Dong Sheng Li

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Patents Grantslast 30 patents

Information Patent Grant
Aroma diffusing system and aroma diffusing method thereof
- Patent number 9,517,286
- Issue date Dec 13, 2016
- Puzhen Life Co., Limited
- Dong Sheng Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Aroma diffuser with direct diffusion of essential oil and diffusing...
- Patent number 9,511,166
- Issue date Dec 6, 2016
- Puzhen Life Co., Limited
- Dong Sheng Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Aroma diffuser with adjustable essential oil gas proportion and aro...
- Patent number 9,421,295
- Issue date Aug 23, 2016
- Puzhen Life Co., Limited
- Dong Sheng Li
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Pump type aroma diffuser
- Patent number 9,211,357
- Issue date Dec 15, 2015
- Puzhen Life Co., Ltd.
- Dong Sheng Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Handheld Aroma Diffuser
- Publication number 20180043382
- Publication date Feb 15, 2018
- Puzhen Life Co., Limited
- Dong Sheng Li
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...