Patents by Inventor Qingjin Yang

Qingjin Yang 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: 12722353
    Abstract: An all-in-one machine for folding and boxing fresh-keeping bags, and comprises: a base, an unwinding roller, a controller, a traction mechanism, a loosening prevention mechanism and a folding mechanism; the traction mechanism comprises a pushing assembly and four suction cups; the loosening prevention mechanism comprises a sliding assembly, a rotating assembly and a top plate; the folding mechanism comprises a cutting assembly, an edge sealing assembly and two folding assemblies; and the pushing assembly, the cutting assembly, the edge sealing assembly and the two folding assemblies are all electrically connected to the controller. The present invention can cut connected plastic bags into a plurality of equal-length fresh-keeping bags, can fold same together in a staggered S-shape and can store same.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: September 1, 2026
    Inventor: Qingjin Yang
  • Publication number: 20260014771
    Abstract: The present invention relates to the field of folding apparatuses, and specifically relates to an all-in-one machine for folding and boxing fresh-keeping bags, and comprises: a base, an unwinding roller, a controller, a traction mechanism, a loosening prevention mechanism and a folding mechanism; the traction mechanism comprises a pushing assembly and four suction cups; the loosening prevention mechanism comprises a sliding assembly, a rotating assembly and a top plate; the folding mechanism comprises a cutting assembly, an edge sealing assembly and two folding assemblies; and the pushing assembly, the cutting assembly, the edge sealing assembly and the two folding assemblies are all electrically connected to the controller.
    Type: Application
    Filed: July 22, 2022
    Publication date: January 15, 2026
    Applicant: Life Help (Jiangsu) Household Products Co., Ltd.
    Inventor: Qingjin Yang