Patents by Inventor Ying-Fu Chen

Ying-Fu 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: 6363841
    Abstract: A roaster oven includes a rotatable frame and an oil tray. The rotatable frame consists of a left and a right rotatable disc member and a plurality of spits are provided between them. The right rotatable disc member has a plurality of recessed grooves for receiving spits. A plurality of projecting strips are formed to face the recessed grooves, respectively having an insert hole between each projection strip and each of the disc surface. The end of each spit is bent downward forming an insert strip with its lower portion shaped as a triangle-like stop strip for pushing against the bottom edge of the projection strip after the insert strip is inserted through the insert hole, thus finishing the assembly. Further, an oil-guiding member is provided near the bottom edges of three inner walls of the roaster oven and extends to an oil-receiving range of an oil tray.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: April 2, 2002
    Inventor: Ying-Fu Chen
  • Patent number: 6257128
    Abstract: A roaster oven includes a housing, a door combined with a front side of the housing and a rotating frame for piercing food placed in the housing. A support base is respectively provided under two sides of the bottom of the housing for the door to be opened and placed under the housing and between the two support bases. The housing has a guide slot respectively formed in two inner opposite sidewalls to permit the rotating frame placed in the housing along the guide slots. Plural shove plates are provided on one of two rotatable discs of the rotating frame, and when the rotating frame rotates with one of the shove plate contact a stop rod fixed on an inner wall of the housing, that shove plate rotates one of pierce rods with food pierced on it for a certain angle. The roaster oven in the invention is easy to handle, taking small space and having high safety.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: July 10, 2001
    Inventor: Ying-Fu Chen
  • Patent number: 4984761
    Abstract: An electric fan cross-shaped base comprising a round base body and a plurality of horizontal feet removably assembled with the base body so as to save packing cost and freight.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: January 15, 1991
    Inventor: Ying-Fu Chen
  • Patent number: D453090
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: January 29, 2002
    Inventor: Ying-Fu Chen
  • Patent number: D461091
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: August 6, 2002
    Inventor: Ying-Fu Chen
  • Patent number: D476190
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: June 24, 2003
    Inventor: Ying-Fu Chen
  • Patent number: D335533
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: May 11, 1993
    Inventor: Ying-Fu Chen