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SHANGHAI LIANFENG ENERGY TECH CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    112,183
  • Filing trend
    ⇧ 100.0%
About

SHANGHAI LIANFENG ENERGY TECH CO LTD has a total of 15 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, materials and metallurgy and mechanical elements are AIR LIQUIDE PROCESS AND CONSTR, HENAN XINLIANXIN SHENLENG ENERGY CO LTD and SYKORA JIRI.

Patent filings in countries

World map showing SHANGHAI LIANFENG ENERGY TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing SHANGHAI LIANFENG ENERGY TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hao Wenbing 14
#2 Wang Chuanrui 2

Latest patents

Publication Filing date Title
CN111439733A Argon recovery method and device for removing carbon monoxide by rectification method
CN110803689A Argon recovery method and device for removing carbon monoxide and integrating high-purity nitrogen by rectification method
CN110207462A A kind of recovery system and recovery method of integrated high pure nitrogen and argon gas
CN110207460A A kind of recyclable device and its recovery method of integrated High Purity Nitrogen and argon gas
CN110207459A A kind of system and method that helium being concentrated from natural gas
CN110207458A A kind of air is the high pure oxygen process units and its production method of raw material
CN110207461A A kind of method and device that helium being concentrated from natural gas
CN109631493A A kind of double tower backflows double condenser/evaporator High Purity Nitrogen process units and its production method
CN109631495A A kind of method and device of integrated High Purity Nitrogen and argon gas recycling
CN108557787A A kind of recycling crude argon method of purification again
CN108413708A It is a kind of to improve the method and device for having space division liquid yield
CN108645118A A kind of device and method improving the argon gas rate of recovery
CN108507276A A kind of Full distillation purification recycling argon system and method without expanding machine
CN107998681A Liquid is transported to the method and its device of a high position under a kind of low voltage difference
CN107606874A A kind of device of Full distillation purification recovery argon gas and its method for reclaiming argon gas