Patents by Inventor Seok Kvu Park

Seok Kvu Park 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).

  • Damper in a washing machine and fabricating method of the same
    Patent number: 7861833
    Abstract: A damper for a washing machine includes: a cylinder; a piston body having one end inserted into the cylinder; a first friction member interposed in a contact surface between the piston body and the cylinder; an extension bar extended from an inserted portion of the piston body, the extension bar having a circumferential stopper at the extended portion; a friction ring formed between the circumferential stopper and the first friction member; and a second friction member formed on an outer circumferential surface of the friction ring to contact with an inner surface of the cylinder.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: January 4, 2011
    Assignee: LG Electronics Inc.
    Inventors: Seok Kvu Park, Gwan Ryong Park