TREA

Junlong LIU

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  • SHENZHEN, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Eye exercising device and method
    • Patent number 12,263,135
    • Issue date Apr 1, 2025
    • Wei Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Silt filtering device
    • Patent number 10,961,687
    • Issue date Mar 30, 2021
    • Xiaojun Liu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Municipal waste sorting system
    • Patent number 10,864,554
    • Issue date Dec 15, 2020
    • Xiaojun Liu
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Water conserving reaming system
    • Patent number 10,662,713
    • Issue date May 26, 2020
    • Xiaojun Liu
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Water conserving, secure, and environmentnt protective device
    • Patent number 10,640,941
    • Issue date May 5, 2020
    • Xiaojun Liu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Sewage treatment device
    • Patent number 10,618,829
    • Issue date Apr 14, 2020
    • Xiaojun Liu
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Sewage treatment device
    • Patent number 10,619,339
    • Issue date Apr 14, 2020
    • Xiaojun Liu
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water conserving gate
    • Patent number 10,604,904
    • Issue date Mar 31, 2020
    • Xiaojun Liu
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Municipal warning lamp
    • Patent number 10,480,731
    • Issue date Nov 19, 2019
    • Xiaojun Liu
    • F21 - LIGHTING
  • Information Patent Grant

    High-intelligent LED street lamp
    • Patent number 10,458,637
    • Issue date Oct 29, 2019
    • Xiaojun Liu
    • F21 - LIGHTING
  • Information Patent Grant

    Low-impact water conserving dam
    • Patent number 10,415,200
    • Issue date Sep 17, 2019
    • Xiaojun Liu
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Sewage treatment system
    • Patent number 10,384,955
    • Issue date Aug 20, 2019
    • Xiaojun Liu
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents