Patents by Inventor Hui Ping Long

Hui Ping Long 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).

  • Pneumatic tool structure
    Patent number: 6557649
    Abstract: A pneumatic tool structure including a main body integrally having an elbow. A pneumatic motor, a switch unit and an intake unit are disposed in the main body. A driving unit is disposed in the elbow. The elbow has a top section formed with an opening corresponding to the main body. The pneumatic motor is placed into the main body from upper side through the opening. A cover is disposed on the elbow for closing/opening the opening.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: May 6, 2003
    Inventors: Shu Yi Yang, Hui Ping Long