Patents by Inventor Heung Yeung Li

Heung Yeung Li 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).

  • Various motor assembly
    Publication number: 20110095635
    Abstract: A various motor assembly comprises at least one single motor allowing to enter a coding position at instant; a single-layer circular or cylindrical motor unit comprised of the at least one single motor; a multi-layer cylinder motor set piled from the single-layer circular or cylindrical motor unit, and including piled and horizontal cylinders, circular cylinders and conical cylinders, wherein the conical cylinders are numbered and located at aligned or unaligned positions.
    Type: Application
    Filed: August 1, 2009
    Publication date: April 28, 2011
    Inventors: Heung Yeung Li, Chun Man Li