Patents by Inventor Yong-Chang Wen

Yong-Chang Wen 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: 20050150432
    Abstract: A portable table for a notebook includes a foldable stand, a main board mounted on the foldable stand for receiving a notebook computer, and a cover plate pivotally mounted on the main board to cover the notebook computer. Thus, the portable table when being extended is used for supporting the notebook computer, and the portable table when being folded is used for carrying the notebook computer, thereby facilitating the user carrying and operating the notebook computer.
    Type: Application
    Filed: January 12, 2004
    Publication date: July 14, 2005
    Inventor: Yong-Chang Wen
  • Patent number: 6863341
    Abstract: A foldable chair includes a first leg, a second leg pivotally connected with the first leg, and a seat module pivotally mounted on the first leg and detachably locked on the second leg. The second leg is formed with a forward protruding holding portion formed with a downward facing locking recess. The seat module includes a support frame pivotally connected with the first leg and formed with an upward protruding catch portion rested on the holding portion and detachably locked in the locking recess, so that the seat module is combined with the second leg. Thus, the expanded foldable chair has a rigid and stable structure.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: March 8, 2005
    Inventor: Yong-Chang Wen
  • Publication number: 20050011422
    Abstract: A table assembly includes a table plate, two opposite reinforced rods, and two opposite leg modules. Each of the two reinforced rods is mounted on a bottom of the table plate. Each of the two opposite leg modules is provided with two positioning bars each mounted on the bottom of the table plate. The positioning bars of the leg modules are combined with the two reinforced rods integrally. Thus, the positioning bars of the leg modules are combined with the two reinforced rods integrally, thereby enhancing the structural strength of the table assembly, so that the table assembly can withstand the larger load.
    Type: Application
    Filed: July 18, 2003
    Publication date: January 20, 2005
    Inventor: Yong-Chang Wen
  • Patent number: 6520094
    Abstract: A table assembly has a table plate, a pair of leg devices, and a plurality of fastening clamps. The table plate has two pairs of spaced recesses, and a plurality of grooves. Each leg device has a U-shaped rod, two posts, two first link bars, two second link bars, and two support plates. Each support plate is inserted into the corresponding recess, and is formed with two oblong holes aligned with the corresponding grooves Each of the fastening clamps has an oblong plate and two arm plates. The arm plates are extended through the corresponding oblong holes of the support plates and are inserted into the corresponding grooves of the table plate.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: February 18, 2003
    Inventor: Yong-Chang Wen
  • Publication number: 20030005864
    Abstract: A table assembly has a table plate, a plurality of fastening clamps, and a pair of leg devices. The table plate has two pairs of spaced recesses, and a plurality of grooves. Each fastening clamp has an oblong plate and two arm plates connected to the oblong plate. Each leg device has a U-shaped rod, two posts disposed on the U-shaped rod, two first link bars disposed on the posts, two second link bars connected to the first link bars, and two support plates disposed on the second link bars. Each second link bar has two oblong holes to match the corresponding grooves. Each support plate is inserted in the corresponding spaced recesses. The arm plates is inserted through the corresponding oblong holes and inserted in the corresponding grooves.
    Type: Application
    Filed: July 9, 2001
    Publication date: January 9, 2003
    Inventor: Yong-Chang Wen