Patents by Inventor David Joseph Russell

David Joseph Russell 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).

  • Patent number: 6978915
    Abstract: Valve for an aerosol container for a chemical formulation. The valve including a valve body having an inlet port through which the chemical formulation may enter the valve body, an outlet port through which the chemical formulation may exit the valve body, and an open/close mechanism. The open/close mechanism controls flow through the outlet port. The internal surfaces of the valve that come into contact with the chemical formulation include a material with an electrical conductivity greater than 3.8×107??1m?1.
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: December 27, 2005
    Assignee: SmithKline Beecham Corporation
    Inventor: David Joseph Russell
  • Publication number: 20040129737
    Abstract: There is provided a valve for an aerosol container. The valve comprises a valve body; within the valve body, a sealing ring and receivable by the sealing ring, a valve stem having a dispensing passage. The valve stem is slidably movable within the sealing ring from a valve-closed position to a valve-open position in which the interior of the valve body is in communication with the dispensing passage. The sealing ring is shaped such as to reduce the contact area between the sealing ring and the valve stem. Preferably, the valve is a metering valve.
    Type: Application
    Filed: December 18, 2003
    Publication date: July 8, 2004
    Inventors: Gregor John, McLennan Anderson, Mark Andrew Hailey, David Joseph Russell, James William Godfrey