Patents by Inventor Fengmei Li

Fengmei Li 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: 10717119
    Abstract: The present invention relates to a potential difference-based diversion electrode arrangement and field intensity compensation method, comprising the following steps: the arrangement positions of paired diversion electrodes are determined according to the difference of potential around a position of field intensity to be compensated and the direction of an electric field line, and the paired diversion electrodes are inserted; and the field intensity enhancement rate of the position of field intensity to be compensated and the compensated field intensity value are calculated according to the difference of potential and arrangement positions of the paired diversion electrodes.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: July 21, 2020
    Assignee: Shenyang Institute of Applied Ecology, Chinese Academy of Sciences
    Inventors: Shuhai Guo, Bo Wu, Fengmei Li, Jianing Wang
  • Patent number: 10471485
    Abstract: Presented is an electric field intensity compensation method for constructing a non-uniform electric field through an auxiliary electrode, including steps of: in a matrix electrode unit, designing an auxiliary electrode arrangement position according to the spatial distribution of the pollutant concentration; designing the polarity of the auxiliary electrode according to the position relationship between the auxiliary electrode and matrix electrodes; and constructing a non-uniform electric field by the auxiliary electrode and the matrix electrodes to implement space compensation of the electric field intensity.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: November 12, 2019
    Assignee: SHENYANG INSTITUTE OF APPLIED ECOLOGY, CHINESE ACADEMY OF SCIENCES
    Inventors: Shuhai Guo, Bo Wu, Fengmei Li, Sa Wang
  • Publication number: 20180043406
    Abstract: The present invention relates to a potential difference-based diversion electrode arrangement and field intensity compensation method, comprising the following steps: the arrangement positions of paired diversion electrodes are determined according to the difference of potential around a position of field intensity to be compensated and the direction of an electric field line, and the paired diversion electrodes are inserted; and the field intensity enhancement rate of the position of field intensity to be compensated and the compensated field intensity value are calculated according to the difference of potential and arrangement positions of the paired diversion electrodes.
    Type: Application
    Filed: March 30, 2016
    Publication date: February 15, 2018
    Applicant: SHENYANG INSTITUTE OF APPLIED ECOLOGY, CHINESE ACA DEMY OF SCIENCES
    Inventors: Shuhai GUO, Bo WU, Fengmei LI, Jianing WANG
  • Publication number: 20180043405
    Abstract: The present invention relates to an electric field intensity compensation method for constructing a non-uniform electric field through an auxiliary electrode, comprising the following steps: in a matrix electrode unit, designing auxiliary electrode arrangement position according to the spatial distribution of the pollutant concentration; designing the polarity of the auxiliary electrode according to the position relationship between the auxiliary electrode and matrix electrodes; and constructing a non-uniform electric field by the auxiliary electrode and the matrix electrodes to implement space compensation of the electric field intensity, In the present invention, a non-uniform electric field matching a pollutant concentration field is constructed by setting the space arrangement and polarity of the auxiliary electrodes on the basis of the matrix electrodes according to the spatial distribution of the pollutant concentration, the contradiction of consistency between the heterogeneity of the spatial distribut
    Type: Application
    Filed: March 30, 2016
    Publication date: February 15, 2018
    Applicant: SHENYANG INSTITUTE OF APPLIED ECOLOGY, CHINESE ACADEMY OF SCIENCES
    Inventors: Shuhai GUO, Bo WU, Fengmei LI, Sa WANG
  • Patent number: 7214535
    Abstract: The present invention relates to a novel 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS). It is highly tolerant to glyphosate, the competitive inhibitor of the substrate phosphoenolpyruvate (PEP). The invention also relates to a gene encoding the synthase, a construct and a vector comprising said gene, and a host cell transformed with said construct or vector.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: May 8, 2007
    Assignee: Peking University
    Inventors: Yicheng Sun, Yancheng Chen, Fengmei Li, Zhexian Tian, Min Lin, Yiping Wang
  • Publication number: 20060010511
    Abstract: The present invention relates to a novel 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS). It is highly tolerant to glyphosate, the competitive inhibitor of the substrate phosphoenolpyruvate (PEP). The invention also relates to a gene encoding the synthase, a construct and a vector comprising said gene, and a host cell transformed with said construct or vector.
    Type: Application
    Filed: August 5, 2002
    Publication date: January 12, 2006
    Inventors: Yicheng Sun, Yancheng Chen, Fengmei Li, Zhexian Tian, Min Lin, Yiping Wang