Patents by Inventor Zhihui Lin

Zhihui Lin 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).

  • Process for preparing metal-chelate retarder by sol-gel method
    Patent number: 11603488
    Abstract: The present invention relates to a process for preparing a metal-chelate retarder by a sol-gel method. The method comprises the following steps: weighing calcium nitrate tetrahydrate, aluminum nitrate nonahydrate and ferric nitrate nonahydrate according to a certain mass ratio and adding them into deionized water; placing the mixed solution on a magnetic stirrer and stirring the mixed solution evenly; adding citric acid monohydrate or gluconic acid, ethylene glycol or glycerol, and placing the mixed solution into a water bath to react to obtain the metal-chelate retarder. The process of the present invention has a reliable principle, overcomes the defects of long production period, complex preparation and the like of the existing retarders, has the advantages of simple process operation, cheap and easily available raw materials, and short production period.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: March 14, 2023
    Assignees: SOUTHWEST PETROLEUM UNIVERSITY, CNPC BOHAI DRILLING ENGINEERING COMPANY LIMITED
    Inventors: Xiaowei Cheng, Shuxun Zhao, Yang Yu, Zhihui Lin, Gaoyin Zhang, Chaoming Wu, Kaiqiang Liu, Wenming Liu, Zuwei Chen, Jiawen Fu, Tianpeng Zuo, Ben Qi, Chunmei Zhang, Zaoyuan Li, Sheng Huang, Xiaoyang Guo
  • PROCESS FOR PREPARING METAL-CHELATE RETARDER BY SOL-GEL METHOD
    Publication number: 20210079288
    Abstract: The present invention relates to a process for preparing a metal-chelate retarder by a sol-gel method. The method comprises the following steps: weighing calcium nitrate tetrahydrate, aluminum nitrate nonahydrate and ferric nitrate nonahydrate according to a certain mass ratio and adding them into deionized water; placing the mixed solution on a magnetic stirrer and stirring the mixed solution evenly; adding citric acid monohydrate or gluconic acid, ethylene glycol or glycerol, and placing the mixed solution into a water bath to react to obtain the metal-chelate retarder. The process of the present invention has a reliable principle, overcomes the defects of long production period, complex preparation and the like of the existing retarders, has the advantages of simple process operation, cheap and easily available raw materials, and short production period.
    Type: Application
    Filed: July 22, 2020
    Publication date: March 18, 2021
    Inventors: Xiaowei CHENG, Shuxun ZHAO, Yang YU, Zhihui LIN, Gaoyin ZHANG, Chaoming WU, Kaiqiang LIU, Wenming LIU, Zuwei CHEN, Jiawen FU, Tianpeng ZUO, Ben QI, Chunmei ZHANG, Zaoyuan LI, Sheng HUANG, Xiaoyang GUO
  • Method and device for group-transmitting multimedia messages
    Patent number: 9084094
    Abstract: The present disclosure discloses a method for group-transmitting multimedia messages. The method comprises the following steps: setting addresses of reception parties at a transmission terminal; after a multimedia message is edited by a user, the transmission terminal establishing a connection via Wireless Fidelity (WIFI) with reception terminals according to the addresses of the reception parties, and transmitting the multimedia message to the reception terminals via the established connection according to the addresses of the reception parties. The present disclosure further discloses a device for group-transmitting multimedia messages. The method and the device of the present disclosure realize the group-transmission of multimedia messages without limiting the size of the multimedia messages, thus profiting the development and popularization of the multimedia message service.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: July 14, 2015
    Assignee: ZTE Corporation
    Inventors: Zhihui Lin, Qi Qiao, Yi Liu
  • METHOD AND DEVICE FOR GROUP-TRANSMITTING MULTIMEDIA MESSAGES
    Publication number: 20130235787
    Abstract: The present disclosure discloses a method for group-transmitting multimedia messages. The method comprises the following steps: setting addresses of reception parties at a transmission terminal; after a multimedia message is edited by a user, the transmission terminal establishing a connection via Wireless Fidelity (WIFI) with reception terminals according to the addresses of the reception parties, and transmitting the multimedia message to the reception terminals via the established connection according to the addresses of the reception parties. The present disclosure further discloses a device for group-transmitting multimedia messages. The method and the device of the present disclosure realize the group-transmission of multimedia messages without limiting the size of the multimedia messages, thus profiting the development and popularization of the multimedia message service.
    Type: Application
    Filed: March 17, 2011
    Publication date: September 12, 2013
    Applicant: ZTE Corporation
    Inventors: Zhihui Lin, Qi Qiao, Yi Liu
  • Electrical muscle stimulation trainer set
    Patent number: D870299
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: December 17, 2019
    Assignee: Shenzhen Heigou Industrial Co., Ltd
    Inventor: Zhihui Lin