Patents by Inventor Jason Cheetham

Jason Cheetham 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).

  • Memory Wire Rotary Actuator
    Publication number: 20080271470
    Abstract: A timer is provided. The timer includes a rotatable electrically non-conducting ratchet gear, an electrically conducting pawl mechanism, and an electronic drive circuit. The ratchet gear has a plurality of teeth. The electrically conducting pawl mechanism includes a pawl configured to engage one of the plurality of teeth on the ratchet gear. The an electronic drive circuit is electrically coupled to the pawl mechanism. The electronic drive circuit passes a current through the pawl mechanism such that the pawl advances the ratchet gear by one tooth pitch.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 6, 2008
    Applicant: ROBERTSHAW CONTROLS COMPANY
    Inventors: Jason Cheetham, Andrew J. Palmer