Patents by Inventor Kwan Heng Chan

Kwan Heng Chan 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).

  • Patent number: 11549719
    Abstract: A duct panel, a method of manufacturing a duct panel, a duct section and a method of installing a duct are disclosed. The duct panel includes a laminate structure having an insulation layer disposed between a first support layer and a second support layer, the laminate structure having an end width; and an end cap attached to the end width and configured to be coupled to a mounting flange, wherein the mounting flange is configured to mount the duct panel. The end cap and the mounting flange comprise different materials.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: January 10, 2023
    Assignee: INSTAD PRE FABRICATION PTE LTD
    Inventor: Kwan Heng Chan
  • Publication number: 20190353390
    Abstract: A duct panel, a method of manufacturing a duct panel, a duct section and a method of installing a duct are disclosed. The duct panel includes a laminate structure having an insulation layer disposed between a first support layer and a second support layer, the laminate structure having an end width; and an end cap attached to the end width and configured to be coupled to a mounting flange, wherein the mounting flange is configured to mount the duct panel. The end cap and the mounting flange comprise different materials.
    Type: Application
    Filed: July 25, 2017
    Publication date: November 21, 2019
    Inventor: Kwan Heng CHAN
  • Patent number: D831856
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: October 23, 2018
    Assignee: Instad Pre Fabrication Pte Ltd
    Inventor: Kwan Heng Chan