Patents by Inventor Russell Stephen Smith

Russell Stephen Smith 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).

  • Seismic-detection sensor device for vertical transportation equipment
    Patent number: 10302784
    Abstract: A seismic-detection sensor device includes two accelerometers having different sensitivities. The seismic-detection sensor device provides excellent precision and operability monitoring.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: May 28, 2019
    Assignee: Draka Elevator Products, Inc.
    Inventor: Russell Stephen Smith
  • Seismic-Detection Sensor Device for Vertical Transportation Equipment
    Publication number: 20150219777
    Abstract: A seismic-detection sensor device includes two accelerometers having different sensitivities. The seismic-detection sensor device provides excellent precision and operability monitoring.
    Type: Application
    Filed: January 29, 2015
    Publication date: August 6, 2015
    Inventor: Russell Stephen Smith