Patents by Inventor Wai Tung Ngai

Wai Tung Ngai 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).

  • ANTIMICROBIAL COATINGS AND METAL PRODUCTS CONTAINING THE SAME
    Publication number: 20120225312
    Abstract: Disclosed are an antimicrobial coating and a product comprising the same. Also disclosed are processes for preparing the antimicrobial coating and the metal product comprising the coating.
    Type: Application
    Filed: December 17, 2008
    Publication date: September 6, 2012
    Applicant: Master Technologic Company Limited
    Inventors: Raymond Chin, Wai Tung Ngai
  • Cooking utensils with metallic non-stick coating and methods for making the same
    Patent number: 7942288
    Abstract: Disclosed is a cooking utensil coated with a metallic non-stick coating made of a nickel-aluminum-molybdenum (NiAlMo) alloy mainly composed of nickel aluminum (NiAl), and/or a nickel-chrome-chromic carbide (NiCr—Cr3C2) alloy mainly composed of chromic carbide (Cr3C2). A method for coating a cooking utensil with a metallic non-stick coating is also provided. The metallic non-stick coating of the invention possesses high impact, heat and abrasion resistances.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: May 17, 2011
    Inventors: Raymond Qin, Wai Tung Ngai
  • Cooking UItensils with Metallic Non-Stick Coating and Methods for Making the Same
    Publication number: 20080073357
    Abstract: Disclosed is a cooking utensil coated with a metallic non-stick coating made of a nickel-aluminum-molybdenum (NiAlMo) alloy mainly composed of nickel aluminum (NiAl), and/or a nickel-chrome-chromic carbide (NiCr—Cr3C2) alloy mainly composed of chromic carbide (Cr3C2). A method for coating a cooking utensil with a metallic non-stick coating is also provided. The metallic non-stick coating of the invention possesses high impact, heat and abrasion resistances.
    Type: Application
    Filed: July 14, 2004
    Publication date: March 27, 2008
    Inventors: Raymond Chin, Wai Tung Ngai