Patents by Inventor Andrew T. ALEXANDER

Andrew T. ALEXANDER 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: 11781898
    Abstract: A product inspection apparatus includes a conveyor system for transporting items. The conveyor system includes a weigh conveyor with a load detector for detecting the weight of items transported on the conveyor system and a transport conveyor adjacent the weigh conveyor. The apparatus also includes a support structure with a support beam. The transport conveyor is mounted to the support beam by at least one support column externally mounted to the support beam such that vibrations are suppressed by the at least one externally mounted support column.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: October 10, 2023
    Assignee: ILLINOIS TOOL WORKS INC.
    Inventors: Hitesh R. Hirani, Andrew T. Alexander
  • Publication number: 20230157575
    Abstract: Systems for evaluating the respiratory function of an individual using forced oscillation technique (FOT) oscillometry include a blower controlled so as to apply FOT pressure oscillations on top of a low amplitude offset pressure. A controller continually adjusts the rotational speed of the blower to maintain a targeted time-varying pressure profile in the breathing air provided to the patient.
    Type: Application
    Filed: November 23, 2022
    Publication date: May 25, 2023
    Inventors: Jesse J. Cole, Patrick A. Lichter, Robert J. Knuesel, Andrew T. Alexander
  • Publication number: 20200300689
    Abstract: A product inspection apparatus includes a conveyor system for transporting items. The conveyor system includes a weigh conveyor with a load detector for detecting the weight of items transported on the conveyor system and a transport conveyor adjacent the weigh conveyor. The apparatus also includes a support structure with a support beam. The transport conveyor is mounted to the support beam by at least one support column externally mounted to the support beam such that vibrations are suppressed by the at least one externally mounted support column.
    Type: Application
    Filed: March 12, 2020
    Publication date: September 24, 2020
    Inventors: Hitesh R. HIRANI, Andrew T. ALEXANDER