Patents by Inventor Keith Norman McMann

Keith Norman McMann 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).

  • Optical flow measuring device and method of operation
    Patent number: 9927273
    Abstract: A flow measuring device, comprising a container for receiving a flow of liquid, a plurality of optical sensors associated with the container, each of the plurality of optical sensors producing an output signal dependent upon the presence of liquid reaching a level in the container associated with each optical sensor, means for modifying the output signal in accordance with at least one predetermined temperature compensation factor, and means for calculating a flow rate from the time at which the liquid traverses between two levels in the container.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: March 27, 2018
    Assignee: Fluke Electronics Corporation
    Inventors: Malcolm Charles Brown, Keith Norman McMann
  • OPTICAL FLOW MEASURING DEVICE AND METHOD OF OPERATION
    Publication number: 20150149099
    Abstract: A flow measuring device, comprising a container for receiving a flow of liquid, a plurality of optical sensors associated with the container, each of the plurality of optical sensors producing an output signal dependent upon the presence of liquid reaching a level in the container associated with each optical sensor, means for modifying the output signal in accordance with at least one predetermined temperature compensation factor, and means for calculating a flow rate from the time at which the liquid traverses between two levels in the container.
    Type: Application
    Filed: November 21, 2014
    Publication date: May 28, 2015
    Inventors: Malcolm Charles Brown, Keith Norman McMann