Ruikui DU

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Taiyuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
High-precision and high-efficiency injection mold for high-aspect-r...
- Patent number 11,745,402
- Issue date Sep 5, 2023
- North University of China
- Yaqing Liu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HIGH-PRECISION AND HIGH-EFFICIENCY INJECTION MOLD FOR HIGH-ASPECT-R...
- Publication number 20230173723
- Publication date Jun 8, 2023
- NORTH UNIVERSITY OF CHINA
- Yaqing LIU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ULTRAFILTRATION SYSTEM FOR ADVANCED TREATMENT OF COAL MINE WATER
- Publication number 20210178331
- Publication date Jun 17, 2021
- Shanxi Tieju Eco-Space Co. LTD
- Ruikui DU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE