Patents by Inventor Shih-Piao Wu

Shih-Piao Wu 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: 6725544
    Abstract: This creation is to provide a kind of anvil structure improvement for garden clippers. Such anvil is installed at the end of garden clippers' first handle, allowing the moving blade at the end of the second handle to oscillate into contact against the inner anvil surface of that anvil. The inner side of that anvil is a flat surface, the tip of which is in a position of jutting out from the tip of the moving blade. The anvil features a first cutting edge at the anvil's outer side, and a second cutting edge is further installed at the tip of the anvil. The provision of such first, second cutting edge adds extra functions of cutting, digging and drilling to the garden clippers as their primary applications.
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: April 27, 2004
    Assignee: Jiin Haur Industrial Co., Ltd.
    Inventor: Shih-Piao Wu
  • Patent number: 6725547
    Abstract: A pair of gardening shears include a blade fastened to one end of a first handle, and a fixed jaw plate fastened to one end of a second handle which is pivotally fastened to the first handle by a pivoting member. The pivoting member is formed of a pivot and a nut which is engaged with the pivot and is positioned by a locating plate. The nut is provided with a toothed portion. The locating plate is provided with a toothed portion which is engaged with the toothed portion of the nut. The fixed jaw plate is provided with a recessed edge which is opposite in location to the blade and is intended to reduce friction between the fixed jaw plate and the blade.
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: April 27, 2004
    Assignee: Jiin Haur Industrial Co., Ltd.
    Inventor: Shih-Piao Wu
  • Patent number: 6643937
    Abstract: A pair of gardening shears includes a fixed handle, a fixed jaw, a movable handle, a movable jaw, and a pivoting member for pivoting the fixed jaw and the movable jaw together. The pivoting member is formed of a bolt, a nut, and a collar for preventing sideward motion of the bolt and for preventing the fixed jaw from turning along with the bolt. The fixed jaw is provided with a recessed portion for reducing the area of mechanical friction between the fixed jaw and the movable jaw. The nut is provided with a serrated portion which is engaged with a serrated portion of a pivoting plate of the movable handle. The fixed handle is provided with a rubber piece serving as a cushion to absorb shock noise when the movable handle is moved toward the fixed handle.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: November 11, 2003
    Assignee: Jiin Haur Industrial Co., Ltd.
    Inventor: Shih-Piao Wu
  • Publication number: 20020066188
    Abstract: A pair of gardening shears comprise a blade fastened to one end of a first handle, and a fixed jaw plate fastened to one end of a second handle which is pivotally fastened with the first handle by a pivoting member. The pivoting member is formed of a pivot and a nut which is engaged with the pivot and is located by a locating plate. The nut is provided with a toothed portion. The locating plate is provided with a toothed portion which is engaged with the toothed portion of the nut. The fixed jaw plate is provided with a recessed edge which is opposite in location to the blade and is intended to reduce friction between the fixed jaw plate and the blade.
    Type: Application
    Filed: August 21, 2001
    Publication date: June 6, 2002
    Applicant: Jiin Haur Industrial Co., Ltd.
    Inventor: Shih-Piao Wu
  • Patent number: 6393703
    Abstract: A pair of gardening shears includes a primary handle and a fixed secondary handle. The primary handle is formed of a shaft rod and a rotary grip. The shaft rod is provided with an annular slot and a flat edge. The rotary grip is provided with a locating member which has a locating arm and an angle-confining block. The rotary grip is positioned by the locating arm which is received in the annular slot of the shaft rod. The rotary grip is rotationally confined by the angle-confining block in conjunction with the flat edge of the shaft rod.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: May 28, 2002
    Assignee: Jiin Haur Industrial Co., Ltd.
    Inventor: Shih-Piao Wu
  • Patent number: D509115
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: September 6, 2005
    Assignee: Jiin Haur Industrial Co., Ltd.
    Inventor: Shih-Piao Wu
  • Patent number: D486361
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: February 10, 2004
    Inventor: Shih-Piao Wu
  • Patent number: D494431
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: August 17, 2004
    Inventor: Shih-Piao Wu
  • Patent number: D422856
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: April 18, 2000
    Inventor: Shih-Piao Wu
  • Patent number: D426755
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: June 20, 2000
    Inventor: Shih-Piao Wu