Patents by Inventor Walton E. Briggs

Walton E. Briggs 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).

  • Leak detection system with wire probe
    Patent number: 3999065
    Abstract: A leak detection system comprising a mass spectrometer tuned to detect the presence of helium in a gas sample, and a gas sample inlet member comprising a multichannel array of capillary passages. In an ideal embodiment, the gas sample inlet member comprises a segment of commercially obtainable multistrand electrical wire encased in an insulating plastic sheath. The spaces between the individual strands provide the capillary passages for the admission of the gas sample.
    Type: Grant
    Filed: June 5, 1974
    Date of Patent: December 21, 1976
    Assignee: Varian Associates
    Inventor: Walton E. Briggs
  • Method and apparatus for preparing a mass spectrometer leak detector system for operation
    Patent number: 3968675
    Abstract: A leak detector system comprising a mass spectrometer tuned to detect the presence of helium test gas is prepared for operation by reference to the partial pressure of helium in air.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: July 13, 1976
    Assignee: Varian Associates
    Inventor: Walton E. Briggs