Patents by Inventor Han Ki Cho

Han Ki Cho 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: 7698910
    Abstract: A door for a washing appliance is provided. The door includes an inner frame and an outer frame joined with the inner frame where one of the frames couples with a cabinet of the washing appliance. The door also has a glass door between the inner frame and the outer frame and a recess portion disposed in an inner circumferential surface of the outer frame.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: April 20, 2010
    Assignee: LG Electronics Inc.
    Inventors: Jong Seok Kim, Yang Hwan No, Han Ki Cho, Yeon Su Jung, Jung Hoon Kang, Myung Sik Park
  • Patent number: 7690227
    Abstract: A drum type washer is provided in which replacement of a washing ball provided in a drum lift device may be simplified, and in which a volume of the drum may be increased. The washer may include a tub, a drum rotatably provided within the tub, and a lift provided within the drum. The lift may include a base detachably coupled to an inner surface of the drum and a cover detachably coupled to the base. An exposing hole may be formed in a surface of the cover to expose a portion of the washing ball positioned between the cover and the base. A width of the cover may be gradually decreased from a rear end portion to a front end portion thereof so as to minimize a size of the lift and increase an interior volume of the drum.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: April 6, 2010
    Assignee: LG Electronics Inc.
    Inventors: Han Ki Cho, Jong Sun Yoon, Ho Sung Jang, Chang Woo Son, Jae Cheol Lyu
  • Publication number: 20100065086
    Abstract: A drum-type washer capable of easily cleaning a tub and a method of cleaning the tub of the drum-type washer are disclosed. The drum-type washer includes a tub installed in a cabinet to be supplied with washing water, a drum rotatably disposed in the tub such that laundry articles are loaded into the drum, a motor which rotates the drum, a controller which controls a rotational velocity of the motor to rotate the drum at a specified rotational velocity such that the washing water circulates along an inner peripheral surface of the tub to clean the inner peripheral surface of the tub, and a steam supply device which is controlled by the controller to supply high-temperature, high-pressure steam into the tub and the drum.
    Type: Application
    Filed: July 3, 2007
    Publication date: March 18, 2010
    Applicant: LG ELECTRONICS INC.
    Inventor: Han Ki Cho
  • Patent number: 7676874
    Abstract: Disclosed herein is a still operation of a washing machine, and more particularly, a washing machine which includes an operation condition of the washing machine in correspondence with each of a plurality of stillness modes and operates according to the operation condition corresponding to any one selected from the plurality of stillness modes. The washing machine includes a controller which, by the selection of any one of a plurality of stillness modes which are distinguished according to a stillness degree of an operation, controls the washing machine according to an operation condition corresponding to the selected stillness mode.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: March 16, 2010
    Assignee: LG Electronics Inc.
    Inventor: Han Ki Cho
  • Patent number: 7621156
    Abstract: Cabinet for a washing machine is disclosed. The present invention provides a cabinet for washing machine including a base panel 10, one pair of side panels 20 provided to opposite edges of the base panel 10, a front panel 30 provided to front edges of the base 10 and side panels 20, a rear panel 40 provided to rear edges of the base 10 and side panels 20, and a top panel 50 detachably provided to top edges of the side, front, and rear panels 20, 30, and 40.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: November 24, 2009
    Assignee: LG Electronics Inc.
    Inventors: Jong Seok Kim, Yang Hwan No, Han Ki Cho, Yeon Su Jung, Jung Hoon Kang, Myung Sik Park, Young Hoon Ha
  • Publication number: 20090271930
    Abstract: A method for controlling a course of a washing machine is disclosed, to remove bacilli as well as protein contaminants from a washing tub and the laundry, which includes (a) selecting an anti-yellow course of a washing stroke, so as to set washing conditions which is suitable for activating deposition of protein in the laundry; and (b) performing the washing stroke based on the washing conditions.
    Type: Application
    Filed: July 16, 2009
    Publication date: November 5, 2009
    Inventors: Han Ki CHO, Jong Sun Yoon, Ho Sung Jang, Chang Woo Son, Jae Cheol Lyu
  • Publication number: 20090251032
    Abstract: The present invention relates a door assembly for a washing machine which prevents a tub from being enclosed when the washing machine is not in operation.
    Type: Application
    Filed: January 15, 2009
    Publication date: October 8, 2009
    Applicant: LG ELECTRONICS INC.
    Inventors: Yong Min Jeon, Han Ki Cho, Chang Woo Son
  • Patent number: 7586053
    Abstract: A selection member coupling apparatus for a clothing handler and an associated coupling method are provided. The selection member coupling apparatus may include a selection member, and a selection member guiding member that guides operation of the selection member through a front surface to which the selection member is coupled. A plurality of light emitting devices emit light through a transparent window coupled to the selection member guiding member based on options selected using the selection member.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: September 8, 2009
    Assignee: LG Electronics Inc.
    Inventors: Hyo-Jin Kim, Ho-Sung Jang, Jae-Cheol Lyu, Han-Ki Cho, Chang-Woo Son
  • Patent number: 7581414
    Abstract: A door for a washing machine or a dryer includes a frame having a system for opening/closing an opening provided for introducing laundry into a washing machine or a dryer, and a hinge assembly. The hinge assembly includes a bracket attached to an inside surface of a housing of the washing machine or the dryer, and a hinge arm. The hinge arm has a first member rotatably connected to the bracket, and a second member extended in succession to the first member and rotatably connected to the frame for being drawn to an outside of the washing machine and the dryer, thereby enabling the door to be rotated relative to the bracket and the hinge arm respectively, so as to be opened at a great angle.
    Type: Grant
    Filed: January 9, 2003
    Date of Patent: September 1, 2009
    Assignee: LG Electronics Inc.
    Inventors: Jong Seok Kim, Yang Hwan No, Han Ki Cho, Yeon Su Jung, Jung Hoon Kang, Myung Sik Park, Young Hoon Ha
  • Patent number: 7581412
    Abstract: Disclosed is a tilted drum type washing machine, in which an internal structure is improved to prevent a contact between a drum and a lip of a gasket. The present invention includes a cabinet having an entrance at a front side for inputting/outputting a laundry, a door opening/closing the entrance, a tub installed slant in the cabinet to hold water, a drum in the tub to hold a detergent and the water, a gasket between the door and the tub, the gasket bringing the door airtight to prevent the water from leaking outside, a lip on an inner circumference of the gasket to prevent particles from being put in a space between the tub and the drum, and a support member preventing the lip from drooping to prevent an interruption between the lip and the drum. And, the support member includes a reinforcement rib on an inner circumference of the tub to support an inner lateral side of the lip or a protrusion at the inner lateral side of the lip.
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: September 1, 2009
    Assignee: LG Electronics Inc.
    Inventors: Jong Seok Kim, Yang Hwan No, Han Ki Cho, Yeon Su Jung, Jung Hoon Kang, Myung Sik Park, Young Hoon Ha
  • Publication number: 20090167129
    Abstract: Stand including a stand body of a predetermined height having an opening in one side, a drawer for pushing in or pulling out through the opening in the stand body to open/close the opening, a guide device for smooth pushing in/pulling out of the drawer, and a self locking device for automatic locking of the drawer when the drawer is inserted in the stand more than a certain depth, and preventing slipping out of the drawer even if the stand is tilted.
    Type: Application
    Filed: February 24, 2009
    Publication date: July 2, 2009
    Inventor: Han Ki Cho
  • Publication number: 20090153057
    Abstract: The present invention relates to washing machines, and more particularly, to a washing machine having a lamp device with LED (76,78) mounted to a gasket (40) for lighting an inside of the washing machine, and a method for controlling the same. For this the present invention provides a washing machine including a cabinet (2) having a door (8) on a front, a tub (20) in the tub for holding washing water, a drum (30) rotatably mounted in the tub (20), a gasket (40) mounted to connect openings of the door (8) and the tub (20), and a lamp device (50) provided to the gasket (40).
    Type: Application
    Filed: July 28, 2006
    Publication date: June 18, 2009
    Inventors: Han Ki Cho, Deok Joon Jeong, Chang Woo Son
  • Patent number: 7516630
    Abstract: Disclosed is a washing machine having an improved circulation apparatus for pumping water in a lower side of the tub and discharging the pumped water from an upper side of the tub. The circulation apparatus includes a circulation motor, a circulation hose and an injection unit. The circulation motor communicates with a lower side of a tub of a washing machine to pump water in the tub. The circulation hose has one end that is connected with the circulation motor, and guides the pumped water. The injection unit includes a nozzle. that has a facing surface facing an inside of a drum and left and right surfaces of the facing surface, the facing surface and the left and right surfaces being completely opened. The nozzle disperses the water into the inside of the drum.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: April 14, 2009
    Assignee: LG Electronics Inc.
    Inventors: Jong Seok Kim, Yang Hwan No, Han Ki Cho, Youn Su Jung, Jung Hoon Kang, Myung Sik Park, Young Hoon Ha
  • Publication number: 20090091221
    Abstract: Disclosed is a laundry machine comprising a stainless steel cover forming an appearance and burr shielding portions for shielding burrs occurring on the cover. The laundry machine is provided with the cover of the stainless steel, accordingly it is capable of implementing an excellent appearance, and provided with the burr shielding portions for shielding the burrs occurring on the cover, accordingly it is capable of preventing a user from being damaged of injured due to the burrs.
    Type: Application
    Filed: September 11, 2008
    Publication date: April 9, 2009
    Inventors: Ho-Sung JANG, Chang-Woo Son, Gil-Yong Lee, Yong-Min Jeon, Han-ki Cho
  • Publication number: 20090091219
    Abstract: Disclosed is a laundry machine. The laundry machine has the entire side surface not implemented as a cover of stainless steel but implemented as a double structure of a side panel and a side cover of stainless steel that is attached onto the side panel. Thus, the laundry machine can have the excellent appearance by the side cover of stainless steel. And, it is capable of reducing the material cost by using the side panel for the interior. Further, since the side surface thereof is implemented as the double structure of the side panel and the side cover having different frequencies from each other, it is capable of absorbing and attenuating noise and vibration generated while the laundry machine is operated.
    Type: Application
    Filed: September 11, 2008
    Publication date: April 9, 2009
    Inventors: Ho-Sung Jang, Chang-Woo Son, Gil-Yong Lee, Yong-Min Jeon, Han-Ki Cho
  • Publication number: 20090091222
    Abstract: Disclosed is the washing/drying machine, including: a cabinet forming an outer aspect of a washing/drying machine, a cover forming at least a portion of a front surface of the cabinet, and a control panel disposed at the cover and having a variety of buttons, wherein the control panel is mounted at the control panel mounting portion formed at the cover while pressing the flange formed at an upper end of the cover, thereby simultaneously coupling the cover and the control panel in one operation, thus to simplify an assembly process and increase productivity.
    Type: Application
    Filed: September 11, 2008
    Publication date: April 9, 2009
    Inventors: Ho-Sung JANG, Chang-Woo SON, Gil-Yong LEE, Yong-Min JEON, Han-ki CHO
  • Publication number: 20090090388
    Abstract: A drum-type washing machine that is capable of easily cleaning a tub (110) and a tub cleaning method of the same are disclosed. A drum-type washing machine that is capable of cleaning a gasket (140) along with cleaning of the tub and a gasket cleaning method of the same are also disclosed. The drum-type washing machine includes a tub (110) mounted in a cabinet (101) such that wash water is supplied into a tub (110), a drum (106) rotatably mounted in the tub (110) such that laundry is put into the drum (106), a motor (104) for rotating the drum (106), and a control unit (160) for controlling the driving of the motor (104) such that, when the drum (106) is rotated, the wash water supplied into the tub (110) reaches the upper part of the inner circumferential surface of the tub (110) so as to clean the inner circumferential surface of the tub (110).
    Type: Application
    Filed: October 13, 2006
    Publication date: April 9, 2009
    Inventors: Jong Min Kim, Du Heig Choi, Min Su Kang, Yoon Sang Lee, Han Ki Cho
  • Publication number: 20090057117
    Abstract: Disclosed are a button for a control panel assembly and a clothes handling apparatus having the same. In a control panel assembly comprising a control panel having button holes to mount a plurality of buttons and a display window, at least one of the buttons comprises a pressing portion having an optical diffusion portion for diffusing light occurring from a light source disposed at a back of the buttons; a mounting portion for fixing the buttons to a back of the control panel; and a supporting portion for connecting the pressing portion and the mounting portion to each other, and providing an elastic force to the pressing portion. According to this configuration, a larger amount of light occurring from the light source is emitted to a front of the buttons, and a user's convenience is enhanced.
    Type: Application
    Filed: September 2, 2008
    Publication date: March 5, 2009
    Inventors: Ho-Sung JANG, Chang-Woo Son, Gil-Yong Lee, Yong-Min Jeon, Han-Ki Cho
  • Publication number: 20090056386
    Abstract: A control panel window assembly of a washing/drying machine includes a control panel with a window hole on which a display part is mounted, wherein a control panel window is mounted at the window hole, and the control panel window includes: a display window formed to cover a portion of the display part; a button portions including a plurality of button portions formed at both sides of the display window. The washing/drying machine having the control panel window assembly can meet the needs of users who prefer a washing/drying machine in harmony with the cabinet made of stainless steel and provide a high-end quality image.
    Type: Application
    Filed: September 2, 2008
    Publication date: March 5, 2009
    Inventors: Ho-Sung JANG, Chang-Woo Son, Gil-Yong Lee, Yong-Min Jeon, Han-Ki Cho
  • Publication number: 20090059561
    Abstract: Provided are a knob deco including a knob guard in which a dial knob is inserted, a lamp window main body mounted at a rear surface of the knob guard, and having lamp windows for transmitting light emitted from a rear side of the knob guard to a front side of the knob guard, and lamp window shielding members mounted at the corresponding lamp windows and configured to shield part of light transmitted through the lamp window, a manufacturing method, and a laundry machine having the same.
    Type: Application
    Filed: September 2, 2008
    Publication date: March 5, 2009
    Inventors: Ho-Sung Jang, Chang-Woo Son, Gil-Yong Lee, Yong-Min Jeon, Han-Ki Cho