Patents by Inventor Pak Hei NG

Pak Hei NG 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: 9572407
    Abstract: A jewelry clasp having a male connector, a female connector, a locking sleeve, chain connectors and locking cylinders. The chain connectors are connected to outer end surfaces of the male connector and the female connector. The locking cylinders are sleeved onto outer ends of the male connector and the female connector. Positioning locking devices which allow the chain connectors, the male connector and the female connector to be connected together are provided between the locking cylinders and the chain connectors. The female connector is sleeved into one end of the locking sleeve, and a locking device is provided between the female connector and the locking sleeve. The male connector is sleeved into another end of the locking sleeve; an inner end of the male connector is coupled with an inner end of the female connector; another locking device is provided between the male connector and the locking sleeve.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: February 21, 2017
    Inventor: Pak Hei Ng
  • Publication number: 20160058136
    Abstract: A user-friendly jewelry chain having a chain, a charm, a stop ring and a clasp; the stop ring has a flexible positioning component; the charm has a positioning through-hole. The charm is sleeved on the stop ring and fixedly positioned on the stop ring. The clasp has a male end, a female end, a locking sleeve, a flexible pin component and a flat spring component. The female end is connected to the chain; the flexible pin component and the flat spring component are respectively mounted on the female end. A pin slot and a flat spring slot are formed in the locking sleeve. The pin slot has horizontal slots and a vertical slot. The female end is sleeved into the locking sleeve. The flexible pin component and flat spring component of the female end respectively act on slot walls of the vertical slot and the flat spring slot.
    Type: Application
    Filed: July 30, 2015
    Publication date: March 3, 2016
    Inventor: Pak Hei NG
  • Publication number: 20160058135
    Abstract: The present invention relates to a jewelry clasp which comprises a male connector, a female connector, a locking sleeve, chain connectors and locking cylinders. The chain connectors are connected to outer end surfaces of the male connector and the female connector. The locking cylinders are sleeved onto outer ends of the male connector and the female connector. Positioning locking means which allow the chain connectors, the male connector and the female connector to be reliably connected together are provided between the locking cylinders and the chain connectors. The female connector is sleeved into one end of the locking sleeve, and a locking means is provided between the female connector and the locking sleeve. The male connector is sleeved into another end of the locking sleeve; an inner end of the male connector is coupled with an inner end of the female connector; a locking means is provided between the male connector and the locking sleeve.
    Type: Application
    Filed: August 6, 2015
    Publication date: March 3, 2016
    Inventor: Pak Hei NG