Patents by Inventor Dennis T. Siekierke

Dennis T. Siekierke 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).

  • Container opener
    Patent number: 5107728
    Abstract: Apparatus for opening lift tab containers. The apparatus comprises a lifting tongue and a side engaging positioner. The lifting tongue is adapted to engage and lift a lift tab on the container and the side engaging positioner is adapted to use the sides of the container to ensure the proper positioning of the container with respect to the lifting tongue. The opening apparatus can comprise a cavity having a drain for draining liquid from the cavity.
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: April 28, 1992
    Inventor: Dennis T. Siekierke