Patents by Inventor Ru-Luen Wen

Ru-Luen Wen 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).

  • Trimming device for a grinding wheel of a grinding machine
    Patent number: 5951387
    Abstract: A wheel dressing device includes a supporting base axially defining a first passage therein and including a first end portion and a second end portion, a sliding tube slidably mounted in the first passage and including a first end portion and a second end portion extending outward of the second end portion of the supporting base, and a feed base fixedly mounted on the second end portion of the sliding tube to move therewith. The feed base axially defines a second passage along a direction perpendicular to that of the first passage and includes a first end portion and a second end portion. A feed tube is slidably mounted in the second passage and includes a first end portion and a second end portion. A wheel dressing head is fixedly mounted on the second end portion of the feed tube to move therewith.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: September 14, 1999
    Inventor: Ru-Luen Wen