Patents by Inventor Sheue-Ing Tsai

Sheue-Ing Tsai 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: 7192038
    Abstract: A structure of a foot propelled scooter is described. Because foot propelled scooter is put into motion by using foot oscillation, thus creating an effect of exercise and frolic to the rider. The foot propelled scooter has a steering handle which is operatively coupled to a set of front wheels, the steering handle is rotatable in a steering column, a retractable bar is pivotally attached to the steering column, an adjustable rear bar is adjustably and pivotally attached to the retractable bar, a foot frame having a set of wheels disposed underneath is pivotally mounted on each end part of the adjustable rear bar. A foot brake controllable by a foot is mounted on retractable bar. The rider swings both feet alternately in a forward and a backward direction to make a pushing contact to put the scooter into forward motion.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: March 20, 2007
    Inventor: Sheue-Ing Tsai
  • Publication number: 20040032105
    Abstract: A structure of a foot propelled scooter is disclosed. Because foot propelled scooter is put into motion by using foot oscillation, thus creating an effect of exercise and frolic to the rider. The foot propelled scooter comprises a steering handle which is operatively coupled to a set of front wheels, the steering handle is rotatable in a steering column, a retractable bar is pivotally attached to the steering column, an adjustable rear bar is adjustably and pivotally attached to the retractable bar, a foot frame comprising a set of wheels disposed underneath is pivotally mounted on each end part of the adjustable rear bar. A foot brake controllable by a foot is mounted on retractable bar. The rider swings both feet alternately in a forward and a backward direction to make a pushing contact to put the scooter into forward motion.
    Type: Application
    Filed: August 13, 2002
    Publication date: February 19, 2004
    Inventor: Sheue-Ing Tsai