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ZENG XIANGWEI

Overview
  • Total Patents
    20
About

ZENG XIANGWEI has a total of 20 patent applications. Its first patent ever was published in 1987. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets mechanical elements, machines and chemical engineering are FUJI METAL MFG, HOKE INC and HAWLE & CO E.

Patent filings per year

Chart showing ZENG XIANGWEIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zeng Xiangwei 19
#2 Huang Jingyue 1
#3 Chen Kun 1
#4 Xiangwei Zeng 1
#5 Qiu Xiaoping 1

Latest patents

Publication Filing date Title
CN102426864A Passive emergency cooling system for severe accident in reactor
CN101220876A Shuttle type check valve
CN101363574A Passive shuttle type device for preventing water hammer and thrash
CN1651131A Shuttle type bitank alternating work system
CN1419640A A protection device in event of pipe rupture
WO0070250A1 A fluid control valve for pig
CN1360669A Fluid control valve for pig
CN1361849A A fluid control double position valve for purging
CN1274051A Dual-sleeve valve with fluid-controlled pipe cleaning
CN1010118B Adjustable differential flow shuttle valve