Patents by Inventor Shui C. Lin

Shui C. Lin 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: 5457888
    Abstract: A fruit cutter including a tubular body formed at an upper inner side with a pair of L-shaped grooves, a handle having a cylindrical lower portion provided with a pair of protuberances each engaged with one of the L-shaped grooves of the tubular body, a guide plate slantwise fitted at a lower part of the tubular body, an upper positioning member slantwise fitted at a lower part of the tubular body and arranged opposite to the guide plate, a lower positioning member slantwise fitted at a lower part of the tubular body under the upper positioning member, and a cutting member slidably engaged between the upper and the lower positioning members.
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: October 17, 1995
    Inventor: Shui C. Lin
  • Patent number: 5390809
    Abstract: This invention relates to a vacuum container and in particular to one including an inner container, an outer container receiving said inner container, a lid provided with a packing formed with an outer annular groove for receiving an upper rim of said outer container and an inner annular groove for receiving an upper rim of said inner container, a check valve mounted on a central portion of said lid, a control valve composed of two one-way valves, and a vacuum extractor including a sleeve and a seat engaged with the lower end of said sleeve, said sleeve being a tubular member in which is inserted a piston, said piston having a lower end formed with an upper flange and a lower flange between which is fitted a leak-proof gasket, said upper flange being formed with a pair of exhaust openings.
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: February 21, 1995
    Inventor: Shui C. Lin