Patents by Inventor Yongfeng He

Yongfeng He 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: 8561319
    Abstract: The present invention involves to the industrial automated producing method for dewatering the sludge into the dry sludge powder and the assembly thereof. The present method is to realize the industrial automated production in the industrial automated producing assembly, especially in the main equipment, dehydrator, for dewatering the sludge into the dry sludge powder, so as to dewater the sludge having the moisture content below 85% into the dry powder having the moisture content below 5%. The method and assembly of the present invention realizes recycling, reducing, stabilizing, and reusing the sludge, and can be widely applied for dewatering process of the domestic, industrial or riverway sludge or sediment.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: October 22, 2013
    Inventor: Yongfeng He
  • Publication number: 20110271549
    Abstract: The present invention involves to the industrial automated producing method for dewatering the sludge into the dry sludge powder and the assembly thereof. The present method is to realize the industrial automated production in the industrial automated producing assembly, especially in the main equipment, dehydrator, for dewatering the sludge into the dry sludge powder, so as to dewater the sludge having the moisture content below 85% into the dry powder having the moisture content below 5%. The method and assembly of the present invention realizes recycling, reducing, stabilizing, and reusing the sludge, and can be widely applied for dewatering process of the domestic, industrial or riverway sludge or sediment.
    Type: Application
    Filed: April 17, 2009
    Publication date: November 10, 2011
    Inventor: Yongfeng He