Qinghai Xu

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Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Woodwork milling fence device with a precision fine-tuning function
- Patent number 11,865,660
- Issue date Jan 9, 2024
- Harvey woodworking Technology (Nanjing) Co., Ltd.
- Xiaogang Qin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Dust separation apparatus and intelligent control system including...
- Patent number 10,159,990
- Issue date Dec 25, 2018
- HARVEY INDUSTRIES CO., LTD.
- Yi Hua
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Dust separator
- Patent number D792568
- Issue date Jul 18, 2017
- NANJING HARVEY INDUSTRIES CO., LTD.
- Yi Hua
- D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR PRESSING MATERIALS GUIDED BY ROLLERS FOR CARPENTRY CUTTING
- Publication number 20230321774
- Publication date Oct 12, 2023
- HARVEY WOODWORKING TECHNOLOGY (NANJING) CO., LTD
- Jian DING
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Woodwork milling fence device with a precision fine-tuning function
- Publication number 20220355428
- Publication date Nov 10, 2022
- Xiaogang Qin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
DUST SEPARATION APPARATUS AND INTELLIGENT CONTROL SYSTEM INCLUDING...
- Publication number 20170333918
- Publication date Nov 23, 2017
- HARVEY INDUSTRIES CO., LTD.
- Yi HUA
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...