Patents by Inventor Ruihong Zhang

Ruihong Zhang 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).

  • Biogasification of solid waste with an anaerobic-phased solids-digester system
    Publication number: 20020102673
    Abstract: The present invention provides methods for the generation of methane by a two phase anaerobic phase system (APS) digestion of organic substrates. Also provided is a device for practicing the methods of the invention. The APS-digester system is a space-efficient, high-rate solids digestion system. The APS-digester system consists of one or more hydrolysis reactors and one biogasification reactor.
    Type: Application
    Filed: December 11, 2001
    Publication date: August 1, 2002
    Applicant: The Regents of the University of California
    Inventors: Ruihong Zhang, Zhiqin Zhang
  • Biogasification of solid waste with an anaerobic-phased solids-digester system
    Patent number: 6342378
    Abstract: The present invention provides methods for the generation of methane by a two phase anaerobic phase system (APS) digestion of organic substrates. Also provided is a device for practicing the methods of the invention. The APS-digester system is a space-efficient, high-rate solids digestion system. The APS-digester system consists of one or more hydrolysis reactors and one biogasification reactor.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: January 29, 2002
    Assignee: The Regents of the University of California
    Inventors: Ruihong Zhang, Zhiqin Zhang