Patents by Inventor Shenjie Guan

Shenjie Guan 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).

  • Weight powered engine and its usage in roller skates, roller blades and electricity generation
    Publication number: 20050046139
    Abstract: This invention describes a compact weight powered engine and its use in building an efficient walking device. The engine utilize the energy people spent walking as the power source to drive a new type of roller skates/roller blades, either directly coupled to a shoe as a single integral unit, or they may be made so as to be attachable to a shoe; or to be use as the power source to generate electricity while walking.
    Type: Application
    Filed: August 26, 2003
    Publication date: March 3, 2005
    Inventor: Shenjie Guan