Patents by Inventor Wenqiang Lin

Wenqiang Lin 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 removing stems in a cigarette making process and a method for removing the stems
    Patent number: 12011031
    Abstract: A stem removal device for a cigarette making process is disclosed, including a feeding unit (N1), a flexible air sorting unit (N2), a pure tobacco collection unit (N3), a tobacco conveying unit (N4), a coarse stem removal unit (N5) and a fine stem removal unit (N6). A method for removing the stems during the cigarette making process using the stem removal device is also disclosed.
    Type: Grant
    Filed: February 19, 2024
    Date of Patent: June 18, 2024
    Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD.
    Inventors: Banghua He, Jun Tang, Bin Yi, Bing Zhou, Wenqiang Lin, Jin Wang, Bo Cai, Xiaohua Gao, Chao Li, Guozhi Tan, Yadong Wen, Li Tang, Sidi Lin, Jielin Sun
  • Device and method for removing unwanted objects from cut tobacco in a cut tobacco production line
    Patent number: 11944116
    Abstract: A device for removing unwanted objects from cut tobacco in a cut tobacco production line is disclosed, which includes: a raw cut tobacco feeding and conveying unit (N1), a heavy unwanted object removal unit (N2), a cut tobacco dispersion and recovery unit (N3), a moderate unwanted object removal unit (N4), a cut tobacco humidification unit (N5) and a light unwanted object removal unit (N6). An unwanted object removal method using the cut tobacco unwanted object removal device is also disclosed. The device and method of the disclosure can effectively remove unwanted objects from cut tobacco.
    Type: Grant
    Filed: November 3, 2023
    Date of Patent: April 2, 2024
    Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD.
    Inventors: Jun Tang, Banghua He, Bin Yi, Bing Zhou, Wenqiang Lin, Bo Cai, Hao Wang, Xiaohua Gao, Ze Liu, Ning Ma, Guozhi Tan, Wenqi Li, Li Tang, Huitian Li