Patents by Inventor Lin Chun Chien

Lin Chun Chien 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).

  • Tool steel composition for component of die-casting apparatus or of extrusion press
    Patent number: 11819910
    Abstract: A tool steel composition for a component of a die-casting apparatus or of an extrusion press, comprises, in weight percentage: from about 0.35% to about 0.40% carbon (C); from about 0.32% to about 0.50% silicon (Si); from about 4.50% to about 5.50% chromium (Cr); from about 3.75% to about 4.75% molybdenum (Mo); from about 0.80% to about 1.00% vanadium (V); and iron (Fe).
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: November 21, 2023
    Assignee: Exco Technologies Limited
    Inventor: Lin Chun Chien
  • TOOL STEEL COMPOSITION FOR COMPONENT OF DIE-CASTING APPARATUS OR OF EXTRUSION PRESS
    Publication number: 20180099330
    Abstract: A tool steel composition for a component of a die-casting apparatus or of an extrusion press, comprises, in weight percentage: from about 0.35% to about 0.40% carbon (C); from about 0.32% to about 0.50% silicon (Si); from about 4.50% to about 5.50% chromium (Cr); from about 3.75% to about 4.75% molybdenum (Mo); from about 0.80% to about 1.00% vanadium (V); and iron (Fe).
    Type: Application
    Filed: October 5, 2017
    Publication date: April 12, 2018
    Applicant: EXCO TECHNOLOGIES LIMITED
    Inventor: Lin Chun Chien