Lingli REN

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Zaozhuang City, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating aged oil by electron beam irradiation
- Patent number 12,274,957
- Issue date Apr 15, 2025
- Shandong Hygiya Envtl Protection Equip Co., Ltd.
- Yi Li
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Integrated physical method oily sewage treatment device
- Patent number 11,383,996
- Issue date Jul 12, 2022
- Shandong HYGIYA ENVIRONMENTAL PROTECTION EQUIPMENT CO. LTD.
- Liping Wei
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR TREATING AGED OIL BY ELECTRON BEAM IRRADIATION
- Publication number 20240123372
- Publication date Apr 18, 2024
- YI LI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Integrated physical method oily sewage treatment device
- Publication number 20210331959
- Publication date Oct 28, 2021
- SHANDONG HYGIYA ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.
- Liping WEI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE