Patents by Inventor Derek A. LESSARD

Derek A. LESSARD 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: 11839345
    Abstract: A robotic cleaner may include a chassis, a single drive wheel rotatably coupled to the chassis, the single drive wheel being configured to rotate about a steering axis and a drive axis, an agitator chamber having an agitator rotatable therein, and a cleaning motor assembly configured to cause the agitator to rotate and further configured to cause air to flow into the agitator chamber.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: December 12, 2023
    Assignee: SharkNinja Operating LLC
    Inventors: Derek A. Lessard, Justin West
  • Publication number: 20230248192
    Abstract: A robotic cleaner may include a body having a top wall, a bottom wall, and a sidewall extending between the top wall and the bottom wall, a suction motor, and at least one air jet assembly configured to encourage generation of a vortex between the body, a surface to be cleaned, and a vertical surface extending from the surface to be cleaned.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 10, 2023
    Inventors: Andre D. BROWN, Scott TEUSCHER, John LEWIS, Chris PAPPAS, Derek A. LESSARD
  • Publication number: 20220125256
    Abstract: A robotic cleaner may include a chassis, a single drive wheel rotatably coupled to the chassis, the single drive wheel being configured to rotate about a steering axis and a drive axis, an agitator chamber having an agitator rotatable therein, and a cleaning motor assembly configured to cause the agitator to rotate and further configured to cause air to flow into the agitator chamber.
    Type: Application
    Filed: October 22, 2021
    Publication date: April 28, 2022
    Inventors: Derek A. LESSARD, Justin WEST