Patents by Inventor Haijun Bao

Haijun Bao 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).

  • Continuous distillation process
    Patent number: 11505764
    Abstract: A continuous distillation process comprises the following steps: putting a material into a multilayer distillation tower to enable the material to sequentially undergo preheating, extrusion pricking, steam distillation, meal roasting, drying and cooling treatment, condensing essential oil-containing steam, and carrying out water separation, so as to obtain an essential oil.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: November 22, 2022
    Inventors: Lijun Qi, Shaowei Han, Shaodong Ji, Fengfei Li, Wenjiang Yang, Haijun Bao
  • CONTINUOUS DISTILLATION PROCESS
    Publication number: 20200255765
    Abstract: A continuous distillation process comprises the following steps: putting a material into a multilayer distillation tower to enable the material to sequentially undergo preheating, extrusion pricking, steam distillation, meal roasting, drying and cooling treatment, condensing essential oil-containing steam, and carrying out water separation, so as to obtain an essential oil.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 13, 2020
    Applicant: CHENGUANG BIOTECH GROUP CO., LTD.
    Inventors: Lijun Qi, Shaowei Han, Shaodong Ji, Fengfei Li, Wenjiang Yang, Haijun Bao