Patents by Inventor Ron C. Y. Hui

Ron C. Y. Hui 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: 7802655
    Abstract: A solid composition stick applicator is provided. The applicator comprises an applicator body having a first and second end, the second end having an opening through which a solid composition stick is dispensed. Within the applicator is housed a helical tension spring having a first spring end and a second spring end, the first spring end, second spring end, or both the first and second spring end held at a fixed position with respect to the applicator body. The helical tension spring is wound around a guide system that is housed within the applicator body. A pushing assembly is attached to the helical tension spring and the pushing assembly is movable from a first position at or near the first end of the applicator body, to a second position at or near the second end of the applicator body. Tension within the helical tension spring is greater in the first position than in the second position thereby urging the pushing assembly towards the second end of the applicator body.
    Type: Grant
    Filed: September 8, 2004
    Date of Patent: September 28, 2010
    Assignee: Kelsan Technologies Corp.
    Inventors: Jonathan de Wet, Ron C. Y. Hui, Douglas Robert McKay, Zdravko Zdjelar, Robert J. Harris
  • Patent number: 6854908
    Abstract: An applicator for a circular arc-shaped solid composition comprises a housing defining a conduit that is sized to accept the circular arc-shaped solid composition stick. The conduit has a first end and a second end, the second end being open, and has a continuous circular arc-shape from the first end to the second end. The housing also contains one, or more than one opening for engaging a fastener. Each one of the one, or more than one opening is of a sufficient size to permit at least partial lateral movement of the fastener. Also included in the housing are an inlet and an outlet in communication with the conduit, the outlet being in communication with the second end, and a biasing assembly for advancing the circular arc-shaped solid composition stick within the conduit. The position of the applicator of the present invention relative to a surface to be treated can be easily adjusted by laterally sliding the housing of the applicator relative to its mounting bracket.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: February 15, 2005
    Assignee: Kelsan Technologies Corp.
    Inventors: Ron C. Y. Hui, Jonathan deWet, Chris Dale, Malcolm Curtis
  • Publication number: 20040179887
    Abstract: The present application relates to an applicator for an arc-shaped solid composition stick. The applicator comprises a housing defining an arc-shaped conduit that is sized to accept the arc-shaped solid composition stick. The housing also contains one, or more than one opening for engaging a fastener. Each one of the one, or more than one opening is of a sufficient size to permit at least partial lateral movement of the fastener. Also included in the housing are an inlet and an outlet in communication with the conduit, and a biasing assembly for advancing the arc-shaped solid composition stick within the arc-shaped conduit. The position of the applicator of the present invention relative to a surface to be treated can be easily adjusted by laterally sliding the housing of the applicator relative to its mounting bracket.
    Type: Application
    Filed: March 14, 2003
    Publication date: September 16, 2004
    Inventors: Ron C.Y. Hui, Jonathan deWet, Chris Dale, Malcolm Curtis