Patents by Inventor Shiyun LIU

Shiyun 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: 11950624
    Abstract: A test system and a test method for a lip sticking force of tipping paper for cigarettes are provided. The test system includes an artificial lip and test equipment. The artificial lip is a silica gel block. The test equipment includes a friction meter testing platform, a force measuring sensor, a rigid rope, a pulley, a pulley bracket and a sample loading module. The pulley is installed on the pulley bracket, and the rigid rope slides in the pulley. The rigid rope is L-shaped, a first end of the rigid rope in a horizontal direction is connected to the force measuring sensor, and a second end of the rigid rope in a vertical direction is connected to the sample loading module. The artificial lip is located directly below the sample loading module, and the artificial lip is in contact with the sample loading module at a test position.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 9, 2024
    Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD
    Inventors: Ji Yang, Ze Liu, Qianxu Yang, Shiyun Tang, Zhenjie Li, Kai Wu, Chunbo Liu, Ruizhi Zhu, Xiaoxi Si, Wei Jiang
  • Publication number: 20190239666
    Abstract: The present invention discloses a pillow with an inflation function, including an air pillow body within which an inflatable sponge is disposed. A first sponge sheet is connected to an outer wall at one side of the inflatable sponge through a connecting sponge. In the present invention, a first air nozzle cap, a first air nozzle, a second air nozzle, a second air nozzle cap, and an inflatable sponge are disposed. During use, the inflatable pillow can be used as an inflation tool through repeated inflation and deflation and can inflate a portable inflatable mattress, thus facilitating daily use and improving the applicability.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 8, 2019
    Inventor: Shiyun LIU
  • Publication number: 20190239655
    Abstract: The present invention discloses a bag for accommodating an inflatable mattress, comprising a bag body and a first buckle clasp. A waterproof strip is provided on an outer surface of an upper end of the bag body. According to the bag for accommodating an inflatable mattress of the present invention, the bag body can be folded for inflation and has a waterproof function. The interlayer can be used as a pillow after being inflated, and the bag is easy to carry. Therefore, the bag has certain practicability and better application prospect.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 8, 2019
    Inventor: Shiyun LIU
  • Patent number: D899148
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: October 20, 2020
    Inventor: Shiyun Liu