Patents by Inventor Qinfeng Wang

Qinfeng 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).

  • Tire with new sidewall pattern, and tire mold
    Patent number: 11602957
    Abstract: Provided are a tire with new sidewall pattern and a tire mold, which belongs to the technical field of tire, the tire includes a tire body, a sidewall of the tire body has a labeling region, in which multiple pattern units are provided; the pattern units are provided to protrude from the tire body, the pattern unit includes a curved portion having a curved segment and extension ends provided at both ends of the curved segment. The tire mold is used for manufacturing the tire. The tire has better visual performance and mechanical performance.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 14, 2023
    Assignee: Himile Mechanical Science and Technology (Shandong) Co., Ltd.
    Inventors: Chenglin Li, Peng Zhao, Ping Du, Wei Zhang, Gongyun Zhang, Jiqiang Shan, Yaoyu Gong, Qinfeng Wang, Riwen Sun, Zhilan Liu, Xiliang Shen
  • Head module for a rail vehicle
    Patent number: 11352027
    Abstract: The invention relates to a head module for a rail vehicle, said head module being suitable to be detachably fixed to the front face of a subsequent railcar unit without additional underframe. The head module consists of an inner and an outer shell and includes three systems which convert, in the event of a crash, the collision energy into a deformation one after the other or simultaneously and substantially independently of another.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: June 7, 2022
    Assignees: CRRC QINGDAO SIFANG CO., LTD., CG RAIL—CHINESISCH-DEUTSCHES FORSCHUNGS—UND ENTWICKLUNGSZENTRUM FÜR BAHN—UND VERKEHRSTECHNIK DRESDEN GMBH
    Inventors: Sansan Ding, Yuanmu Zhong, Hengkui Li, Xiangang Song, Lu Jin, Qinfeng Wang, Bingsong Wang, Werner Hufenbach, Andreas Ulbricht
  • TIRE WITH NEW SIDEWALL PATTERN, AND TIRE MOLD
    Publication number: 20210107320
    Abstract: Provided are a tire with new sidewall pattern and a tire mold, which belongs to the technical field of tire, the tire includes a tire body, a sidewall of the tire body has a labeling region, in which multiple pattern units are provided; the pattern units are provided to protrude from the tire body, the pattern unit includes a curved portion having a curved segment and extension ends provided at both ends of the curved segment. The tire mold is used for manufacturing the tire. The tire has better visual performance and mechanical performance.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 15, 2021
    Applicant: Himile Mechanical Science and Technology (Shandong) Co., Ltd.
    Inventors: Chenglin LI, Peng ZHAO, Ping DU, Wei ZHANG, Gongyun ZHANG, Jiqiang SHAN, Yaoyu GONG, Qinfeng WANG, Riwen SUN, Zhilan LIU, Xiliang SHEN
  • HEAD MODULE FOR A RAIL VEHICLE
    Publication number: 20200010098
    Abstract: The invention relates to a head module for a rail vehicle, said head module being suitable to be detachably fixed to the front face of a subsequent railcar unit without additional underframe. The head module consists of an inner and an outer shell and includes three systems which convert, in the event of a crash, the collision energy into a deformation one after the other or simultaneously and substantially independently of another.
    Type: Application
    Filed: February 2, 2018
    Publication date: January 9, 2020
    Applicants: CRRC QINGDAO SIFANG CO., LTD., CG RAIL - CHINESISCH-DEUTSCHES FORSCHUNGS- UND ENTWICKLUNGSZENTRUM FÜR BAHN- UND VERKEHRSTECHNIK
    Inventors: Sansan DING, Yuanmu ZHONG, Hengkui LI, Xiangang SONG, Lu JIN, Qinfeng WANG, Bingsong WANG, Werner HUFENBACH, Andreas ULBRICHT
  • Method for preparing poly (lactic acid)-based resin and its co-polymers
    Patent number: 7538181
    Abstract: A method for preparing poly (lactic acid)-based resin or its co-polymers with high molecular weight, the method comprising a condensation process using a thiaole cation condensing agent, as well as the polymers obtained therefrom.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: May 26, 2009
    Assignee: Shanghai Tong-Jie-Liang Biomaterials Co., Ltd.
    Inventors: Jie Ren, Qinfeng Wang, Naiwen Zhang
  • Method for preparing poly (lactic acid)- based resin and its co-polymers
    Publication number: 20070027296
    Abstract: A method for preparing poly (lactic acid)-based resin or its co-polymers with high molecular weight, the method comprising a condensation process using a thiaole cation condensing agent, as well as the polymers obtained therefrom.
    Type: Application
    Filed: January 20, 2006
    Publication date: February 1, 2007
    Applicant: SHANGHAI TONG-JIE-LIANG BIOMATERIALS CO., LTD.
    Inventors: Jie Ren, Qinfeng Wang, Naiwen Zhang