Patents by Inventor Doo-Hwa Kang

Doo-Hwa Kang 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: 20050183644
    Abstract: An embroidery machine can simultaneously embroider sewing objects having various shapes, including a flat object, an object having a shape of a usual processed cloth, an object having a shape of a cap, etc. The embroidery machine comprises a plurality of sewing heads grouped into at least two working groups, and the embroidering frames, each of which is arranged for one of the working groups. The embroidering frames have structures either identical to each other or different from each other.
    Type: Application
    Filed: March 10, 2004
    Publication date: August 25, 2005
    Inventor: Doo-Hwa Kang
  • Patent number: 6925946
    Abstract: An embroidery machine can simultaneously embroider sewing objects having various shapes, including a flat object, an object having a shape of a usual processed cloth, an object having a shape of a cap, etc. The embroidery machine comprises a plurality of sewing heads grouped into at least two working groups, and the embroidering frames, each of which is arranged for one of the working groups. The embroidering frames have structures either identical to each other or different from each other. Therefore, one conventional embroidery machine can simultaneously embroider more than one kind of sewing objects, including at least two of a flat sewing object, a tubular sewing object, and a cap-shaped sewing object.
    Type: Grant
    Filed: March 10, 2004
    Date of Patent: August 9, 2005
    Assignee: Sunstar Precision Co., Ltd.
    Inventor: Doo-Hwa Kang