Patents by Inventor William Chant

William Chant 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).

  • Safety locking device
    Patent number: 5845751
    Abstract: A safety lock for use in connection with large chain-driven machines, such as die cutting and platen press machines, which positively prevents movement of the various cooperating moving parts of the machine when the machine is in a stopped, set-up position. The safety lock, when in the locking position, securely engages one or more of the sprocket wheels of the machine in a manner to positively prevent accidental rotation thereof.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: December 8, 1998
    Inventor: William Chant