Patents by Inventor Howard J. Hein

Howard J. Hein 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).

  • Carriage safety and chain tensioning device for stretch wrap machines
    Patent number: 4745726
    Abstract: Apparatus for vertically regulating the dispensing height of stretchable wrapping material for stretch wrapping a load which comprises carriage means for varying the height of the carriage means between predetermined upper and lower positions, and safety means to prevent the fall of the carriage means to the lower position in the event of a failure of the height varying means. Also, a methods for preventing the accidental downward movement or falling of the carriage means in the event of a failure of the height regulating means which comprises providing safety means to grasp the frame means of a stretch wrapping apparatus when the height varying means breaks or fails.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: May 24, 1988
    Assignee: Mima, Inc.
    Inventors: Henry Rosenthal, Howard J. Hein