Dong LIANG

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Changzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for controlling pressure in mask, and respirator
- Patent number 12,364,881
- Issue date Jul 22, 2025
- CHANGZHOU SHINE SCIENCE & TECHNOLOGY CO.LTD.
- Liang Chen
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CONTROLLING PRESSURE IN MASK, AND RESPIRATOR
- Publication number 20250222283
- Publication date Jul 10, 2025
- CHANGZHOU SHINE SCIENCE & TECHNOLOGY CO. LTD.
- Liang CHEN
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
ADAPTIVE AUXILIARY AIR SUPPLY RESPIRATOR AND CONTROL METHOD THEREOF
- Publication number 20250222284
- Publication date Jul 10, 2025
- CHANGZHOU SHINE SCIENCE & TECHNOLOGY CO. LTD.
- Liang CHEN
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
ATMOSPHERIC PRESSURE COMPENSATION CONTROL SYSTEM FOR POWERED AIR-PU...
- Publication number 20250195924
- Publication date Jun 19, 2025
- CCHANGZHOU SHINE SCIENCE & TECHNOLOGY CO. LTD.
- Liang CHEN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...