Patents by Inventor Hong Liang Ng

Hong Liang Ng 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).

  • Light weight building material
    Patent number: 7257932
    Abstract: The present invention relates to a light weight building material (1) for structural work. The light weight building material (1) comprises at least three walls, a first wall (11), a second wall (12) and a third wall (13) formed from a single piece of galvanized iron sheet to form a triangular-section. However, a circular section may also be used while a rectangular section is preferred. The galvanized iron sheet is cut and cold-rolled to form the light weight building material (1).
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: August 21, 2007
    Inventor: Hong Liang Ng
  • Light weight building material
    Publication number: 20020121068
    Abstract: The present invention relates to a light weight building material (1) for structural work. The light weight building material (1) comprises at least three walls, a first wall (11), a second wall (12) and a third wall (13) formed from a single piece of galvanized iron sheet to form a triangular-section. However, a circular section may also be used while a rectangular section is preferred. The galvanized iron sheet is cut and cold-rolled to form the light weight building material (1).
    Type: Application
    Filed: March 5, 2001
    Publication date: September 5, 2002
    Inventor: Hong Liang Ng
  • Metal pipe
    Patent number: D445171
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: July 17, 2001
    Inventor: Hong Liang Ng
  • Metal pipe
    Patent number: D447545
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: September 4, 2001
    Inventor: Hong Liang Ng