Qing Liu

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Combustion process of glass kiln with non-catalytic reformers
- Patent number 11,680,706
- Issue date Jun 20, 2023
- Shanghai Yuanhan Energy & Chemical Technology Co., Ltd.
- Yunfeng Zhang
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Heat exchanging unit, a heat exchanging system and a method of dete...
- Patent number 11,236,919
- Issue date Feb 1, 2022
- Carrier Corporation
- Hui Zhai
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Motor and worm connection device for electric power steering system
- Patent number 11,052,938
- Issue date Jul 6, 2021
- THYSSENKRUP PRESTA SHANGHAI CO., LTD.
- Qing Liu
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
COMBUSTION PROCESS OF GLASS KILN WITH NON-CATALYTIC REFORMERS
- Publication number 20230035248
- Publication date Feb 2, 2023
- Shanghai Yuanhan Energy & Chemical Technology Co., Ltd.
- Yunfeng Zhang
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
HEAT EXCHANGING UNIT, A HEAT EXCHANGING SYSTEM AND A METHOD OF DETE...
- Publication number 20210010705
- Publication date Jan 14, 2021
- Carrier Corporation
- Hui Zhai
- F24 - HEATING RANGES VENTILATING
Information Patent Application
MOTOR AND WORM CONNECTION DEVICE FOR ELECTRIC POWER STEERING SYSTEM
- Publication number 20200164913
- Publication date May 28, 2020
- THYSSENKRUPP PRESTA SHANGHAI CO., LTD.
- Qing Liu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...