Patents by Inventor Hugh Chun

Hugh Chun 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: 11944130
    Abstract: A vaporizer device includes various modular components. The vaporizer device includes a first subassembly. The first subassembly includes a cartridge connector that secures a vaporizer cartridge to the vaporizer device and includes at least two receptacle contacts that electrically communicate with the vaporizer cartridge. The vaporizer device includes a second subassembly. The second subassembly includes a skeleton defining a rigid tray that retains at least a power source. The vaporizer device also includes a third subassembly. The third subassembly includes a plurality of charging contacts that supply power to the power source, and an end cap that encloses an end of the vaporizer device.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 2, 2024
    Assignee: JUUL Labs, Inc.
    Inventors: Samuel C. Anderson, Wei-Ling Chang, Brandon Cheung, Steven Christensen, Joseph Chun, Joseph R. Fisher, Jr., Nicholas J. Hatton, Kevin Lomeli, James Monsees, Andrew L. Murphy, Claire O'Malley, John R. Pelochino, Hugh Pham, Vipul V. Rahane, Matthew J. Taschner, Val Valentine, Kenneth Wong
  • Patent number: 4273158
    Abstract: The invention relates to a pressure pulse dampener device to be used in association with a liquid conduit, said device comprising a pressure vessel having a movable partition therein defining two chambers, each having a port in communication therewith, one of the ports defining a gas port for charging of one of said chambers with gas under pressure and the other, a liquid port, said liquid port having a hollow fitting rigidly secured thereto, said fitting having an inlet port and an outlet port, the fitting having means therein defining a tortuous path for oil under pressure from said inlet port to said outlet port, the liquid port being valve controlled and being in communication with the tortuous path, the device being characterized by incorporating therein in the fluid conduit downstream of the outlet port, a valve controlled outlet through which the liquid may flow, the effective cross sectional area of the outlet being varied automatically responsive to the pressure in the hydraulic system.
    Type: Grant
    Filed: May 9, 1979
    Date of Patent: June 16, 1981
    Assignee: Greer Hydraulics, Incorporated
    Inventor: Hugh Chun