Yajie CHENG

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Nozzle device applied to high-pressure cleaning machine and handhel...
- Patent number 11,896,986
- Issue date Feb 13, 2024
- Positec Technology China Co. Ltd.
- Yong Qiao
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
NOZZLE DEVICE APPLIED TO HIGH-PRESSURE CLEANING MACHINE AND HANDHEL...
- Publication number 20210316324
- Publication date Oct 14, 2021
- Positec Power Tools (Suzhou) Co., Ltd
- Yong QIAO
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...