Patents by Inventor Philjae Hwang

Philjae Hwang 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).

  • Publication number: 20170296958
    Abstract: A cleaner includes: a main body that receives a suction motor; and a filter unit that is detachably coupled to the main body to filter air discharged from the suction motor and includes a ring-shaped filter and a filter frame that receives the ring-shaped filter, wherein the filter frame includes: an inner frame; an outer frame that defines a filter space for receiving the filter in cooperation with the inner frame; and a ring-shaped filter cover that connects the outer frame and the inner frame to each other and has one or more air openings.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 19, 2017
    Inventors: Bohyun NAM, Namhee KIM, Jinju KIM, Hyeonjeong AN, Jungbae HWANG, Philjae HWANG, Mantae HWANG, Eunji SUNG, Taekgi LEE
  • Publication number: 20170280959
    Abstract: A cleaner includes: a main body that has an opening; a suction motor that is disposed in the main body and generates suction force; and a filter unit that includes an exhaust filter for filtering air discharged from the suction motor, the filter unit being inserted into the main body through the opening and being separated from the main body, wherein when the filter unit is combined with the main body, a portion of the filter unit protrudes out of the main body, and a portion of the exhaust filter is positioned inside the main body and the other portion of the exhaust filter is positioned outside the main body.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Inventors: Bohyun NAM, Namhee KIM, Jinju KIM, Hyeonjeong AN, Jungbae HWANG, Philjae HWANG, Mantae HWANG, Eunji SUNG, Taekgi LEE
  • Patent number: 9763549
    Abstract: Disclosed is a vacuum cleaner. The vacuum cleaner includes a suction nozzle housing, an agitator provided within the suction nozzle housing, and a suction channel guiding air sucked into the suction nozzle housing to a dust collector, the agitator includes a body rotatably installed in the suction nozzle housing, brush members disposed on the body in parallel with the center of rotation of the body and combined with the body so as to be fixed, and auxiliary members disposed on the body in parallel with the center of rotation of the body and combined with the body so as to be movable when the body is rotated, and a protrusion overlapping with parts of the brush members and contacting the brush members when the body is rotated is provided in the suction channel.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: September 19, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Kietak Hyun, Philjae Hwang, Mantae Hwang
  • Patent number: 9757001
    Abstract: A vacuum cleaner is provided. The vacuum cleaner includes: a cleaner main body including a nozzle assembly into which air including foreign substances is suctioned, a collecting portion that collects the suctioned foreign substances, a suction device that generates a suction force, and a battery for supplying power to the suction device; and a charging stand including support portions on which the cleaner main body is seated, and a battery charging portion for performing charging of a replacement battery.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: September 12, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Mantae Hwang, Philjae Hwang, Jaeheon Jeong
  • Publication number: 20170238777
    Abstract: A cleaner includes a cleaner body including a main cleaning unit for generating suction force, a nozzle assembly rotatably connected to the cleaner body and including a suction port for sucking in air and dust, and an auxiliary cleaning unit connected to the nozzle assembly and including a cloth supporter to which a cloth is attached. The nozzle assembly includes a front wheel and a rear wheel spaced apart from the front wheel, and a shaft of the rear wheel is relatively movably connected to the nozzle assembly to change a contact area between the cloth and a floor.
    Type: Application
    Filed: February 17, 2017
    Publication date: August 24, 2017
    Inventors: Philjae HWANG, Mantae HWANG, Dongseok KIM
  • Publication number: 20170202421
    Abstract: A cleaner that includes a nozzle assembly; a cleaner body that is coupled to the nozzle assembly; and a water cleaning device that is coupled to the nozzle assembly, the water cleaning device including: a water tank that is configured to hold a cloth and that includes: a water storage area that is configured to store water to provide to the cloth, and an air hole through which air comes in from an outside of the water tank, and a control device that is configured to open or close the air hole and that includes: a movable member that is located outside of the water storage area of the water tank and that is configured to move between a first position and a second position to open or close the air hole is disclosed.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 20, 2017
    Inventors: Philjae HWANG, Mantae HWANG, Jungbae HWANG
  • Publication number: 20170202416
    Abstract: A cleaner that includes a nozzle assembly; a cleaner body that is coupled to the nozzle assembly and that is configured to rotate; and a water cleaning device that is coupled to the nozzle assembly, the water cleaning device including: a water tank that is configured to (i) hold a cloth and (ii) store water to provide to the cloth and that includes an air hole through which air enters the water tank from outside of the water tank, and an adjusting device that is configured to open or close the air hole based on a rotation of the cleaner body is disclosed.
    Type: Application
    Filed: January 19, 2017
    Publication date: July 20, 2017
    Inventors: Philjae HWANG, Mantae HWANG, Jungbae HWANG
  • Publication number: 20160088987
    Abstract: The vacuum cleaner includes: a vacuum cleaner main body including a suction device generating a suction force; a nozzle assembly connected with the main body and configured to suction air by the suction force of the suction device; a connector configured to connect the nozzle assembly with the main body and rotatably coupled to the nozzle assembly; and a locking unit which locks the main body to maintain a state in which the main body is erect and which unlocks the main body in the locked state by a rotation of the main body.
    Type: Application
    Filed: September 28, 2015
    Publication date: March 31, 2016
    Inventors: Mantae HWANG, Jungbae HWANG, Philjae HWANG
  • Publication number: 20160051109
    Abstract: A vacuum cleaner is provided. The vacuum cleaner includes: a cleaner main body including a nozzle assembly into which air including foreign substances is suctioned, a collecting portion that collects the suctioned foreign substances, a suction device that generates a suction force, and a battery for supplying power to the suction device; and a charging stand including support portions on which the cleaner main body is seated, and a battery charging portion for performing charging of a replacement battery.
    Type: Application
    Filed: July 30, 2015
    Publication date: February 25, 2016
    Inventors: Mantae HWANG, Philjae HWANG, Jaeheon JEONG
  • Publication number: 20150320278
    Abstract: Disclosed is a vacuum cleaner. The vacuum cleaner includes a suction nozzle housing, an agitator provided within the suction nozzle housing, and a suction channel guiding air sucked into the suction nozzle housing to a dust collector, the agitator includes a body rotatably installed in the suction nozzle housing, brush members disposed on the body in parallel with the center of rotation of the body and combined with the body so as to be fixed, and auxiliary members disposed on the body in parallel with the center of rotation of the body and combined with the body so as to be movable when the body is rotated, and a protrusion overlapping with parts of the brush members and contacting the brush members when the body is rotated is provided in the suction channel.
    Type: Application
    Filed: July 29, 2014
    Publication date: November 12, 2015
    Inventors: Kietak HYUN, Philjae Hwang, Mantae Hwang