Patents by Inventor Miguel Angel Chung

Miguel Angel Chung 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).

  • Multiple Speed Planetary Gear Hub for a Stepping Motion Propelled Bicycle, tricycle or Vehicle
    Publication number: 20140339787
    Abstract: The invention relates to a multiple speed planetary gear hub for a stepping motion lever propelled bicycle, tricycle or vehicle. The planetary gear hub consist of two or more planetary gear sets mounted in series rotatable around a drive shaft, and a speed selector or control device to select the desired gear ratios.
    Type: Application
    Filed: May 16, 2013
    Publication date: November 20, 2014
    Inventor: Miguel Angel Chung