Patents by Inventor Yongfa Gui

Yongfa Gui 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).

  • Device for forming a multi-flavor composite structure filter rod in one step and a method thereof using the device
    Patent number: 11812779
    Abstract: The present disclosure concerns a device for forming a multi-flavor composite structure filter rod in one step, including the following components: a tow transmission belt, a tow guiding horn-shaped mouth, a tow assembly paper collection groove, a cigarette lap adhesive applying device and multi-flavor adding devices. According to shapes and types of flavors, the multi-flavor adding devices are arranged in different sections to obtain one-step formation of the multi-flavor composite structure filter rods. The present disclosure also discloses a one-step method of forming the multi-flavor composite structure filter rod using the one-step forming device.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: November 14, 2023
    Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD.
    Inventors: Baoshan Yue, Jianbo Zhan, Tao Wang, Yanfei Shen, Ying Zhang, Zhenhua Yu, Hao Wang, Yongfa Gui, Jiao Xie, Han Zheng, Tingting Yu, Yao Yu, Jiang Yu, Liwei Li, Xu Wang
  • DEVICE FOR FORMING A MULTI-FLAVOR COMPOSITE STRUCTURE FILTER ROD IN ONE STEP AND A METHOD THEREOF USING THE DEVICE
    Publication number: 20230320411
    Abstract: The present disclosure concerns a device for forming a multi-flavor composite structure filter rod in one step, including the following components: a tow transmission belt, a tow guiding horn-shaped mouth, a tow assembly paper collection groove, a cigarette lap adhesive applying device and multi-flavor adding devices. According to shapes and types of flavors, the multi-flavor adding devices are arranged in different sections to obtain one-step formation of the multi-flavor composite structure filter rods. The present disclosure also discloses a one-step method of forming the multi-flavor composite structure filter rod using the one-step forming device.
    Type: Application
    Filed: March 1, 2023
    Publication date: October 12, 2023
    Inventors: Baoshan YUE, Jianbo ZHAN, Tao WANG, Yanfei SHEN, Ying ZHANG, Zhenhua YU, Hao WANG, Yongfa GUI, Jiao XIE, Han ZHENG, Tingting YU, Yao YU, Jiang YU, Liwei LI, Xu WANG