Patents by Inventor Kam Tong Chan

Kam Tong 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).

  • Method of transmitting signals via reinforced steel bar
    Patent number: 7667576
    Abstract: The present invention teaches methods and systems for transmitting signals in a building utilizing the reinforced steel bar structure in the building. The methods and systems allow the transmission and receipt of signals in residences and offices in older buildings while avoiding system reconfiguration, high cost cabling, and over-invasive installation.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: February 23, 2010
    Assignee: The Hong Kong Polytechnic University
    Inventors: Kam-tong Chan, Martin H. L. Chow, Alexander Ping-kong Wai
  • Method of transmitting signals via reinforced steel bar
    Publication number: 20090027174
    Abstract: The present invention teaches methods and systems for transmitting signals in a building utilizing the reinforced steel bar structure in the building. The methods and systems allow the transmission and receipt of signals in residences and offices in older buildings while avoiding system reconfiguration, high cost cabling, and over-invasive installation.
    Type: Application
    Filed: July 23, 2007
    Publication date: January 29, 2009
    Applicant: The Hong Kong Polytechnic University
    Inventors: Kam-tong Chan, Martin H.L. Chow, Alexander Ping-kong Wai
  • Safety bubble cushion bra-sheath
    Patent number: 6857934
    Abstract: A bra sheath comprising a sheath-body and a plurality of lugs attached to the inner surface of an elongated liner. The sheath-body and liner define a tunnel for an underwire. A softness layer is disposed adjacent the liner outer surface. The bra sheath is formed by folding the liner and softness layer along the medial line to form a longitudinally extending internal cavity. The liner and sheath-body are comprised of woven fabrics including interlocking warp and weft threads. At least some of the threads are comprised of heat fusible materials that are melted during processing to bond the woven fabric of the liner and sheath-body.
    Type: Grant
    Filed: July 10, 2003
    Date of Patent: February 22, 2005
    Assignee: Kaiping City Chang Sha Four K Knitters Factory
    Inventor: Kam Tong Chan
  • Safety bubble cushion bra-sheath
    Publication number: 20040014393
    Abstract: A bra sheath comprising a sheath-body and a plurality of lugs attached to the inner surface of an elongated liner. The sheath-body and liner define a tunnel for an underwire. A softness layer is disposed adjacent the liner outer surface. The bra sheath is formed by folding the liner and softness layer along the medial line to form a longitudinally extending internal cavity. The liner and sheath-body are comprised of woven fabrics including interlocking warp and weft threads. At least some of the threads are comprised of heat fusible materials that are melted during processing to bond the woven fabric of the liner and sheath-body.
    Type: Application
    Filed: July 10, 2003
    Publication date: January 22, 2004
    Applicant: Kaiping City Chang Sha Four K Knitters Factory
    Inventor: Kam Tong Chan