Patents by Inventor David Harbottle

David Harbottle 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).

  • Apparatus for inspection of a fluid and method
    Patent number: 8307711
    Abstract: Apparatus for inspection of a fluid comprising: a channel portion, the channel portion having a channel inlet and a channel outlet separate from the channel inlet; a piezoelectric sensor element provided at a sensor position of the channel and arranged to contact fluid flowing through the channel portion from said channel inlet to said channel outlet, the apparatus being configured to determine a difference value being a value corresponding to a difference between a resonant frequency of oscillation of said piezoelectric element at a given moment in time and a reference resonant frequency.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: November 13, 2012
    Assignee: University of Leeds
    Inventors: Simon Biggs, David Harbottle
  • Apparatus for Inspection of a Fluid and Method
    Publication number: 20110000285
    Abstract: Apparatus for inspection of a fluid comprising: a channel portion, the channel portion having a channel inlet and a channel outlet separate from the channel inlet; a piezoelectric sensor element provided at a sensor position of the channel and arranged to contact fluid flowing through the channel portion from said channel inlet to said channel outlet, the apparatus being configured to determine a difference value being a value corresponding to a difference between a resonant frequency of oscillation of said piezoelectric element at a given moment in time and a reference resonant frequency.
    Type: Application
    Filed: February 23, 2009
    Publication date: January 6, 2011
    Applicant: UNIVERSITY OF LEEDS
    Inventors: Simon Biggs, David Harbottle