Patents by Inventor Yi-Chen Chen

Yi-Chen Chen 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: 6012613
    Abstract: An improved extruding mechanism for auto soap dispenser which comprises, a soap dispenser equipped with an under outlet, a sleeve positioned underneath the dispenser, an output port locating at the bottom of the sleeve, and there is a valve seat which is installed inside the sleeve and therein sliding up and down, more particularly the valve seat consists of a disk block which includes several circulated holes and a mandrel, therefrom the mandrel on the top of valve seat is inserted with a spring and moreover the mandrel at the bottom of valve seat is equipped with a diaphragm; and there is a side tube positioned on the flank of sleeve and thereon connected to an extruding hose, and a link that pivoted at external end of the extruding hose is also pivoted by a motor driven eccentric wheel at its opposite end; according to the structure described above, the elastically reciprocating motion on the extruding hose which caused by motor driven eccentric wheel will put the squeeze on valve seat and then have it sli
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: January 11, 2000
    Inventor: Yi-Chen Chen
  • Patent number: 5161558
    Abstract: A vibrating type cleaning apparatus for floating objects utilizes a pair of motors to produce a thrust against the cleaning objects by way of resonance, which has a cleaning platform with a meshed plate placed thereon to support the objects to be washed. A detergent pipe system and a water pipe system formed on the top of the cleaning platform provide a plurality of spraying heads, thereby the cleaning objects are washed by detergent and clean water in sequence. Therefore, the combination effect of spraying downwardly by spraying heads and spraying upwardly caused by vibration of motors is suitable for washing the floating objects.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: November 10, 1992
    Assignee: Torch Corporation
    Inventor: Yi-Chen Chen
  • Patent number: D445284
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: July 24, 2001
    Inventor: Yi-Chen Chen
  • Patent number: D430500
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: September 5, 2000
    Inventor: Yi-Chen Chen
  • Patent number: D433003
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: October 31, 2000
    Assignee: Acer Peripherals, Inc.
    Inventors: Yi-Chen Chen, Jia-Rong Chang