Ruirui LI

Follow

Person

Jiangsu, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Gas-powder separation three-phase jet flow fire monitor system
- Patent number 10,814,260
- Issue date Oct 27, 2020
- China University of Mining and Technology
- Beibei Li
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Double-spring and high-precision hysteretic pressure control valve
- Patent number 10,663,982
- Issue date May 26, 2020
- China University of Mining and Technology
- Xiumei Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
DOUBLE-SPRING AND HIGH-PRECISION HYSTERETIC PRESSURE CONTROL VALVE
- Publication number 20200133311
- Publication date Apr 30, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Xiumei LIU
- G05 - CONTROLLING REGULATING
Information Patent Application
GAS-POWDER SEPARATION THREE-PHASE JET FLOW FIRE MONITOR SYSTEM
- Publication number 20190344107
- Publication date Nov 14, 2019
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Beibei LI
- A62 - LIFE-SAVING FIRE-FIGHTING