Patents by Inventor Kenneth George Packer

Kenneth George Packer 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).

  • Vacuum gauge
    Patent number: 7165458
    Abstract: A thermal conductivity type pressure gauge comprises a gauge head (2) being rotatably mountable in a vessel whose environmental pressure is to be measured and an elongate electrical filament (6) mounted in the gauge head, the gauge head (2) having an inlet where through the electrical filament is exposed to the environmental pressure within the vessel and the filament (6) having directional component lengths in two orthogonal axes, one of the orthogonal axes X—X being parallel to the axis of rotation of the gauge head (2).
    Type: Grant
    Filed: June 6, 2003
    Date of Patent: January 23, 2007
    Assignee: The BOC Group plc
    Inventors: Kenneth George Packer, Matthew Key