Patents by Inventor Thomas J. Zopf

Thomas J. Zopf 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).

  • Packaging apparatus
    Patent number: 5155971
    Abstract: A packaging apparatus that seals a product within a container while under a controlled environment. The container, holding a product and having a lid tacked to the open end thereof leaving vents between the lid and the container. The container is enclosed within a chamber having a device for controlling the flow of fluid into and out of the chamber. The chamber and container are evacuated and then flushed with an inert fluid at least once. While the container is still within the chamber the lid is completely peelably sealed to the container.
    Type: Grant
    Filed: March 3, 1992
    Date of Patent: October 20, 1992
    Assignee: Autoprod, Inc.
    Inventor: Thomas J. Zopf