Patents by Inventor F. S. Kwong

F. S. Kwong 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).

  • Publication number: 20220280272
    Abstract: An air-water syringe device created with a cylinder enclosing separate water and air channels designed to allow the air channel to be diverted by a minimum of 2 guide vanes at the exit of the device to direct the water flow as desired by the user. A minimum of 1 air channel is disclosed which encompasses the entire inner circumference of the cylinder of the device. The inclination of the guide vanes can be designed with desired angles but typically the angle of inclination of the guide vanes is between a range of 46° and 28°. The device can be designed with a flexible section and with finger grips as desired.
    Type: Application
    Filed: March 8, 2021
    Publication date: September 8, 2022
    Applicant: Medicom Group Inc.
    Inventors: F. S. Kwong, W. Y. Tam