Patents by Inventor Kwok Keung Chan

Kwok Keung 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).

  • Patent number: 9725647
    Abstract: An anti-counterfeiting yarn includes a uniformly distributed up-conversion fluorescent material and a polymer, wherein the up-conversion fluorescent material comprises a maximum weight percent of about 1.8%. A method of preparing an anti-counterfeiting yarn includes mixing functional polymer chips containing up-conversion fluorescent material with polymer chips not containing up-conversion fluorescent material in a ratio such that the fluorescent material is uniformly distributed in the mixture, melting the mixture, extruding the melt into filaments, and producing anti-counterfeiting yarn through spinning and drawing the filaments.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: August 8, 2017
    Assignee: Techid Limited
    Inventors: Kwok Keung Chan, Chun Yu Yeung, Chin Ho So
  • Publication number: 20160119465
    Abstract: The invention provides a smart remote control device for electric lift table, which belongs to lift table technical field. The invention comprises a control power module, an actuation power module, at least one intelligent terminal with Bluetooth function, a Bluetooth module, a MCU unit, a motor driving module, at least one linear motor and at least one speed encoder. The control power module connects to the Bluetooth module, the MCU unit and the speed encoder module respectively. The actuation power module output connect to an input of the motor driving module, an output of the motor driving module connects to the linear motor. The speed encoder is connected with the linear motor. Said intelligent terminal with Bluetooth function is wirelessly connected to the Bluetooth module. Said MCU unit is respectively connected with the Bluetooth module, the motor driving module and the speed encoder.
    Type: Application
    Filed: March 23, 2015
    Publication date: April 28, 2016
    Inventor: Kwok Keung Chan
  • Publication number: 20090095822
    Abstract: A spray head suitable for a spray bottle is provided. The spray head has a container and a lid covering the container. The container communicates with the interior of the bottle. The lid of the spray head which is secured to the bottle may be opened and water or fluid may be filled into the bottle by charging the water or fluid into container of the spray head.
    Type: Application
    Filed: October 16, 2007
    Publication date: April 16, 2009
    Inventors: Kwok-Fai Chen, Kwok-Keung Chan
  • Patent number: 6315255
    Abstract: A handset holder, such as a handsfree car kit, is disclosed. The car kit comprises a cradle (21) for carrying the handset and a cradle release mechanism (22) for releasably attaching the cradle (21) to a mount (23) fixed, for example to a vehicle dashboard. The holder comprises locating means comprising a tongue and groove for guiding the tongue to a position where the cradle and mount become latched.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: November 13, 2001
    Assignee: Nokia Mobile Phones Limited
    Inventors: Kwok Keung Chan, Ip Pui Wah
  • Patent number: 6317588
    Abstract: An improved LCD display module for use in a radio telephone has integrated side keys which simplify the assembly of the telephone and provide other advantages.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: November 13, 2001
    Assignee: Nokia Mobile Phones Limited
    Inventors: Alastair Stuart Curtis, Kwok Keung Chan