Patents by Inventor James Bradley Atherton

James Bradley Atherton 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: 11724098
    Abstract: This document describes stepper motor drive systems. The stepper motor drive systems can be used in many different applications including, for example, to drive a stepper motor of an occluder device in association with a heart-lung machine.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: August 15, 2023
    Assignee: Terumo Cardiovascular Systems Corporation
    Inventor: James Bradley Atherton
  • Publication number: 20210236704
    Abstract: This document describes stepper motor drive systems. The stepper motor drive systems can be used in many different applications including, for example, to drive a stepper motor of an occluder device in association with a heart-lung machine.
    Type: Application
    Filed: January 30, 2020
    Publication date: August 5, 2021
    Inventor: James Bradley Atherton