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HUNAN HANNENG TECH CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    75,500
About

HUNAN HANNENG TECH CO LTD has a total of 22 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets measurement, control and mechanical elements are ELECTRO SCAN INC, SUZHOU CHANGLING MEASUREMENT TECH CO LTD and DUNN EMMETT LEE.

Patent filings in countries

World map showing HUNAN HANNENG TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing HUNAN HANNENG TECH CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Liao Lihua 22
#2 Guo Bin 22

Latest patents

Publication Filing date Title
CN111721517A Nozzle and fuel oil system for fuel oil main pipe tester
CN111649947A Annular cascade performance tester
CN111649948A Air inlet system for annular blade cascade performance tester
CN111649950A Nozzle performance test platform
CN111649949A Air pipeline system for nozzle and fuel oil main pipe performance tester
CN111810633A Test chamber tooth-engaging type quick-opening manhole
CN111442919A Lubricating oil pump test bench
CN111426483A Aeroengine combustion chamber test bench measurement and control system
CN111426475A Main shaft bearing impact test platform
CN111426484A Air source system of test bed of aero-engine combustion chamber
CN111610032A Pipeline and valve system of aero-engine combustion chamber test bed
CN111426482A Aeroengine combustion chamber test bench
CN111103146A Rotary measuring device of aero-engine test bed
CN111044296A Comprehensive test bed and test method for aero-engine parts
CN111024402A Aeroengine test bench installing system
CN111044295A Test piece anti-icing air entraining flow device and test method
CN110865664A Rapid pressure adjusting device for high-altitude cabin of turbofan engine test bed
CN111735548A Thermocouple installation protection device
CN111006859A Machine brake strength test bed
CN110865603A Electrical control system of aircraft engine test bed