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ZHANG ZHOUWEI

Overview
  • Total Patents
    36
  • GoodIP Patent Rank
    171,351
About

ZHANG ZHOUWEI has a total of 36 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements and environmental technology are CHINA WUZHOU ENGINEERING GROUP CO LTD, SHENYANG HONGDA INF TECH CO and LINCOLN VALVES LTD.

Patent filings in countries

World map showing ZHANG ZHOUWEIs patent filings in countries
# Country Total Patents
#1 China 36

Patent filings per year

Chart showing ZHANG ZHOUWEIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhang Zhouwei 36
#2 Wang Yahong 36
#3 Zhang Xiaowei 35
#4 Xue Jiaxing 17
#5 Wu Jinqun 14
#6 Li Yue 9
#7 Pang Fengjiao 9
#8 Li Yan 7
#9 Yang Huijun 6
#10 Xu Feng 5

Latest patents

Publication Filing date Title
CN106123484A Cold three stream plate-fin heat exchanger of LNG low-temperature liquefaction three tier structure
CN105987581A Multi-flow plate-fin heat exchanger for LNG (liquefied natural gas) mixed refrigerants
CN105987578A LNG low-temperature liquefied two-stage refrigeration four-stream plate-fin heat exchanger
CN105987577A LNG low temperature liquefaction first stage refrigeration five-flow plate-fin heat exchanger
CN103821974A LNG (liquefied natural gas) check valve
CN103807452A LNG butterfly valve
CN103791116A LNG ball valve
CN103836221A LNG brake valve
CN103791104A LNG stop valve
CN103641069A Low-temperature flash evaporation gas-liquid separator for waste nitrogen
CN103663392A Diffusion refrigeration type low-temperature liquid nitrogen washing tower
CN103644353A Quick pneumatic control self-sealing filling valve for low-temperature liquid nitrogen
CN103423909A Spiral compression-expansion refrigerator
CN103423160A Variable pitch spiral compression machine head of spiral compression-expansion refrigerator
CN103438733A Primary heat-regeneration multi-flow heat exchange device for low-temperature liquid nitrogen
CN103423197A Radial-axial flow air intake supercharging impeller for screw compression expansion refrigerator
CN103438666A Multi-strand winding pipe type main back heating and heat exchange device for low-temperature liquid nitrogen
CN103438736A Two-stage back heating multi-strand winding pipe type heat exchange device for low-temperature liquid nitrogen
CN103438667A Three-stage back heating multi-strand winding pipe type heat exchange device for low-temperature liquid nitrogen
CN103063057A Three-flow low-temperature coiling tubular heat exchanger for feed gas cooler