Patents by Inventor Zhenhai Liu

Zhenhai Liu 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).

  • Patent number: 11338256
    Abstract: Disclosed is an automatic sealant production line, including a sealant preparation apparatus and a packaging apparatus. The sealant preparation apparatus includes a material storage device, a liquid storage device, a material sending device, a lateral material feeding device, a first-order screw unit, a first liquid feeding device, a heat exchanger, a second-order screw unit, a pigment feeding device, a cooler and a buffer tank device. The packaging apparatus includes a filling device and a packaging device.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: May 24, 2022
    Assignee: Guangzhou Baiyun Chemical Industry Co., Ltd.
    Inventors: Xiaohua Shi, Xueqing Hu, Xuexin Pang, Mingsong Miao, Zhenhai Liu, Jianjin Lin, Haolin Hu
  • Publication number: 20210322935
    Abstract: Disclosed is an automatic sealant production line, including a sealant preparation apparatus and a packaging apparatus. The sealant preparation apparatus includes a material storage device, a liquid storage device, a material sending device, a lateral material feeding device, a first-order screw unit, a first liquid feeding device, a heat exchanger, a second-order screw unit, a pigment feeding device, a cooler and a buffer tank device. The packaging apparatus includes a filling device and a packaging device.
    Type: Application
    Filed: December 7, 2018
    Publication date: October 21, 2021
    Applicant: Guangzhou Baiyun Chemical Industry Co., Ltd.
    Inventors: Xiaohua Shi, Xueqing Hu, Xuexin Pang, Mingsong Miao, Zhenhai Liu, Jianjin Lin, Haolin Hu