Patents by Inventor Boon Leng CHUA

Boon Leng CHUA 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).

  • Vent for a liquid container
    Patent number: 9308732
    Abstract: In one example, a sealable vent for an ink cartridge or other liquid container includes a recess having a sloping first wall and a removable cover covering the recess and sealing the vent.
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: April 12, 2016
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Boon Leng Chua, Sittampalam Paranan, Ping Siew Kwok, Swei Jen Wong
  • VENT FOR A LIQUID CONTAINER
    Publication number: 20150328898
    Abstract: In one example, a sealable vent for an ink cartridge or other liquid container includes a recess having a sloping first wall and a removable cover covering the recess and sealing the vent.
    Type: Application
    Filed: September 25, 2012
    Publication date: November 19, 2015
    Inventors: Boon Leng CHUA, Sittampalam PARANAN, Ping Siew KWOK, Swei WONG