Patents by Inventor Chunguo Tao

Chunguo Tao 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).

  • STEEL AND COUPLER MADE FROM THE SAME
    Publication number: 20110305593
    Abstract: The present invention provides a type of steel and a coupler made from same, comprising the following compositions in percentages by weight: carbon: 0.24-0.32%, silicon: 0.20-0.50%, manganese: 1.30-1.70%, phosphorus: less than or equal to 0.02%, sulphur: less than or equal to 0.02%, copper: less than or equal to 0.30%, chromium: 0.50-0.80%, nickel: 0.40-0.70%, molybdenum: 0.25-0.45%, aluminium: 0.02-0.08%, and the remainders are iron and other inevitable elements. The steel of the present invention is advantaged in high strength and excellent toughness and therefore the mechanical property thereof is better than the standard of conventional grade E steel.
    Type: Application
    Filed: June 28, 2011
    Publication date: December 15, 2011
    Applicants: MUDANJIANG JINYUAN COUPLER AND DRAFT GEAR MANUFACTURING CO., LTD., QIQIHAR RAILWAY ROLLING STOCK CO., LTD.
    Inventors: XIAOFENG QIN, Chunguo Tao, Yang Lu, Limin Xiao, Baoli Wen, Xunqian Wei