TREA

Hailing Yang

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  • Midlothian, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tree or plant protection mat
    • Patent number 11,968,933
    • Issue date Apr 30, 2024
    • Zynnovation LLC
    • Wei Zhang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Tree or plant protection mat
    • Patent number 10,624,276
    • Issue date Apr 21, 2020
    • Zynnovation LLC
    • Wei Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Tree or plant protection mat
    • Patent number 10,178,834
    • Issue date Jan 15, 2019
    • Zynnovation LLC
    • Wei Zhang
    • C05 - FERTILISERS MANUFACTURE THEREOF
  • Information Patent Grant

    Tree or plant protection mat
    • Patent number 9,565,809
    • Issue date Feb 14, 2017
    • Zynnovation LLC
    • Wei Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents