Patents by Inventor Dongkwon AN

Dongkwon AN 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: 12616856
    Abstract: A mask apparatus that includes a mask body including: a front body; and a rear body coupled to a rear surface of the front body and from which a pair of accommodation portions protrudes forward; a face guard coupled to a rear surface of the rear body configured to contact a user's face and define a breathing space formed therein; a fan module seated in the accommodation portion; a flow guide placed on a rear surface of the fan module and defining a portion of a discharge port communicating with the breathing space; a filter seated on the flow guide; and a filter housing rotatably connected to the rear body to cover the filter, in which the filter housing includes: a plurality of filter frames; a filter cover; a hinge; and a fastening hook.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: May 5, 2026
    Assignee: LG Electronics Inc.
    Inventors: Yeongcheol Mun, Dongkwon An, Sejeong Ahn
  • Patent number: 12611557
    Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body, accommodating a portion for user's face, and defining a respiration space, an air cleaning module mounted on the rear body, purifying air introduced into the inlet, and supplying the purified air to the respiration space, a main control module mounted on the front surface of the rear body, and a battery mounted on the front surface of the rear body corresponding to a lower side of the main control module. The main control module includes: a main control substrate, a first electric part component mounted on a front surface of the main control substrate, and a second electric part component mounted on a rear surface of the main control substrate.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: April 28, 2026
    Assignee: LG Electronics Inc.
    Inventors: Dongeun Kim, Dongkwon An, Youngho Jo, Yeongcheol Mun, Jihoon Bae
  • Patent number: 12605573
    Abstract: A mask apparatus that includes a mask body including a front body; and a rear body coupled to a rear surface of the front body and from which a pair of accommodation portions protrudes forward; a face guard coupled to a rear surface of the rear body to contact a user's face and define a breathing space therein; a fan module seated in the accommodation portion; a flow guide provided at a rear surface of the fan module and defining a portion of a discharge port communicating with the breathing space; a filter seated on the flow guide; and a filter housing rotatably coupled to the rear body to cover the filter, in which a guide shoulder is rounded and protrudes from the side of the flow guide, and in which guide grooves are defined on the side of the filter housing.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: April 21, 2026
    Assignee: LG Electronics Inc.
    Inventors: Yeongcheol Mun, Dongkwon An, Sejeong Ahn
  • Patent number: 12582178
    Abstract: A mask apparatus includes a mask body that defines a suction hole and a discharge hole, a face guard detachably coupled to the mask body by magnetic force and configured to contact a face of a user, and an air cleaning module configured to filter external air and to supply the filtered air to a breathing space. The face guard includes a coupling portion facing a rear surface of the mask body. The coupling portion includes a magnetic body and a magnetic body mounting portion that receives the magnetic body. The magnetic body mounting portion includes a mounting portion body that protrudes forward from an outer surface of the coupling portion and an insertion guide rib disposed inside the mounting portion body, where the mounting portion body and the insertion guide rib are spaced apart from each other to thereby define an insertion hole that receives the magnetic body.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: March 24, 2026
    Assignee: LG Electronics Inc.
    Inventors: Sejeong Ahn, Sangkyun Baek, Dongkwon An, Yeongcheol Mun, Dongeun Kim
  • Patent number: 12521579
    Abstract: A mask apparatus includes a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body and defining a respiration space, and an air cleaning module purifying air introduced into the inlet and supplying the purified air to the respiration space. A portion of the rear body defines an accommodation portion accommodating the air cleaning module. The air cleaning module includes a fan module disposed at a seating portion of the accommodation portion, a filter disposed at a rear side of the fan module and purifying air flowing into the fan module, and a filter housing including a filter frame surrounding a side surface of the filter and a filter cover covering a rear surface of the filter. The inlet is provided at the filter cover.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: January 13, 2026
    Assignee: LG Electronics Inc.
    Inventors: Yeongcheol Mun, Sangkyun Baek, Dongkwon An, Dongeun Kim, Sejeong Ahn
  • Patent number: 12465793
    Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body and defining a respiration space, and an air cleaning module purifying air introduced into the inlet and supplying the purified air to the respiration space. Each of left and right edges of the rear body provides a strap connection portion into which a strap is coupled. The strap connection portion includes: a strap recess provided at a rear surface of the rear body, a strap hole defined in the strap recess, a strap bar connecting upper and lower surfaces of the strap recess and spaced apart from the strap hole, and a waterproof sleeve extending from the front surface of the rear body along an edge of the strap hole.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: November 11, 2025
    Assignee: LG Electronics Inc.
    Inventors: Yongmin Kim, Hojung Kim, Dongkwon An, Yeongcheol Mun, Chiyoung Choi
  • Patent number: 12453872
    Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body, accommodating a user's face, and defining a respiration space, and an air cleaning module purifying air introduced into the inlet and supplying the purified air to the respiration space. A portion of the rear body protrudes toward the front body and defines an accommodate portion. The air cleaning module includes: a fan module disposed at the accommodation portion and defining an opening, a flow guide covering the opening, a filter disposed at a rear surface of the flow guide, and a filter housing covering a rear surface of the filter. The flow guide defines a communication hole guiding air passing through the filter to an inside of the fan module.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: October 28, 2025
    Assignee: LG Electronics Inc.
    Inventors: Yongmin Song, Dongkwon An, Yeongcheol Mun, Dongeun Kim, Sejeong Ahn
  • Publication number: 20240042251
    Abstract: A mask apparatus that includes a mask body including: a front body; and a rear body coupled to a rear surface of the front body and from which a pair of accommodation portions protrudes forward; a face guard coupled to a rear surface of the rear body configured to contact a user's face and define a breathing space formed therein; a fan module seated in the accommodation portion; a flow guide placed on a rear surface of the fan module and defining a portion of a discharge port communicating with the breathing space; a filter seated on the flow guide; and a filter housing rotatably connected to the rear body to cover the filter, in which the filter housing includes: a plurality of filter frames; a filter cover; a hinge; and a fastening hook.
    Type: Application
    Filed: December 14, 2022
    Publication date: February 8, 2024
    Inventors: Yeongcheol MUN, Dongkwon AN, Sejeong AHN
  • Publication number: 20240042250
    Abstract: A mask apparatus according to an implementation of the present disclosure includes a front body; a rear body which is configured to be coupled to the rear surface of the front body and includes: a pair of accommodation portions protruding from a front surface thereof toward the front body; an exhaust port formed under the pair of accommodation portions; and an exhaust flow path guide protruding forward along an edge of the exhaust port; a face guard configured to be coupled to the rear surface of the rear body to be in close contact with the user's face and having a breathing space formed therein; an air cleaning module configured to be placed in the accommodation portion to purify and supply external air and supply the air to the breathing space; and a sealing cover configured to be fitted to an end portion of the exhaust flow path guide.
    Type: Application
    Filed: December 13, 2022
    Publication date: February 8, 2024
    Inventors: Yeongcheol MUN, Dongkwon AN, Sejeong AHN
  • Publication number: 20240042248
    Abstract: A mask apparatus that includes a mask body including a front body; and a rear body coupled to a rear surface of the front body and from which a pair of accommodation portions protrudes forward; a face guard coupled to a rear surface of the rear body to contact a user's face and define a breathing space therein; a fan module seated in the accommodation portion; a flow guide provided at a rear surface of the fan module and defining a portion of a discharge port communicating with the breathing space; a filter seated on the flow guide; and a filter housing rotatably coupled to the rear body to cover the filter, in which a guide shoulder is rounded and protrudes from the side of the flow guide, and in which guide grooves are defined on the side of the filter housing.
    Type: Application
    Filed: December 14, 2022
    Publication date: February 8, 2024
    Inventors: Yeongcheol MUN, Dongkwon AN, Sejeong AHN
  • Publication number: 20230021198
    Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body, accommodating a portion for user's face, and defining a respiration space, an air cleaning module mounted on the rear body, purifying air introduced into the inlet, and supplying the purified air to the respiration space, a main control module mounted on the front surface of the rear body, and a battery mounted on the front surface of the rear body corresponding to a lower side of the main control module. The main control module includes: a main control substrate, a first electric part component mounted on a front surface of the main control substrate, and a second electric part component mounted on a rear surface of the main control substrate.
    Type: Application
    Filed: January 25, 2022
    Publication date: January 19, 2023
    Inventors: Dongeun KIM, Dongkwon AN, Youngho JO, Yeongcheol MUN, Jihoon BAE
  • Publication number: 20230020450
    Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body, accommodating a portion of user's face, and defining a respiration space, and an air cleaning module purifying air introduced into the inlet and supplying the purified air to the respiration space. The rear body includes: a face cover portion configured to cover the portion of user's face and a fused portion extending forward from an edge of the face cover portion. The fused portion includes: a seating portion accommodating an edge of a rear surface of the front body, a support portion supporting an edge of a side surface of the front body, and a moat portion recessed at a position at which the seating portion and the support portion meet.
    Type: Application
    Filed: January 25, 2022
    Publication date: January 19, 2023
    Inventors: Dongkwon AN, Sangkyun BAEK, Yeongcheol MUN, Dongeun KIM, Sejeong AHN
  • Publication number: 20230018147
    Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body, accommodating a portion of user's face, and defining a respiration space, and an air cleaning module purifying air introduced into the inlet of the front body and supplying the purified air to the respiration space. A portion of the rear body protrudes toward the front body and defines an accommodation portion configured to accommodate the air cleaning module. The air cleaning module includes: a fan module accommodated in the accommodation portion, a filter disposed at a rear side of the fan module and purifying air flowing into the fan module, and a filter housing including a filter frame and a filter cover covering surrounding side and rear surfaces of the filter.
    Type: Application
    Filed: January 10, 2022
    Publication date: January 19, 2023
    Inventors: Yeongcheol MUN, Sangkyun BAEK, Dongkwon AN, Dongeun KIM, Sejeong AHN
  • Publication number: 20230013005
    Abstract: A mask apparatus includes a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body and defining a respiration space, and an air cleaning module purifying air introduced into the inlet and supplying the purified air to the respiration space. A portion of the rear body defines an accommodation portion accommodating the air cleaning module. The air cleaning module includes a fan module disposed at a seating portion of the accommodation portion, a filter disposed at a rear side of the fan module and purifying air flowing into the fan module, and a filter housing including a filter frame surrounding a side surface of the filter and a filter cover covering a rear surface of the filter. The inlet is provided at the filter cover.
    Type: Application
    Filed: January 10, 2022
    Publication date: January 19, 2023
    Inventors: Yeongcheol MUN, Sangkyun BAEK, Dongkwon AN, Dongeun KIM, Sejeong AHN
  • Publication number: 20230021257
    Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body and defining a respiration space, and an air cleaning module purifying air introduced into the inlet and supplying the purified air to the respiration space. Each of left and right edges of the rear body provides a strap connection portion into which a strap is coupled. The strap connection portion includes: a strap recess provided at a rear surface of the rear body, a strap hole defined in the strap recess, a strap bar connecting upper and lower surfaces of the strap recess and spaced apart from the strap hole, and a waterproof sleeve extending from the front surface of the rear body along an edge of the strap hole.
    Type: Application
    Filed: January 25, 2022
    Publication date: January 19, 2023
    Inventors: Yongmin KIM, Hojung KIM, Dongkwon AN, Yeongcheol MUN, Chiyoung CHOI
  • Publication number: 20230019195
    Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body, accommodating a user's face, and defining a respiration space, and an air cleaning module purifying air introduced into the inlet and supplying the purified air to the respiration space. A portion of the rear body protrudes toward the front body and defines an accommodate portion. The air cleaning module includes: a fan module disposed at the accommodation portion and defining an opening, a flow guide covering the opening, a filter disposed at a rear surface of the flow guide, and a filter housing covering a rear surface of the filter. The flow guide defines a communication hole guiding air passing through the filter to an inside of the fan module.
    Type: Application
    Filed: January 25, 2022
    Publication date: January 19, 2023
    Inventors: Yongmin SONG, Dongkwon AN, Yeongcheol MUN, Dongeun KIM, Sejeong AHN
  • Publication number: 20230015473
    Abstract: A mask apparatus includes a mask body that defines a suction hole and a discharge hole, a face guard detachably coupled to the mask body by magnetic force and configured to contact a face of a user, and an air cleaning module configured to filter external air and to supply the filtered air to a breathing space. The face guard includes a coupling portion facing a rear surface of the mask body. The coupling portion includes a magnetic body and a magnetic body mounting portion that receives the magnetic body. The magnetic body mounting portion includes a mounting portion body that protrudes forward from an outer surface of the coupling portion and an insertion guide rib disposed inside the mounting portion body, where the mounting portion body and the insertion guide rib are spaced apart from each other to thereby define an insertion hole that receives the magnetic body.
    Type: Application
    Filed: July 19, 2022
    Publication date: January 19, 2023
    Inventors: Sejeong AHN, Sangkyun BAEK, Dongkwon AN, Yeongcheol MUN, Dongeun KIM