Xianfeng Li

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Suzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automatic moving snow removal device
- Patent number 11,993,904
- Issue date May 28, 2024
- Positec Power Tools (Suzhou) Co., Ltd.
- Don Zhendong Gao
- G01 - MEASURING TESTING
Information Patent Grant
Automatic moving snow removal device
- Patent number 11,352,757
- Issue date Jun 7, 2022
- Positec Power Tools (Suzhou) Co., Ltd.
- Don Zhendong Gao
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Automatic moving snow removal device
- Patent number 10,920,386
- Issue date Feb 16, 2021
- Positec Power Tools (Suzhou) Co., Ltd.
- Don Zhendong Gao
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Automatic Moving Snow Removal Device
- Publication number 20240287749
- Publication date Aug 29, 2024
- Positec Power Tools (Suzhou) Co., Ltd
- Don Zhendong Gao
- G01 - MEASURING TESTING
Information Patent Application
Automatic Moving Snow Removal Device
- Publication number 20220282440
- Publication date Sep 8, 2022
- Positec Power Tools (Suzhou) Co., Ltd
- Don Zhendong Gao
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Automatic Moving Snow Removal Device
- Publication number 20200392684
- Publication date Dec 17, 2020
- Positec Power Tools (Suzhou) Co., Ltd
- Don Zhendong Gao
- G05 - CONTROLLING REGULATING
Information Patent Application
Automatic Moving Snow Removal Device
- Publication number 20190003137
- Publication date Jan 3, 2019
- Positec Power Tools (Suzhou) Co., Ltd
- Zhendong Gao
- G05 - CONTROLLING REGULATING