Patents Examined by Alexander Zephir
  • Patent number: 10767814
    Abstract: The present disclosure relates to a pressure vessel equipped with a permeated gas discharging structure, the pressure vessel including a nozzle boss into and from which a gas flows and is discharged; a liner coupled to a flange portion of the nozzle boss and provided with a space formed therein for receiving fluid; a discharge path forming part configured to form a gas discharging path from the nozzle boss side along an outer surface of the liner in a central axial direction; and a composite material provided at outer sides of the liner and the discharge path forming part.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: September 8, 2020
    Inventors: Jae Han Chung, Hyun Joon Lee, Ki Ho Hwang, Gye Hyoung Yoo, Seok Bong Heo, Jong Lyul Kim
  • Patent number: 10689191
    Abstract: Disclosed is an apparatus for trapping of dirt and dust, being emptied from a vacuum canister or a refuse canister, into a trash container. The apparatus comprises of: (1) a container, for collecting the dirt and dust, having a closed bottom and an open top, designed to provide access to the internal chamber of the container; (2) flexible membranes, for preventing the entrapped dust from exiting the container; (3) a lid for holding the membranes in position to cover the open top of the container; (4) a living hinge system, for locking the lid to the container; (5) a mortise and tenon joint system, for releasably attaching the membranes to the lid.
    Type: Grant
    Filed: September 22, 2018
    Date of Patent: June 23, 2020
    Inventor: Diana Gladbach