Patents by Inventor Sin Kwok

Sin Kwok 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).

  • Humidifier with sliding water tanks
    Publication number: 20070075446
    Abstract: A freestanding humidifier is provided with a movable base tray which is adapted to slide into and out of the bottom rear portion of the humidifier housing. The base tray is contoured to receive a pair of large volume water tanks which can be easily removed, refilled and reinstalled on the base tray. A large diameter fan is mounted in the humidifier and positioned to exhaust air in a substantially horizontal flow path from the humidifier into the ambient surroundings.
    Type: Application
    Filed: September 28, 2006
    Publication date: April 5, 2007
    Inventors: Glenn Bushee, Sin Kwok, Li Zheng, Sanjay Varma