Guoqiang Liu

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Yangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Toothbrush
- Patent number D1020261
- Issue date Apr 2, 2024
- Colgate Palmolive Company
- Youran Wang
- D04 - Brushware
Information Patent Grant
Oral care implement handle
- Patent number D987299
- Issue date May 30, 2023
- Colgate Palmolive Company
- Jiang Zhou
- D04 - Brushware
Information Patent Grant
Oral care implement
- Patent number D961269
- Issue date Aug 23, 2022
- Colgate Palmolive Company
- Fan Gang Xie
- D04 - Brushware
Information Patent Grant
Refill head for a toothbrush
- Patent number D956424
- Issue date Jul 5, 2022
- Colgate Palmolive Company
- Jiang Zhou
- D04 - Brushware
Information Patent Grant
Refill head for a toothbrush
- Patent number D955753
- Issue date Jun 28, 2022
- Colgate Palmolive Company
- Jiang Zhou
- D04 - Brushware
Information Patent Grant
Oral care implement handle
- Patent number D950957
- Issue date May 10, 2022
- Colgate Palmolive Company
- Jiang Zhou
- D04 - Brushware
Information Patent Grant
Toothbrush
- Patent number D934568
- Issue date Nov 2, 2021
- Colgate Palmolive Company
- Youran Wang
- D04 - Brushware
Information Patent Grant
Toothbrush
- Patent number D925925
- Issue date Jul 27, 2021
- Colgate Palmolive Company
- Youran Wang
- D04 - Brushware

Patents Applicationslast 30 patents

Information Patent Application
Toothbrush and Anchor Wire Therefor
- Publication number 20230210247
- Publication date Jul 6, 2023
- Colgate-Palmolive Company
- Guoqiang LIU
- A46 - BRUSHWARE
Information Patent Application
Oral Care Implement
- Publication number 20220395082
- Publication date Dec 15, 2022
- Colgate-Palmolive Company
- Bo ZHANG
- A46 - BRUSHWARE