Patents by Inventor Pengyi WANG

Pengyi WANG 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).

  • Composite polyester hot-melt adhesive and preparation method thereof and preparation method of anti-scouring geotextile
    Patent number: 12152173
    Abstract: A composite polyester hot-melt adhesive, a preparation method thereof and a preparation method of an anti-scouring geotextile are provided. The preparation method of the composite polyester hot-melt adhesive includes the following steps: performing an esterification reaction on a dibasic acid and a dihydric alcohol under a protection of nitrogen and an action of a titanium/cobalt composite catalyst, adding a stabilizer for a polycondensation reaction to obtain a polyester hot-melt adhesive, then adding polymethyl methacrylate (PMMA) microspheres for mixing and stirring to obtain the composite polyester hot-melt adhesive. The anti-scouring geotextile is obtained by bonding a polyethylene terephthalate woven fabric with a polypropylene geotextile by the composite polyester hot-melt adhesive.
    Type: Grant
    Filed: July 4, 2020
    Date of Patent: November 26, 2024
    Assignee: China Institute of Water Resources and Hydropower Research
    Inventors: Shu Yu, Zuyu Chen, Laizhang Zhang, Wenxin Yang, Yanfeng Wen, Zhanbin Li, Wei Cao, Maosheng Zhang, Fan Yue, Yanlong Li, Peng Li, Zheng Si, Wugang Gao, Pengyi Liu, Weiqin Dang, Zongjun Han, Jiawei Zhou, Qiang Xue, Qiang Zhang, Aiping Wang, Yumei Guo, Xiaowei Liang, Xueying Liu
  • Device and method for sheet flexible-die forming based on magnetorheological elastomer
    Patent number: 10293523
    Abstract: A flexible-die forming apparatus includes a piston, a coil, an upper die, a magnetorheological elastomer, and a lower die having a cavity formed thereon. The upper die is arranged to be overlappedly rested on top of the lower die. The piston is movably received in the receiving cavity of the upper die. The magnetorheological elastomer is mounted at a lower portion of the piston, and is received in the receiving cavity of the upper die. The coil is provided and wounded on an exterior surface of the upper die and the lower die.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: May 21, 2019
    Inventors: Zhongjin Wang, Pengyi Wang, Xiao Luo
  • Device and Method for Flexible Die Forming Plate Based on Magnetorheological Elastomer
    Publication number: 20160158974
    Abstract: A flexible-die forming apparatus includes a piston, a coil, an upper die, a magnetorheological elastomer, and a lower die having a cavity formed thereon. The upper die is arranged to be overlappedly rested on top of the lower die. The piston is movably received in the receiving cavity of the upper die. The magnetorheological elastomer is mounted at a lower portion of the piston, and is received in the receiving cavity of the upper die. The coil is provided and wounded on an exterior surface of the upper die and the lower die.
    Type: Application
    Filed: April 30, 2014
    Publication date: June 9, 2016
    Inventors: Zhongjin WANG, Pengyi WANG, Binxian YUAN, Xiao LUO