Patents by Inventor Ronald Allan Sackowitz

Ronald Allan Sackowitz 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).

  • Device for locking rotatable shafts having stop plates
    Patent number: 5797285
    Abstract: A locking device for a valve having a rotatable shaft including a stop plate, and a stop secured to a housing, including a hollow body having a first chamber for receiving the shaft, a threaded aperture extending into the first chamber for receiving a screw, a second chamber surrounding the screw, a lockable closure preventing access to the screw, and a tab coupled to the hollow body adapted to be received between the stop plate and the stop.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: August 25, 1998
    Inventor: Ronald Allan Sackowitz