Patents by Inventor Choon Yong Choi

Choon Yong Choi 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: 6796565
    Abstract: There is disclosed a cart for transportation, which includes a plurality of trays, a support for supporting the trays, a handle provided to the uppermost tray, and a wheel provided to the lowermost tray, which comprises a connecting pipe 112 attached to each corner of each of the trays 110, a supporting member 120 provided between upper and lower trays, a connecting member 130 for joining the supporting member 120 and the connecting pipe of the tray 110 with each other, a handle connecting member 140 for joining the handle 150 with the connecting pipe of the uppermost tray, and a wheel connecting member 160 for joining the wheel 170 with the connecting pipe of the lowermost tray. The invention can be assembled easily without using coupling devices and shipping charges can reduced as the volume of the components is minimized before the cart is assembled.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: September 28, 2004
    Inventors: Jae Chul Choi, Choon Yong Choi
  • Publication number: 20040066012
    Abstract: There is disclosed a cart for transportation, which includes a plurality of trays, a support for supporting the trays, a handle provided to the uppermost tray, and a wheel provided to the lowermost tray, which comprises a connecting pipe 112 attached to each corner of each of the trays 110, a supporting member 120 provided between upper and lower trays, a connecting member 130 for joining the supporting member 120 and the connecting pipe of the tray 110 with each other, a handle connecting member 140 for joining the handle 150 with the connecting pipe of the uppermost tray, and a wheel connecting member 160 for joining the wheel 170 with the connecting pipe of the lowermost tray. The invention can be assembled easily without using coupling devices and shipping charges can reduced as the volume of the components is minimized before the cart is assembled.
    Type: Application
    Filed: October 2, 2002
    Publication date: April 8, 2004
    Inventors: Jae Chul Choi, Choon Yong Choi
  • Patent number: 6715430
    Abstract: Disclosed is a sectional table with gussets, in which a table top and legs thereof can be easily assembled in a simple manner by virtue of a gusset mechanism. The sectional table with gussets includes a table top; an inverted hat-shaped channel frame having cylindrical parts on the central portion thereof and flanges on both ends thereof, the cylindrical parts being formed through a deep-drawing process and the flanges being fixedly secured to the underside of the table top; cylindrical gussets inserted into the cylindrical parts of the channel frame at the upper end thereof to be fixedly secured to the cylindrical parts; and table legs secured to the underside of the table top by the gussets by being inserted into openings of the gussets.
    Type: Grant
    Filed: July 19, 2002
    Date of Patent: April 6, 2004
    Inventors: Jae Chul Choi, Choon Yong Choi
  • Publication number: 20040011260
    Abstract: Disclosed is a sectional table with gussets, in which a table top and legs thereof can be easily assembled in a simple manner by virtue of a gusset mechanism. The sectional table with gussets includes a table top; an inverted hat-shaped channel frame having cylindrical parts on the central portion thereof and flanges on both ends thereof, the cylindrical parts being formed through a deep-drawing process and the flanges being fixedly secured to the underside of the table top; cylindrical gussets inserted into the cylindrical parts of the channel frame at the upper end thereof to be fixedly secured to the cylindrical parts; and table legs secured to the underside of the table top by the gussets by being inserted into openings of the gussets.
    Type: Application
    Filed: July 19, 2002
    Publication date: January 22, 2004
    Inventors: Jae Chul Choi, Choon Yong Choi