Patents by Inventor Thomas James Wethern

Thomas James Wethern 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).

  • Sonar system for remote vehicle
    Patent number: 8989947
    Abstract: A SONAR system for use with a robotic vacuum having SONAR emitters and receivers thereon. The SONAR system comprises a waveguide or horn located in front of the emitters and receivers that can improve the overall target resolution and reduce the number of “dead zones” where targets are not easily resolved.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: March 24, 2015
    Assignee: iRobot Corporation
    Inventor: Thomas James Wethern