Xiang ZHENG

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Zoned catalysts for CNG engine exhaust gas treatments with improved...
- Patent number 12,115,520
- Issue date Oct 15, 2024
- Johnson Matthey (Shanghai) Chemicals Limited
- Dongsheng Qiao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Twc catalysts for gasoline engine exhaust gas treatments
- Patent number 11,614,013
- Issue date Mar 28, 2023
- Johnson Matthey Public Limited Company
- Hai-Ying Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multi-region TWC for treatment of exhaust gas from gasoline engine
- Patent number 11,439,987
- Issue date Sep 13, 2022
- Johonson Matthey (Shanghai) Chemicals Co., Ltd
- Hongyu Ji
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Multi-region catalysts for CNG engine exhaust gas treatments with i...
- Patent number 11,364,485
- Issue date Jun 21, 2022
- Johnson Matthey (Shanghai) Chemicals Co. Ltd.
- Dongsheng Qiao
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
AMPHIBIOUS ROBOT FOR IN-SERVICE INSPECTION OF DRAINAGE PIPELINES AN...
- Publication number 20240093827
- Publication date Mar 21, 2024
- Shanghai Maritime University
- Jianhua WANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
NOVEL ZONED CATALYSTS FOR CNG ENGINE EXHAUST GAS TREATMENTS WITH IM...
- Publication number 20230113708
- Publication date Apr 13, 2023
- Jonhson Matthey (Shanghai) Chemicals Limited
- Dongsheng QIAO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MULTI-REGION CATALYSTS FOR CNG ENGINE EXHAUST GAS TREATMENTS WITH I...
- Publication number 20210331142
- Publication date Oct 28, 2021
- JOHNSON MATTHEY (SHANGHAI) CHEMICALS LIMITED
- Dongsheng QIAO
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
NOVEL TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS
- Publication number 20210262371
- Publication date Aug 26, 2021
- Johnson Matthey Public Limited Company
- Hai-Ying CHEN
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
NOVEL MULTI-REGION TWC FOR TREATMENT OF EXHAUST GAS FROM GASOLINE E...
- Publication number 20200391187
- Publication date Dec 17, 2020
- Johnson Matthey (Shanghai) Chemical LTD.
- Hongyu JI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL