Patents by Inventor Lingfu REN

Lingfu REN 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).

  • Publication number: 20190035203
    Abstract: The invention discloses an express box for logistics, which comprises a box cover and a box body, wherein the box body comprises a housing, a sponge layer and an ice tank, bushings are fixedly welded at an upper end of one side face of the housing which is perpendicular to a side face where the ice tank is located, locking buckles are symmetrically arranged at one end of the box cover which is close to the electronic lock, two said locking buckles match locking holes on the housing, and a rotating shaft is fixedly welded at the other end of the box cover. The express box for logistics has the advantages of reasonable structural design, good fresh-keeping effects and the like.
    Type: Application
    Filed: May 29, 2018
    Publication date: January 31, 2019
    Inventor: Lingfu REN