Patents by Inventor Zhiwei REN

Zhiwei 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: 20230324104
    Abstract: The present invention discloses a refrigerator door with a replaceable door surface, including: a foamed door body and a door shell plate; wherein a rear side of the door shell plate is provided with a hook; a front side of the foamed door body is provided with a press lock catch, which comprises a snap tab; and when the door shell plate is assembled on the front side of the foamed door body, the hook is snapped into the snap tab to limit the displacement of the door shell plate in a front-rear direction. In the present invention, the locking or unlocking between the hook and the snap tab is achieved by rotating the snap tab, which is rotatable in the press lock catch, between the first position and the second position, such that the door shell plate and the foamed door body are more convenient to assemble and disassemble.
    Type: Application
    Filed: September 9, 2021
    Publication date: October 12, 2023
    Inventors: JIAMING LI, HAO ZHANG, ZHIWEI REN, PENG LV
  • Publication number: 20230314061
    Abstract: The present invention discloses a refrigerator door with a replaceable door surface, including: a foamed door body and a decorative door plate; wherein a rear side of the decorative door plate is provided with a mating member; a front side of the foamed door body is provided with a magnetic lock catch, which comprises a plurality of balls; By clamping the mating member on the rear side of the decorative door plate by the plurality of balls of the magnetic lock catch in the foamed door body, the displacement of the decorative door plate in the front-rear direction is limited. In addition, the unlocking magnetic buckle is provided to repel with the magnetic ring, such that a locking relationship between the plurality of balls and the mating member is released, thereby achieving the effect of quickly disassembling and installing the decorative door plate.
    Type: Application
    Filed: September 9, 2021
    Publication date: October 5, 2023
    Inventors: JIAMING LI, HAO ZHANG, ZHIWEI REN, PENG LV
  • Publication number: 20230280084
    Abstract: The present invention provides a refrigerator door with a replaceable door panel, comprising: a door body and a decorative door panel detachably connected to the door body; a rotary latch and a limiting member are disposed on the door body; a rear side of the decorative door panel facing towards the door body comprises a second limiting member and a lock post wherein when the decorative door panel is assembled on a front side of the door body, the rotary latch and the lock post snap-fit each other to limit a displacement of the decorative door panel in an up-down direction; the first limiting member cooperates with the second limiting member to limit a displacement of the decorative door panel in a front-rear direction.
    Type: Application
    Filed: June 18, 2021
    Publication date: September 7, 2023
    Inventors: WENCHUN WANG, HAO ZHANG, PENG LV, ZHIWEI REN
  • Publication number: 20230194151
    Abstract: The present invention provides a refrigerator door body, provided with a door liner and a storage device mounted on the door liner; a hanging lug and a fitting groove which fit each other are provided between the door liner and the storage device, a power supply module is provided, in a fitting manner, between the hanging lug and the fitting groove, the power supply module comprises a first connector provided on the hanging lug and a second connector provided at the fitting groove, and the first connector and the second connector are connected to each other in a fitting manner when the storage device is mounted. The refrigerator door body of the present invention not only can function to support the storage device, but also can function to supply power to the storage device.
    Type: Application
    Filed: April 12, 2021
    Publication date: June 22, 2023
    Inventors: WENCHUN WANG, HAO ZHANG, ENPIN XIA, PENG LV, ZHIWEI REN
  • Patent number: 11282654
    Abstract: Methods and systems of producing perovskite material, in which the nucleation and crystallization processes are decoupled and, hence, independently controlled resulting in highly uniform nucleation sites for subsequent crystallization of perovskites. Methods and systems for using perovskite material and mixed perovskite films for solar cells.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: March 22, 2022
    Assignee: NAZARBAYEV UNIVERSITY RESEARCH AND INNOVATION SYSTEM
    Inventors: Charles Surya, Annie Ng, Zhiwei Ren
  • Publication number: 20200335285
    Abstract: Methods and systems of producing perovskite material, in which the nucleation and crystallization processes are decoupled and, hence, independently controlled resulting in highly uniform nucleation sites for subsequent crystallization of perovskites. Methods and systems for using perovskite material and mixed perovskite films for solar cells.
    Type: Application
    Filed: July 19, 2019
    Publication date: October 22, 2020
    Inventors: Charles SURYA, Annie NG, Zhiwei REN