Patents by Inventor Brian M. Patience

Brian M. Patience 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).

  • Patent number: 5248940
    Abstract: An apparatus for measuring change of position of a rotor in a drive system having a drive rotor and a driven rotor generally concentrically mounted with respect to the drive rotor, the drive and driven rotors being magnetically coupled together. The apparatus includes a conduction device stationarily mounted between the rotors and a device for measuring the EMF (Electro Motive Force) produced in the conduction device as the rotors rotate. The apparatus also includes a device for determining, from the measurement, the relative position of the two rotors and/or the position of one of the rotors.
    Type: Grant
    Filed: May 13, 1992
    Date of Patent: September 28, 1993
    Assignee: HMD Seal/Less Pumps Limited
    Inventors: Brian M. Patience, David A. West, Palmer H. Beam