Patents by Inventor Larry J. Bullock

Larry J. Bullock 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: 5170609
    Abstract: The present invention provides a novel deflator means for expelling excess air from packages which is used in connection with form, fill and seal packaging machines, said deflator means comprising flexible walled, fluid-filled bladder means which engages a product-containing bag and forces excess air out from the bag, the bladder fluid also being provided to be in communication with a reservoir which permits fluid exchange between the bladder, and the reservoir during the packaging cycle.
    Type: Grant
    Filed: January 22, 1991
    Date of Patent: December 15, 1992
    Assignee: Hershey Foods Corporation
    Inventors: Larry J. Bullock, Malcolm E. Taylor, Stephen C. Jens