Patents by Inventor Michael S. A. Hardy

Michael S. A. Hardy 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).

  • Capacitative weight sensor
    Patent number: 4984128
    Abstract: A load sensor which has an elongate hollow body 11, preferably formed as a metal extrusion, and which forms a first capacitative plate 21. A second parallel capacitative plate 15 is formed on an insulating body which is held in place relative to the extrusion by a resilient support 16. Application of a load to the extrusion causes variation in the gap between the plates of the capacitor, thus affecting the capacitance in a manner which is measured and processed to provide an output signal which is directly proportional to the applied load.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: January 8, 1991
    Inventors: David Cebon, David J. Cole, Michael S. A. Hardy, David E. Newland