Patents by Inventor William J. Vieau

William J. Vieau 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).

  • Flexographic inking system including a reverse angle doctor blade
    Patent number: 4186661
    Abstract: This disclosure concerns a modification to printing apparatus utilizing flexographic process inks. To insure an adequate supply of ink to the anilox roll, a barrier, preferably in the form of an idler roll, is provided to reduce the rate at which ink is recirculated back to the supply.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: February 5, 1980
    Assignee: FMC Corporation
    Inventor: William J. Vieau