Patents by Inventor Yuqiang Cao

Yuqiang Cao 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).

  • Three-dimensional focusing induced polarization equipment for advanced geological prediction of water inrush disaster source in underground engineering
    Patent number: 9256003
    Abstract: The invention discloses three-dimensional focusing induced polarization equipment for advance geological prediction of a water inrush disaster source in underground engineering, comprising a constant-current multiplex transmitter, an intelligent multichannel receiver, an automatic multi-electrode switch, an industrial personal computer, an observation electrode array and shielding electrodes, wherein electrodes in the observation electrode array are respectively used as a source electrode and observation electrodes; the industrial personal computer controls the constant-current multiplex transmitter to transmit currents of the same polarity to the shielding electrodes and the source electrode, so that the currents of the source electrodes are nearly directed straight ahead of a driving face under the action of the shielding electrodes; the observation electrodes are used for scanning data acquisition, and the data are fed back to the industrial personal computer through the intelligent multi-channel receiver;
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: February 9, 2016
    Assignee: SHAN DONG UNIVERSITY
    Inventors: Shucai Li, Bin Liu, Lichao Nie, Qingmei Sui, Jie Song, Tingyu Hao, Yuqiang Cao, Faye Zhang, Jing Wang, Zhengyu Liu, Huaifeng Sun
  • THREE-DIMENSIONAL FOCUSING INDUCED POLARIZATION EQUIPMENT FOR ADVANCED GEOLOGICAL PREDICTION OF WATER INRUSH DISASTER SOURCE IN UNDERGROUND ENGINEERING
    Publication number: 20150077119
    Abstract: The invention discloses three-dimensional focusing induced polarization equipment for advance geological prediction of a water inrush disaster source in underground engineering, comprising a constant-current multiplex transmitter, an intelligent multichannel receiver, an automatic multi-electrode switch, an industrial personal computer, an observation electrode array and shielding electrodes, wherein electrodes in the observation electrode array are respectively used as a source electrode and observation electrodes; the industrial personal computer controls the constant-current multiplex transmitter to transmit currents of the same polarity to the shielding electrodes and the source electrode, so that the currents of the source electrodes are nearly directed straight ahead of a driving face under the action of the shielding electrodes; the observation electrodes are used for scanning data acquisition, and the data are fed back to the industrial personal computer through the intelligent multi-channel receiver;
    Type: Application
    Filed: January 17, 2013
    Publication date: March 19, 2015
    Inventors: Shucai Li, Bin Liu, Lichao Nie, Qingmei Sui, Jie Song, Tingyu Hao, Yuqiang Cao, Faye Zhang, Jing Wang, Zhengyu Liu, Huaifeng Sun