Patents by Inventor Min Wei

Min Wei 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).

  • Guard device for smoke exhauster
    Patent number: 5582160
    Abstract: A guard device for protecting the front panel of a smoke exhauster is provided. The device comprises generally a rectangular guard plate slidingly held in a pair of securing appendages which are secured to the ends of the front panel and each has a slot, a fillet and a hook member. The guard plate is snap fitted and repeatedly slides about the slot in order to protect the front panel of the smoke exhauster from contamination with oil and grime.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: December 10, 1996
    Inventor: Min-Wei Wu
  • Semi-synthetic two-stroke engine oil formulation
    Patent number: 5498353
    Abstract: A semi-synthetic two-stroke engine oil formulation which comprises a base oil consisting of a high-viscosity mineral oil, a medium-viscosity mineral oil, a solvent and a mixture of three polyisobutylenes with different molecular weights, and appropriate detergents and dispersants. This semi-synthetic two-stroke engine has both high lubricity and high detergency, and also meets the requirements of low smoke and low exhaust system blocking.
    Type: Grant
    Filed: November 22, 1994
    Date of Patent: March 12, 1996
    Assignee: Chinese Petroleum Corp.
    Inventors: Ron-Sheng Lin, Chen-Yi Lin, Tsae-Shycm Lee, Chi-Chung Chen, Su-Terng Chang, Kuo-Min Wei
  • Racket frame stringing machine
    Patent number: 5090697
    Abstract: The present invention discloses a novel racket frame stringing machine, which generally comprises a guiding plate having a front holding arm and a rear holding arm to fix a racket frame. A string holding mechanism is located between the front and rear holding arm for fast moving and clipping. The present invention is aimed to resolve the problem often seen in conventional types of stringing machine.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: February 25, 1992
    Assignee: Poreex Industrial Co., Ltd.
    Inventor: Min-Wei Lee