Patents by Inventor Shumei DAI

Shumei DAI 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).

  • Roasting Furnace for Producing Industrial Catalyst
    Publication number: 20200088468
    Abstract: A roasting furnace for the production of industrial catalysts, provided with a ventilation system comprising a fresh air duct system and a circulating air duct system, wherein the fresh air duct system includes a high pressure blower, a fresh air inlet pipe and a loading frame. The fresh air-and-circulating air mixed roasting system allows the fresh air and circulating air to be fully mixed and dispersed to provide even heating. The catalyst product obtained after roasting has stable quality, good catalytic activity, and high strength.
    Type: Application
    Filed: February 9, 2017
    Publication date: March 19, 2020
    Applicant: ZHONGRONG TECHNOLOGY CO., LTD.
    Inventors: Qiuyuan LI, Shumei DAI