Patents by Inventor Dong Yeop Oh

Dong Yeop Oh 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: 5857362
    Abstract: Centrifigal washing machine is disclosed, in which a small sized detergent solution spray pump can be used for reducing power, water and detergent consumptions, including an outer tub supported in a body of the washing machine, an inner tub rotatably held in the outer tub, a spray device rotatably held at a center of the inner tub and having a detergent solution spray hole with a narrow width and a long length and an end bent to one side, a detergent solution supply tube connected between an under side of the outer tub and one end of the spray device for guiding a detergent solution filled in the outer tub to the spray device, a pump fitted in the detergent solution supply tube for pumping the detergent solution, a first valve and a second valve fitted at an inlet and an outlet of the detergent solution supply tube respectively for opening and closing the detergent solution supply tube selectively, and a foam eliminating means for eliminating foam produced as the detergent solution is circulated when the pump
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: January 12, 1999
    Assignee: L.G. Electronics Inc.
    Inventors: Dong Yeop Oh, Kyung Seop Hong, Oh Hun Kwon, Kyeong Hwan Kim
  • Patent number: 5661988
    Abstract: A washing net attaching and detaching structure of a fully automatic washing machine with a washing course of dry-marked clothes is shaped as a basket which is attachably and detachably installed within a washtub for being vibrated in the up and down directions in accordance with a reciprocal ascending and descending movement of a driving member to preserve and wash laundry indicated with a dry mark. The washing net has a diameter smaller than an inner circumference of an upper end of the washtub for being easily attached and detached to and from the washtub during the cleaning of dry-marked clothes to provide a convenience to a user and prevent damage to the laundry caused by the laundry being bitten in the lower portion of the washing net, thereby significantly improving the efficiency and reliability of the product.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: September 2, 1997
    Assignee: LG Electronics Inc.
    Inventors: Dong Yeop Oh, Gyu Sang Choe, Kyung Seop Hong, Kyung Hwan Kim, Oh Hun Kwon
  • Patent number: 5657651
    Abstract: A washing apparatus of a fully automatic washing machine incorporated with a washing course of dry-marked clothes includes a motor shaft installed to a motor mounted to an outer tub for being rotated by the driving of the motor, a driving member coupled with the motor shaft for reciprocally ascending and descending together with the rotational movement of the motor shaft, and a washing net joined to the driving member for being vibrated in up and down directions in accordance with the reciprocal ascending and descending movement of the driving member to preserve and clean the laundry indicated with the dry mark, in which the driving member is installed to the center of a washing blade and inserted with the washing net. Thus, the washing net housing with the laundry thereon is vibrated in up and down directions while the driving member reciprocally ascends and descends along with the driving of the motor.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: August 19, 1997
    Assignee: LG Electronics Inc.
    Inventors: Dong Yeop Oh, Gyu Sang Choe, Kyung Seop Hong, Kyung Hwan Kim, Oh Hun Kwon