Patents by Inventor Ian Foxwell

Ian Foxwell 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).

  • SPIROMETER
    Publication number: 20150119744
    Abstract: A turbine spirometer comprises a breathing tube into which is subject is to breath and a vane to be driven by the subject's breath. The breathing tube has a first axis A-A at its opening in the direction of air flow and the vane rotates about a second axis B-B. The first A-A and second B-B axes are inclined to one another at angle of around 100 degrees such that in use the axis of rotation B-B is substantially vertical.
    Type: Application
    Filed: March 21, 2013
    Publication date: April 30, 2015
    Applicant: MEDCHIP SOLUTIONS LIMITED
    Inventors: Christopher Lawson, Ian Foxwell