Shanna Yuan

Follow

Person

Shandong, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Humidification device and air treatment system
- Patent number 10,415,839
- Issue date Sep 17, 2019
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Youning Wang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
TOP COVER OF AIR TREATMENT SYSTEM
- Publication number 20170167748
- Publication date Jun 15, 2017
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Youning Wang
- F24 - HEATING RANGES VENTILATING
Information Patent Application
TOP COVER FOR AIR TREATMENT SYSTEM AND AIR TREATMENT SYSTEM
- Publication number 20170130986
- Publication date May 11, 2017
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Youning Wang
- F24 - HEATING RANGES VENTILATING
Information Patent Application
HUMIDIFICATION DEVICE AND AIR TREATMENT SYSTEM
- Publication number 20170130977
- Publication date May 11, 2017
- QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.
- Youning Wang
- F24 - HEATING RANGES VENTILATING