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Hao Du

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  • Guangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Folding mechanism of a machine arm
    • Patent number D807416
    • Issue date Jan 9, 2018
    • Guangzhou Ehang Intelligent Technology Co., Ltd.
    • Hao Du
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Screw propeller
    • Patent number D792318
    • Issue date Jul 18, 2017
    • Guangzhou Ehang Intelligent Technology Co., Ltd.
    • Hao Du
    • D12 - Transportation
  • Information Patent Grant

    Aircraft
    • Patent number D785541
    • Issue date May 2, 2017
    • Guangzhou Ehang Intelligent Technology Co., Ltd.
    • Hao Du
    • D12 - Transportation
  • Information Patent Grant

    Electric motor
    • Patent number D785566
    • Issue date May 2, 2017
    • Guangzhou Ehang Intelligent Technology Co., Ltd.
    • Hao Du
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents