Patents by Inventor Chuan-Hai Huang

Chuan-Hai Huang 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: 6464302
    Abstract: The present invention relates to the structural improvement of a wheel, and more particularly to an assembled wheel structure that has excellent resilience and no need to fill in air as well as is free of air leakage and easy to be disassembled. The present invention is constructed by a wheel body and a tire, wherein the wheel body is further constructed by a wheel shell and a matching wheel cover, while the tire, made of resilient materials (e.g., plastic, PU, etc.), inside accommodates a resilient inner tire to provide double-layered resiliency. There are several position pads on both sides of the inner circumference of the tire and the position pads 421, 431 on two sides are alternated with each other. A hole 422, 432 is formed on each position pad 421, 431 to allow the position rods to set in place and form a complete wheel structure.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: October 15, 2002
    Inventor: Chuan-Hai Huang
  • Patent number: 6176554
    Abstract: A roller skate wheel includes an outer wheel body defining a receiving space and having an inner wall formed with a first annular flange and a second annular flange spaced from each other, an inner tire received in the receiving space, a first wheel cap secured to the first annular flange, a first bearing received in a first opening defined in the first wheel cap, a second wheel cap secured to the second annular flange and securely coupled with the first wheel cap, and a second bearing received in a second opening defined in the second wheel cap.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: January 23, 2001
    Inventor: Chuan-Hai Huang
  • Patent number: D302453
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: July 25, 1989
    Inventor: Chuan-Hai Huang