Patents by Inventor Sande Dukas

Sande Dukas 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).

  • Gas flow control device for high purity, highly corrosive gas service
    Patent number: 6003545
    Abstract: A gas flow control device is provided in which a regulator body has an inlet bore and an outlet bore extending therein, into which inlet and outlet sleeves having highly polished inner surfaces are secured, with the inlet and outlet sleeves further having connected thereto, at an exterior of the regulator body, connectors for an inlet line, an inlet pressure gauge, an outlet line and and outlet pressure gauge. The inlet and outlet sleeves are made of corrosion-resistant tubing, as are the connectors, in a preferred embodiment.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: December 21, 1999
    Assignee: Controls Corporation of America
    Inventors: Sande Dukas, Kevin Bailey, John Friedrichs, Robert Cooper, David Durkin