Patents by Inventor James Vern Cunningham

James Vern Cunningham 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).

  • Publication number: 20150135471
    Abstract: A circuit for controlling a motor of a central vacuum system, the motor being configured to operate using an alternating current is disclosed. The circuit includes an alternating current input for receiving the alternating current; a switched-mode power supply (SMPS) for converting the alternating current to a direct current, the SMPS having an alternating current input terminal and a direct current output terminal; and a control switch coupled to the direct current output terminal, wherein only when the control switch is closed is the alternating current received at the motor.
    Type: Application
    Filed: November 19, 2014
    Publication date: May 21, 2015
    Inventor: James Vern CUNNINGHAM
  • Publication number: 20080301903
    Abstract: Handle has status indicators viewable by operator while viewing location being cleaned and using handle in ordinary cleaning position, and light illuminating location being cleaned. Indicators are LED lamps. Light is an LED lamp. Microphone senses particles and illuminates an indicator. Indicators and light are provided in a housing section that forms part of a housing for handle. Housing section may be integrated with the remainder of the housing, or may be unit that fits into remainder of housing. Light has central axis generally parallel, within approximately five degrees from parallel, with cleaning axis of handle. Indicators each have a central axis generally parallel, within approximately 5 degrees from parallel, with cleaning axis of handle. The indicators have limited beam angle. Indicator viewable over grasping section of handle from towards distal end of handle. The cleaner may be a vacuum cleaner, which may be a central vacuum cleaner.
    Type: Application
    Filed: September 16, 2005
    Publication date: December 11, 2008
    Applicant: Cube Investments Limited
    Inventors: James Vern Cunningham, Paul Charlebois, Tasneem Babul Rayani, Paul Arato