Lifeng Zheng

5 Patents

• US123342572025

  Expansion Valve Coil Assembly

  ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., Ltd.

  0 cites
• USD10718542025

  Charging Pile

  0 cites
• US122124862025

  Multi-host Link Aggregation for Active-active Cluster

  DELL PRODUCTS L.P.

  0 cites
• US121705832024

  Managing Communications for Host Devices Which Are Part of a Multi-host Link Aggregation Group

  Dell Products L.P.

  0 cites
• US115852182023

  Drilling Device for Surveying Front Rock-mass Intactness of Tunnel Face for Tunnel Constructed by TBM and Method Using the Same

  CHINA INSTITUTE OF WATER RESOURCES AND HYDROPOWER RESEARCH

  0 cites