Patents by Inventor Guohong MA

Guohong MA 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).

  • High-temperature-resistant casting system and preparation method thereof
    Patent number: 12103066
    Abstract: A high-temperature-resistant casting system comprises following casting elements in a connection relationship: a sprue cup (1) and a down sprue (2) connected with a lower end of the sprue cup, wherein the other end of the down sprue is connected with one end of a filtering element (6), the other end of the filtering element is connected with a three-way pipe (3), openings in two sides of the three-way pipe are connected with one end of an inlet section of a runner (4), and one end of an outlet section of the runner is connected with a tapered elbow (5). The casting elements comprise the following components in percentage by weight: 41-51% of a refractory fiber, 40-51% of a silicate fiber and 5-19% of a binder. A preparation method of the high-temperature-resistant casting system is further provided.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: October 1, 2024
    Assignee: CHANGZHOU WANXING PAPER PLASTIC CO., LTD.
    Inventors: Guohong Ma, Zhaoyuan Ma, Zhaoxiang Ma, Weiming Yu, Gongwei Dai, Chenhang Ma
  • HIGH-TEMPERATURE-RESISTANT CASTING SYSTEM AND PREPARATION METHOD THEREOF
    Publication number: 20220234094
    Abstract: A high-temperature-resistant casting system comprises following casting elements in a connection relationship: a sprue cup (1) and a down sprue (2) connected with a lower end of the sprue cup, wherein the other end of the down sprue is connected with one end of a filtering element (6), the other end of the filtering element is connected with a three-way pipe (3), openings in two sides of the three-way pipe are connected with one end of an inlet section of a runner (4), and one end of an outlet section of the runner is connected with a tapered elbow (5). The casting elements comprise the following components in percentage by weight:41-51% of a refractory fiber, 40-51% of a silicate fiber and 5-19% of a binder. A preparation method of the high-temperature-resistant casting system is further provided.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 28, 2022
    Applicant: CHANGZHOU WANXING PAPER PLASTIC CO., LTD.
    Inventors: Guohong MA, Zhaoyuan MA, Zhaoxiang MA, Weiming YU, Gongwei DAI, Chenhang MA