Patents by Inventor Sau Van Vo

Sau Van Vo 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).

  • Precision liquid mixing apparatus and method
    Patent number: 6880727
    Abstract: A system, apparatus and method is disclosed for providing a consistent liquid mixture according to a predetermined recipe for use at a point of use. The apparatus includes a plurality of liquid component reservoirs in which a constant gas pressure is maintained. A plurality of valves are provided, with individual valves connected to an outlet port of each reservoir. An electronic controller controls the valve actuation in a repetitive sequence to discharge predetermined doses of selected liquid components for mixing to form the consistent liquid mixture. A mixing section receives the sequence of doses to mix them together to form the liquid mixture.
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: April 19, 2005
    Assignee: The BOC Group, Inc.
    Inventors: Peter Martin Pozniak, Charles Andre Provost, Rakesh Kumar Singh, Sau Van Vo, Benjamin Rush Roberts
  • Precision liquid mixing apparatus and method
    Publication number: 20040007592
    Abstract: A system, apparatus and method is disclosed for providing a consistent liquid mixture according to a predetermined recipe for use at a point of use. The apparatus includes a plurality of liquid component reservoirs in which a constant gas pressure is maintained. A plurality of valves are provided, with individual valves connected to an outlet port of each reservoir. An electronic controller controls the valve actuation in a repetitive sequence to discharge predetermined doses of selected liquid components for mixing to form the consistent liquid mixture. A mixing section receives the sequence of doses to mix them together to form the liquid mixture.
    Type: Application
    Filed: April 18, 2003
    Publication date: January 15, 2004
    Applicant: The BOC Group, Inc.
    Inventors: Peter Martin Pozniak, Charles Andre Provost, Rakesh Kumar Singh, Sau Van Vo, Benjamin Rush Roberts
  • Precision liquid mixing apparatus and method
    Patent number: 6616014
    Abstract: A system, apparatus and method is disclosed for providing a consistent liquid mixture according to a predetermined recipe for use at a point of use. The apparatus includes a plurality of liquid component reservoirs in which a constant gas pressure is maintained. A plurality of valves are provided, with individual valves connected to an outlet port of each reservoir. An electronic controller controls the valve actuation in a repetitive sequence to discharge predetermined doses of selected liquid components for mixing to form the consistent liquid mixture. A mixing section receives the sequence of doses to mix them together to form the liquid mixture.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: September 9, 2003
    Assignee: The BOC Group, Inc.
    Inventors: Peter Martin Pozniak, Charles Andre Provost, Rakesh Kumar Singh, Sau Van Vo, Benjamin Rush Roberts
  • Precision liquid mixing apparatus and method
    Publication number: 20020020714
    Abstract: A system, apparatus and method is disclosed for providing a consistent liquid mixture according to a predetermined recipe for use at a point of use. The apparatus includes a plurality of liquid component reservoirs in which a constant gas pressure is maintained. A plurality of valves are provided, with individual valves connected to an outlet port of each reservoir. An electronic controller controls the valve actuation in a repetitive sequence to discharge predetermined doses of selected liquid components for mixing to form the consistent liquid mixture. A mixing section receives the sequence of doses to mix them together to form the liquid mixture.
    Type: Application
    Filed: May 8, 2001
    Publication date: February 21, 2002
    Applicant: The BOC Group, Inc.
    Inventors: Peter Martin Pozniak, Charles Andre Provost, Rakesh Kumar Singh, Sau Van Vo, Benjamin Rush Roberts