Patents by Inventor John Chipperfield

John Chipperfield 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).

  • Ring shaped counter electrode to improve beam stability and compound sensitivity on a ceramic tile type microfluidic device
    Patent number: 9651527
    Abstract: An interface for a mass spectrometer is disclosed comprising a microfluidic substrate, tile or cartridge 1 comprising a liquid chromatography separation column and an electrospray emitter 2. A counter electrode 4 is arranged downstream of a tip of the electrospray emitter 2 and is arranged and adapted to direct ions towards an atmospheric pressure interface or ion inlet aperture 5 of a mass spectrometer.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: May 16, 2017
    Assignee: Micromass UK Limited
    Inventors: David S. Douce, John Chipperfield, Stevan Bajic, James Murphy, David Gordon
  • Ring Shaped Counter Electrode to Improve Beam Stability and Compound Sensitivity on a Ceramic Tile Type Microfluidic Device
    Publication number: 20160153944
    Abstract: An interface for a mass spectrometer is disclosed comprising a microfluidic substrate, tile or cartridge 1 comprising a liquid chromatography separation column and an electrospray emitter 2. A counter electrode 4 is arranged downstream of a tip of the electrospray emitter 2 and is arranged and adapted to direct ions towards an atmospheric pressure interface or ion inlet aperture 5 of a mass spectrometer.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 2, 2016
    Inventors: David S. Douce, John Chipperfield, Stevan Bajic, James Murphy, David Gordon
  • Scientific testing instrument
    Patent number: D1008044
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: December 19, 2023
    Assignee: Micromass UK Limited
    Inventors: John Chipperfield, Arvind Rangan, Andrew Pawson, Arthur Blake