Patents by Inventor Chien P. Yu

Chien P. Yu 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).

  • Combined toy bat and windmill
    Patent number: 5350332
    Abstract: A combined toy bat and windmill which has a toy windmill which is rotatably mounted in a transparent hollow bat through which a number of holes are formed, so that the toy windmill is rotated by means of air which flows through the holes when the hollow bat is swung.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: September 27, 1994
    Inventors: Chien P. Yu, I C. Yu
  • Racket for play and sports
    Patent number: 5326097
    Abstract: A racket including a pair of frames each having a head portion and a handle portion formed integral with each other, an annular space formed between the head portions, and an envelope engaged on a ring which is engaged in the annular space formed by the head portions of the frames, whereby, the envelope and the ring can be easily engaged in the head portions. The envelope forms a ball striking surface.
    Type: Grant
    Filed: March 26, 1992
    Date of Patent: July 5, 1994
    Inventor: Chien P. Yu
  • Articles of play for use in the game of hit and catch
    Patent number: 5080374
    Abstract: Articles of play including a racket having a handle portion and a board portion integrally formed together, the board portion including a plate, a flexible layer and a front layer coupled together, the front layer having all of its front surface defined by VELCRO materials, and a ball having all of its surface defined by VELCRO materials, and the ball can be hit by the plate of the racket and can be caught by the front layer of the racket.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: January 14, 1992
    Inventor: Chien P. Yu