Patents by Inventor Kam Chau

Kam Chau 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: 20080268748
    Abstract: A method of manufacture of a brassiere comprising the steps of providing a first substrate layer; providing thermoplastic polyurethane (hereinafter “TPU”) base material; heating the TPU base material to a molten state; providing a printing roller having recesses on its outer surface; transferring molten TPU material into a recess on a printing roller; transferring the molten TPU onto the first substrate layer by rolling the printing roller over at least part of a surface of the substrate layer; providing a second substrate layer; compressing the first substrate layer and second substrate layer together with the transferred TPU in between the first substrate layer and second substrate layer; heating the compressed first substrate layer and second substrate layer to melt the transferred TPU between the substrate layers, thereby bonding at least part of the first substrate layer and at least part of second substrate layer together to form a laminate; cutting the laminate to form a shape suitable for use in a bra
    Type: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: Guoxian Huang, Kam Chau Chang, Arnoldus Johannes Maria Berkhout
  • Patent number: 7086229
    Abstract: The invention relates to a piston having a valve arrangement for a vehicle hydraulic brake system comprising a piston channel penetrating the piston, a valve seat formed around an opening of the piston channel, and a valve element, which is displaceable relative to the piston and which for sealing the piston channel is positionable in a fluid-tight manner against the valve seat, wherein the valve seat takes the form of an annular projection on a sealing component, which comprises an elastic sealing element and a support element, which stabilizes the sealing element, and wherein the support element is designed in a region close to the sealing projection with a corresponding annular recess.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: August 8, 2006
    Assignee: Lucas Automotive GmbH
    Inventors: Markus Mallmann, Dirk Runkel, Kam Chau
  • Publication number: 20050229774
    Abstract: The invention relates to a piston having a valve arrangement for a vehicle hydraulic brake system comprising a piston channel penetrating the piston, a valve seat formed around an opening of the piston channel, and a valve element, which is displaceable relative to the piston and which for sealing the piston channel is positionable in a fluid-tight manner against the valve seat, wherein the valve seat takes the form of an annular projection on a sealing component, which comprises an elastic sealing element and a support element, which stabilizes the sealing element, and wherein the support element is designed in a region close to the sealing projection with a corresponding annular recess.
    Type: Application
    Filed: June 16, 2005
    Publication date: October 20, 2005
    Inventors: Markus Mallmann, Dirk Runkel, Kam Chau