Patents by Inventor André Lucas Antunes de Sá

André Lucas Antunes de Sá 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).

  • Compact, low-cost electric field mill
    Patent number: 11362604
    Abstract: An electric field mill (EFM) incorporates a novel rotor and shaft grounding mechanism providing a low-impedance path to ground via a bearing packed with electrically conductive grease. A removable bearing washer allows for servicing. The EFM includes a data processing scheme built around a peak detection algorithm and moving much of the signal processing to digital processing. A GPS disciplined sampling clock and cellular connectivity allow for use and maintenance of arrays of widely scattered EFMs.
    Type: Grant
    Filed: April 19, 2020
    Date of Patent: June 14, 2022
    Assignee: Regents of the University of Colorado
    Inventors: Robert A. Marshall, André Lucas Antunes de Sá, Austin P. Sousa, Alec Viets
  • Compact, Low-Cost Electric Field Mill
    Publication number: 20200336090
    Abstract: An electric field mill (EFM) incorporates a novel rotor and shaft grounding mechanism providing a low-impedance path to ground via a bearing packed with electrically conductive grease. A removable bearing washer allows for servicing. The EFM includes a data processing scheme built around a peak detection algorithm and moving much of the signal processing to digital processing. A GPS disciplined sampling clock and cellular connectivity allow for use and maintenance of arrays of widely scattered EFMs.
    Type: Application
    Filed: April 19, 2020
    Publication date: October 22, 2020
    Inventors: Robert A. Marshall, André Lucas Antunes de Sá, Austin P. Sousa, Alec Viets