Patents by Inventor Michael Guilhaus

Michael Guilhaus 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).

  • Mass spectrometer
    Patent number: 5117107
    Abstract: A time of flight mass spectrometer includes an ion source (10) a lens system (18, 19) to focus the ions into a beam (21), an orthogonal accelerator (22) comprising two parallel electrodes one of which is a grid through which ions are deflected into a main accelerator and into a flight tube (26). At the distal end of the flight tube (26) is located an ion detector (27) which enables the measurement of the time of flight of ions from the orthogonal accelerator (22) to the detector (27).
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: May 26, 1992
    Assignee: Unisearch Limited
    Inventors: Michael Guilhaus, John H. Dawson