Patents by Inventor Lance Yan Lee

Lance Yan Lee 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: 10704390
    Abstract: Disclosed herein is a revised version of housing wheel engine with method of hypotrochoid that patented U.S. Pat. No. 7,730,869. It keeps the main functions and also provides not only cases Rr?3 but also cases Rr2 and Rr1, which means it has been able to develop engines as well as four pistons and two pistons, which the previous version cannot do.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: July 7, 2020
    Inventor: Lance Yan Lee
  • Publication number: 20170350314
    Abstract: Disclosed herein is a revised version of housing wheel engine with method of hypotrochoid that patented U.S. Pat. No. 7,730,869. It keeps the main functions and also provides not only cases Rr?3 but also cases Rr2 and Rr1, which means it would be able to develop engines as well as four pistons and two pistons, which the previous version cannot do.
    Type: Application
    Filed: June 6, 2016
    Publication date: December 7, 2017
    Inventor: Lance Yan Lee