Patents by Inventor Andrew S. Cohen

Andrew S. Cohen 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).

  • Tie rod with self-securing end
    Patent number: 4527768
    Abstract: A concrete form self securing tie rod is provided with a cone shaped element having a dowel-like extension slidably mounted on an elongated rod having formed thereon an integrally formed wedge portion. The dowel-like portion of the cone-shaped element has teeth that lockingly engages the element into an aperture formed in the panel making up one side of the concrete form to prevent vertical movement of the tie rod. The wedge shaped portion of the elongated rod lockingly engages the cone element to prevent horizontal movement of the tie rod.
    Type: Grant
    Filed: September 9, 1983
    Date of Patent: July 9, 1985
    Inventor: Andrew S. Cohen