Patents by Inventor Lung-Hui Chen

Lung-Hui 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).

  • Label structure for pistol type pneumatic tool
    Publication number: 20040194362
    Abstract: The invention provides a label structure for pistol type pneumatic tool, which is provided on the end surface of driving portion corresponding to the other end of quick coupler of pistol type pneumatic tool. In addition, expressed by text, numbers, or illustrations, the label structure can submit important information clearly and apparently. Moreover, through the advantages that the label structure can be firmly provided on the smooth end surface of driving portion and that the end surface is at the same side as the backend of grip portion, the label structure can be apparent to a user. Therefore, when the user is gripping the pistol type pneumatic tool and doing a mechanical operation, the user is able to read information showed on the label structure easily and clearly at the same time.
    Type: Application
    Filed: April 4, 2003
    Publication date: October 7, 2004
    Inventor: Lung-Hui Chen
  • Pneumatic grinder
    Patent number: D452638
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: January 1, 2002
    Inventor: Lung-Hui Chen
  • Pneumatic grinder
    Patent number: D452805
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: January 8, 2002
    Inventor: Lung-Hui Chen
  • Pneumatic drill
    Patent number: D476209
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: June 24, 2003
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D484379
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: December 30, 2003
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D484380
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: December 30, 2003
    Inventor: Lung-Hui Chen
  • Pneumatic boring tool
    Patent number: D485148
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: January 13, 2004
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D486370
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: February 10, 2004
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D488040
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: April 6, 2004
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D488041
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: April 6, 2004
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D488694
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: April 20, 2004
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D492176
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: June 29, 2004
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D492561
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: July 6, 2004
    Inventor: Lung-Hui Chen
  • Pneumatic tool
    Patent number: D492562
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: July 6, 2004
    Inventor: Lung-Hui Chen