Patents by Inventor Wai Suen Wong

Wai Suen Wong 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: 20150079331
    Abstract: The present invention provides a method of powder coating a heat-sensitive item having an edge, which includes sealing the edge against moisture loss from the item, applying powder to a surface of the item, and curing the powder. The present invention also provides another method of powder coating a heat-sensitive item, the method including applying a powder to a surface of the item, heating the surface in a melting stage for between about 60 seconds and about 90 seconds such that the surface has a surface temperature that reaches a maximum that is above a curing temperature to melt the powder, and heating the surface in a curing stage to maintain the surface temperature at the curing temperature for between about 120 seconds and about 180 seconds to cure the powder.
    Type: Application
    Filed: May 25, 2012
    Publication date: March 19, 2015
    Applicant: Superl Technology Limited
    Inventors: Kim Yung Hung, Wai Suen Wong