Patents by Inventor Chiey-Yi Wang

Chiey-Yi Wang 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: 4779534
    Abstract: This invention concerns a rocket firecracker giving out smoke before flying up. It comprises a shooting-up tube, a smoke tube, a fuse, a flying wing, and a launch pad. The shooting-up tube not only contains shooting-up chemicals but also the smoke tube filled with smoking chemicals set inside its lower part and when the smoking chemicals have been burned up giving out a lot of smoke and the firecracker has flown up in the air for a short while with the shooting-up chemicals being burned, the smoke tube with its chemicals burned up can be blown off the shooting-up tube and fall down, but the firecracker still continues to fly up till all the shooting-up chemicals are used up.
    Type: Grant
    Filed: November 10, 1987
    Date of Patent: October 25, 1988
    Inventor: Chiey-Yi Wang