Patents by Inventor Mordecki Drori

Mordecki Drori 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).

  • Automatic three-way valve
    Patent number: 5899231
    Abstract: The present invention relates to a method and apparatus incorporating an automatic, three-way valve having inlet, outlet and drain passages and a close-open timing mechanism. The timing mechanism is adjusted to a predetermined period of time in order to close the drain passage and then open the outlet passage or vice-versa automatically after a predetermined period of time in response to the starting or stopping of an external source of pressurized fluid being directed to the three-way valve.
    Type: Grant
    Filed: December 30, 1996
    Date of Patent: May 4, 1999
    Inventor: Mordecki Drori