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XIANGWEI ZENG

Overview
  • Total Patents
    16
About

XIANGWEI ZENG has a total of 16 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China, Australia and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and measurement are NAF AB, ELTAV WIRELESS MONITORING LTD and NELES JAMESBURY OY.

Patent filings in countries

World map showing XIANGWEI ZENGs patent filings in countries
# Country Total Patents
#1 China 13
#2 Australia 2
#3 United Kingdom 1

Patent filings per year

Chart showing XIANGWEI ZENGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Xiangwei Zeng 14
#2 Xiaoping Qiu 2
#3 Jingyue Huang 2
#4 Zeng Xiangwei 2
#5 Kun Chen 2

Latest patents

Publication Filing date Title
CN102213342A Non-dynamic shuttle-type cut-off valve driving control device
CN101776168A Shuttle-type high-temperature and high-pressure welding check valve
CN101280856A Non-motile shuttle control regulation valve
CN101225895A Shuttle type difference decompression valve
CN101220880A Passive shuttle type return valve
CN101220877A Shuttle type reducing check valve
CN101220867A Shuttle type vibration damping break valve
CN101220878A Shuttle type micro-resistance check valve
CN101225921A Non-active shuttle control energy-saving steam trap
CN101225926A Non-active shuttle control switching system
CN101012895A Valve on-off damp actuating device
CN101012893A Shuttle control shaft flow damp open-close device
CN1786487A Controlling apparatus for differential flow adjustable shuttle valve
AU3909501A A pipe burst protect device