Patents Assigned to Hwan Yih Enterprise Co., Ltd.
  • Patent number: 6814235
    Abstract: A serving tray includes a holding portion, and handles at two sides of the holding portion; the holding portion has trenches formed on an upper side, recesses formed on a bottom, a through hole, upper flow passages formed on the upper side, and lower flow passages formed on the bottom; the handles have second recesses formed thereon. Slip-prevention rubber sheets are attached to the trenches and the recesses by means of injecting melted rubber into a mold used for making the holding portion and the handles via the through hole for the melted rubber to be applied over the trenches, and the recesses via the upper and the lower flow passages.
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: November 9, 2004
    Assignee: Hwan Yih Enterprise Co., Ltd.
    Inventor: Tin-Chou Wang
  • Patent number: 6725785
    Abstract: A protective cover of a grille-shaped article support includes a flat portion for holding articles on, and a surrounding wall joined to edges of the flat portion. Clipping elements are provided on bottom side of the flat portion, and hooking elements are provided on inner side of the wall. The cover is firmly fitted over the article support with the clipping elements clipping onto corresponding metal bars of the article support, and with the hooking elements hooking onto edges of the article support so that articles can be stably held on the article support.
    Type: Grant
    Filed: July 5, 2002
    Date of Patent: April 27, 2004
    Assignee: Hwan Yih Enterprise Co., Ltd.
    Inventor: Tin-Chou Wang
  • Patent number: 6484649
    Abstract: A table includes an upper flat board having the edge folded to join the edge of a lower shaped board. The lower shaped board has lower side strengthening ribs radially extending from a central connecting part. An inner rod is connected to the central connecting part from an upper threaded portion, and connected to a base member from a lower threaded portion. An outer tube is placed around the inner rod with a top abutting the central connecting part. A plastic sleeve is passed into a lower end of the outer tube with the central hole encircling the inner rod, and has a lower end flange interposed between the bottom of the outer tube and the upper side of the base member. Thus, the boards are held at an elevated position by both the inner rod and the outer tube.
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: November 26, 2002
    Assignee: Hwan Yih Enterprise Co., Ltd.
    Inventor: Tin-Chou Wang
  • Patent number: 6390321
    Abstract: A garbage cam with a push-open cap connected to a pedal interactive device includes a can body, a push-open cap pivotally connected to an inner side of an opening of a can cap, a torque spring to automatically push the push-open cap to move back to close the opening, and a pedal interactive device to pull open the push-open cap. The pedal interactive device consists of a pedal provided at a lower end of the can body, a rope having a first end fixed with the push-open cap and a second end wound around a rope wheel connected to a gear engaging a vertical rack positioned between an upper and a lower rib plates units. The rack is pushed up to rotate the gear and the rope wheel to wind the rope when a user steps down the pedal so that the push-open cap is pulled to open, and the push-open cap automatically moves to close up the opening when the user releases the pedal.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: May 21, 2002
    Assignee: Hwan Yih Enterprise Co., Ltd.
    Inventor: Tin-Chou Wang