Patents by Inventor Leong Kheng Yap

Leong Kheng Yap 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).

  • Sound producing apparatus
    Patent number: 6749481
    Abstract: Sound producing apparatus (20) is disclosed which simulates a fire cracker. The apparatus comprises a selectively actuatable aerosol (24) which fills a chamber (35) with compressed fluid which, when a certain pressure is reached, blows off a cap (38) creating a shower of confetti (39) and a loud bang. In other embodiments, a plurality of elastomeric members filled with compressed air which are ruptured or a selectively operable compressed fluid container formed by the apparatus housing, art used to create a similar effect.
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: June 15, 2004
    Assignee: TechnoCracker Private Limited
    Inventors: Leong Kheng Yap, Tiang See Neo