Patents by Inventor Po Chun Yip

Po Chun Yip 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: 9889220
    Abstract: An air freshener enhancer includes a base having a support for holding a fragrance composition, first inlet openings for receiving ambient air, first outlet openings positioned adjacent the fragrance composition, and main airflow channels for supplying air from the first inlet openings to the first outlet openings; a fan for blowing the air from the first inlet openings, through the main airflow channels and out through the first outlet openings; and the base further includes second inlet openings in a side wall for receiving ambient air, second outlet openings positioned above the fragrance support, and auxiliary airflow channels positioned between the main airflow channels and extending between the second inlet openings and second outlet openings such that air forced through the main airflow channels results in suction of air through the auxiliary airflow channels and out the second outlet openings into contact with the fragrance composition.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: February 13, 2018
    Assignee: Hometek International Ltd.
    Inventors: Po Chun Yip, Kwok Kuen Tong
  • Publication number: 20180029789
    Abstract: A porous bag for brewing a brewable substance held therein, includes an enclosure bag including walls made from a porous material, with the brewable substance held in the enclosure bag; and an accessible opening in one wall of the enclosure bag for receiving a liquid supply tube therein for supplying liquid to the enclosure bag, the accessible opening preventing the brewable substance from escaping so that the porous bag can be used as a steeping bag in a liquid, while also permitting access to the opening to permit supply of the liquid therein from the liquid supply tube inserted therethrough.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 1, 2018
    Applicant: (PBS) Professional Beauty Supply, Ltd.
    Inventors: Po Chun Yip, Anthony Paul Priley, Robert Felipe
  • Patent number: 6950607
    Abstract: A multi-fragrance scent dispenser includes a housing having an outlet opening; first and second holders in the housing for holding first and second liquid fragrance containers having first and second wicks, respectively, extending out of the first and second liquid fragrance containers; a first heater positioned in the housing to be in surrounding relation to the first wick when the first liquid fragrance container is held by the first holder; a second heater positioned in the housing to be in surrounding relation to the second wick when the first liquid fragrance container is held by the first holder; a control circuit which selectively controls activation of the first and second heaters; and a blocking plate movable relative to the heaters for at least partially blocking escape of evaporated fragrance through the outlet opening from at least one of the first and second wicks.
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: September 27, 2005
    Assignee: Hometek International Ltd.
    Inventors: Po Chun Yip, Arnold Thaler, Robert Fellows
  • Patent number: 6859615
    Abstract: A multi-fragrance scent dispenser includes a housing having an outlet opening; first and second holders in the housing for holding first and second liquid fragrance containers having first and second wicks, respectively, extending out of the first and second liquid fragrance containers; a first heater positioned in the housing to be in surrounding relation to the first wick when the first liquid fragrance container is held by the first holder; a second heater positioned in the housing to be in surrounding relation to the second wick when the first liquid fragrance container is held by the first holder; a control circuit which selectively controls activation of the first and second heaters; and a blocking plate movable relative to the heaters for at least partially blocking escape of evaporated fragrance through the outlet opening from at least one of the first and second wicks.
    Type: Grant
    Filed: May 1, 2003
    Date of Patent: February 22, 2005
    Assignee: Hometek International Ltd.
    Inventors: Po Chun Yip, Arnold Thaler, Robert Fellows
  • Publication number: 20040247301
    Abstract: A multi-fragrance scent dispenser includes a housing having an outlet opening; first and second holders in the housing for holding first and second liquid fragrance containers having first and second wicks, respectively, extending out of the first and second liquid fragrance containers; a first heater positioned in the housing to be in surrounding relation to the first wick when the first liquid fragrance container is held by the first holder; a second heater positioned in the housing to be in surrounding relation to the second wick when the first liquid fragrance container is held by the first holder; a control circuit which selectively controls activation of the first and second heaters; and a blocking plate movable relative to the heaters for at least partially blocking escape of evaporated fragrance through the outlet opening from at least one of the first and second wicks.
    Type: Application
    Filed: May 1, 2003
    Publication date: December 9, 2004
    Inventors: Po Chun Yip, Arnold Thaler, Robert Fellows