Patents by Inventor John William Gatiss

John William Gatiss 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).

  • Pulse dampers for liquid chromatography
    Patent number: 4024061
    Abstract: In a liquid chromatograph apparatus, a pulse damper consists of a block of solid material almost filling the cavity of the damper, for example a polytetrafluoroethylene block occupying 99% of the volume of the cavity but arranged to move freely therein.
    Type: Grant
    Filed: August 26, 1975
    Date of Patent: May 17, 1977
    Assignee: Pye Limited
    Inventor: John William Gatiss