Patents by Inventor Fung Wan Connie Yu

Fung Wan Connie Yu 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).

  • Piercing device for gas bottle, magazine and pistol comprising the same
    Patent number: 10151553
    Abstract: A piercing device is provided, which comprises a housing movable with respect to a gas bottle holder having a gas bottle held therein; a piercing element received in the housing and configured for piercing into a sealing membrane of the gas bottle; and a stressing element, received in the housing; the piercing element being fixed on one end of the stressing element that is close to the gas bottle; the stressing element being capable of synchronously rotating along with the housing for being inserted into the gas bottle, or individually rotating and moving with respect to the housing for pushing the piercing element to pierce into the sealing membrane or releasing gas inside the gas bottle.
    Type: Grant
    Filed: July 9, 2017
    Date of Patent: December 11, 2018
    Inventor: Fung Wan Connie Yu
  • PIERCING DEVICE FOR GAS BOTTLE, MAGAZINE AND PISTOL COMPRISING THE SAME
    Publication number: 20180188000
    Abstract: A piercing device is provided, which comprises a housing movable with respect to a gas bottle holder having a gas bottle held therein; a piercing element received in the housing and configured for piercing into a sealing membrane of the gas bottle; and a stressing element, received in the housing; the piercing element being fixed on one end of the stressing element that is close to the gas bottle; the stressing element being capable of synchronously rotating along with the housing for being inserted into the gas bottle, or individually rotating and moving with respect to the housing for pushing the piercing element to pierce into the sealing membrane or releasing gas inside the gas bottle.
    Type: Application
    Filed: July 9, 2017
    Publication date: July 5, 2018
    Inventor: Fung Wan Connie Yu