Patents by Inventor Patrick F. McGrath

Patrick F. McGrath 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: 11740069
    Abstract: An improved inductive sensor determines angular positions for rotating objects, such as rotors of synchronous electric motors. The inductive sensor includes an arcuate transmitter coil, one or more receiver coils, and a conductive target configured to rotate with the rotating object, relative to the transmitter coil and the receiver coil(s). The conductive target includes a plurality of lobes and individual of the lobes is split into multiple lobe portions.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: August 29, 2023
    Inventors: James M. Maloof, Patrick F. McGrath
  • Publication number: 20230204338
    Abstract: An improved inductive sensor determines angular positions for rotating objects, such as rotors of synchronous electric motors. The inductive sensor includes an arcuate transmitter coil, one or more receiver coils, and a conductive target configured to rotate with the rotating object, relative to the transmitter coil and the receiver coil(s). The conductive target includes a plurality of lobes and individual of the lobes is split into multiple lobe portions.
    Type: Application
    Filed: December 29, 2021
    Publication date: June 29, 2023
    Inventors: James M. Maloof, Patrick F. McGrath