machine. Attached to each balloon is a valve that not only maintains the balloon in the support structure but facilitates the inflation of the balloon. An operator selects one of a variety of balloons available for inflation. By rotating the balloon support housing the various balloons. Once the operator selects a balloon for inflation, the chosen balloon is indexed within the balloon support structure. The balloon is then inflated by dispensing a pressured gas through a series of regulators while still positioned in the balloon support structure. After the balloon is completely inflated, the inflator transports the balloon to a balloon hatch for delivery to the operator. The balloon hatch prohibits the operator from having access to the internal working of the balloon vending machine while retrieving the inflated balloon.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: December 6, 1994
    Inventor: Erik J. Shafer