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last 30 patents
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Patent Grant
Heat transfer enhancement pipe as well as cracking furnace and atmo...
Patent number
11,976,891
Issue date
May 7, 2024
China Petroleum and Chemical Corporation
Guoqing Wang
F28 - HEAT EXCHANGE IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
CHECK VALVE FOR LOW PRESSURE OPERATING CONDITIONS
Publication number
20240026985
Publication date
Jan 25, 2024
BEIJING AEROSPACE PETROCHEMICAL TECHNOLOGY & EQUIPMENT ENGINEERING CORPORATIO...
Xiaoxia WEI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
HEAT TRANSFER ENHANCEMENT PIPE AS WELL AS CRACKING FURNACE AND ATMO...
Publication number
20210190442
Publication date
Jun 24, 2021
Guoqing WANG
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
HEAT TRANSFER ENHANCEMENT PIPE AS WELL AS CRACKING FURNACE AND ATMO...
Publication number
20210180879
Publication date
Jun 17, 2021
China Petroleum and Chemical Corporation
Guoqing WANG
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
HEAT TRANSFER ENHANCEMENT PIPE AS WELL AS CRACKING FURNACE AND ATMO...
Publication number
20200326141
Publication date
Oct 15, 2020
China Petroleum and Chemical Corporation
Guoqing WANG
F28 - HEAT EXCHANGE IN GENERAL