Patents by Inventor Maggie Cheung

Maggie Cheung 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: 20140123995
    Abstract: A hair styling device heating system, is disclosed comprising a hair styling device having a high heat plastic polymer, an insulating material, an induction material, a conducting material and a high heat plastic polymer and securing all of the layers together. There is a housing for receiving said hair styling device and for heating it therein. The housing includes an induction coil, a control circuit operatively connected to the coil, a resonant capacitor operatively connected to the circuit, a heat sink connected to the capacitor, and a colored heating indication panel attached to the housing and operatively connected to the circuit.
    Type: Application
    Filed: November 6, 2012
    Publication date: May 8, 2014
    Inventors: Maggie Cheung, Kwong Cheung
  • Publication number: 20130019892
    Abstract: A hair curler heating system, is disclosed comprising a hair curler having an induction core, a plastic cage surrounding the core, a conductive conical member surrounding the cage, and an outer plastic conical member having frictional conducting material on its exterior. There is a housing for receiving said curler and for heating it therein. The housing includes an induction coil, a control circuit operatively connected to the coil, a resonant capacitor operatively connected to the circuit, a heat sink connected to the capacitor, and a colored heating indication panel attached to the housing and operatively connected to the circuit.
    Type: Application
    Filed: May 30, 2012
    Publication date: January 24, 2013
    Inventors: Maggie Cheung, Kwong Cheung
  • Publication number: 20130019891
    Abstract: A hair curler heating system, is disclosed comprising a hair curler having a ferro-magnetic core, a plastic outer shell, an insulator therebetween, and a housing for receiving said curler and for heating it therein. The housing includes an induction coil, a control circuit operatively connected to the coil, a resonant capacitor operatively connected to the circuit, a heat sink connected to the capacitor, and a colored heating indication panel attached to the housing and operatively connected to the circuit.
    Type: Application
    Filed: July 21, 2011
    Publication date: January 24, 2013
    Inventors: Maggie Cheung, Kwong Cheung, Pui Nam Chan
  • Patent number: 7398978
    Abstract: The present invention provides a foldable, four-wheel trolley of simple, lightweight construction for use in connection with the transport and storage of items of the type typically used in connection with the operation of beauty salons or similar uses. Moreover, the trolley is easily foldable from an expanded, operating configuration into a compact, folded configuration easy to store and transport when not in use. The trolley has a recessed top tray that is removably connected to the foldable trolley frame, and a plurality of storage drawers are slidably mounted within the foldable trolley frame at locations beneath the top tray and supports for hair dryers.
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: July 15, 2008
    Inventor: Maggie Cheung
  • Publication number: 20070187913
    Abstract: The present invention provides a foldable, four-wheel trolley of simple, lightweight construction for use in connection with the transport and storage of items of the type typically used in connection with the operation of beauty salons or similar uses. Moreover, the trolley is easily foldable from an expanded, operating configuration into a compact, folded configuration easy to store and transport when not in use. The trolley has a recessed top tray that is removably connected to the foldable trolley frame, and a plurality of storage drawers are slidably mounted within the foldable trolley frame at locations beneath the top tray and supports for hair dryers.
    Type: Application
    Filed: January 29, 2007
    Publication date: August 16, 2007
    Inventor: Maggie Cheung
  • Patent number: 7213817
    Abstract: The present invention provides a foldable, four-wheel trolley of simple, lightweight construction for use in connection with the transport and storage of items of the type typically used in connection with the operation of beauty salons or similar uses. Moreover, the trolley is easily foldable from an expanded, operating configuration into a compact, folded configuration easy to store and transport when not in use. The trolley has a recessed top tray that is removably connected to the foldable trolley frame, and a plurality of storage drawers are slidably mounted within the foldable trolley frame at locations beneath the top tray and supports for hairdryers and other types of tools commonly used in the conduct of beauty salon operations are affixed to the trolley. At the same time the apparatus is strong, stable, and, with a plurality of casters rotatably connected to the lower portion of each of the first and second side frames for ease of movement, is easily maneuverable and convenient to use.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: May 8, 2007
    Inventor: Maggie Cheung
  • Publication number: 20070068548
    Abstract: Electrically powered hairstyling implements having heated hair engaging elements that are coated with a specially designed coating compound that comprises a mixture of a ceramic enamel and an ionic mineral. The ionic mineral causes negative ions to be continuously generated from the surfaces of the hair engaging elements which function to reduce or prevent damage to the hair.
    Type: Application
    Filed: September 28, 2005
    Publication date: March 29, 2007
    Inventors: Garrick Wong, Maggie Cheung
  • Publication number: 20060097489
    Abstract: The present invention provides a foldable, four-wheel trolley of simple, lightweight construction for use in connection with the transport and storage of items of the type typically used in connection with the operation of beauty salons or similar uses. Moreover, the trolley is easily foldable from an expanded, operating configuration into a compact, folded configuration easy to store and transport when not in use. The trolley has a recessed top tray that is removably connected to the foldable trolley frame, and a plurality of storage drawers are slidably mounted within the foldable trolley frame at locations beneath the top tray and supports for hairdryers and other types of tools commonly used in the conduct of beauty salon operations are affixed to the trolley. At the same time the apparatus is strong, stable, and, with a plurality of casters rotatably connected to the lower portion of each of the first and second side frames for ease of movement, is easily maneuverable and convenient to use.
    Type: Application
    Filed: November 9, 2004
    Publication date: May 11, 2006
    Inventor: Maggie Cheung
  • Publication number: 20060065280
    Abstract: A hair extension kit, which includes a plurality of hair extensions of novel construction and a method of attaching the hair extensions onto a wearer's natural hair using an easy-to-use attachment system. Each of the hair extensions of the hair extension kit includes a malleable or deformable ring, which circumscribes the legs of an extension loop and an elongated strand of supplemental hair.
    Type: Application
    Filed: September 28, 2004
    Publication date: March 30, 2006
    Inventor: Maggie Cheung
  • Patent number: D502786
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: March 8, 2005
    Inventor: Maggie Cheung
  • Patent number: D505269
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: May 24, 2005
    Inventor: Maggie Cheung
  • Patent number: D489484
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: May 4, 2004
    Inventor: Maggie Cheung
  • Patent number: D683500
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: May 28, 2013
    Inventor: Maggie Cheung
  • Patent number: D700740
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: March 4, 2014
    Inventor: Maggie Cheung
  • Patent number: D766589
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: September 20, 2016
    Inventor: Maggie Cheung
  • Patent number: D782125
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: March 21, 2017
    Assignee: TOMOFUN CO., LTD.
    Inventors: Chih-Hsin Tseng, Yo Chen Victor Chang, Yuk Man Maggie Cheung, Kang-Ning Shan
  • Patent number: D787834
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: May 30, 2017
    Inventor: Maggie Cheung
  • Patent number: D840102
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: February 5, 2019
    Inventor: Maggie Cheung
  • Patent number: D840103
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: February 5, 2019
    Inventor: Maggie Cheung
  • Patent number: D849417
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: May 28, 2019
    Inventor: Maggie Cheung