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HU LONGJIANG

Overview
  • Total Patents
    13
About

HU LONGJIANG has a total of 13 patent applications. Its first patent ever was published in 1992. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are ANGARSKIJ EHLEKTROLIZNYJ KHIM, XI AN ZHITAI RUBBER & PLASTIC INDUSTRY CO LTD and NIKOLAEV ANATOLIJ G.

Patent filings in countries

World map showing HU LONGJIANGs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing HU LONGJIANGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Longjiang Hu 7
#2 Hu Longjiang 6

Latest patents

Publication Filing date Title
CN1553123A Solar and electric two way air tight thermal insulative digital controlled water heater with impulsive discharges
CN1530623A High-cycle instant melting method and apparatus
CN1463817A Counter coupling calibration process and apparatus for electrodischarge machining electrode tip
CN1454746A Efficient adjusting apparatus
CN1442263A Flexible driving device of discharge processing machine
CN1431748A Lightning protection of electric installation and detection device of lightning strikes
CN1123388A Object device for low-temp. heat-generation and heat-conduction
CN1114249A Energy recovering type current-limiting circuit for discharge working machine or high-energy oscillatory circuit
CN1103710A Apparatus capable of generating and transfering heat at low temperature
CN1079135A The temperature sensing bottom type temperature controllable frying pan
CN1075410A Elastic weight-reducing mechanism with vessels separable from each other
CN1075245A Coil-attached round-bottomed frying pan
CN1075198A Water-cooled electromagnetic stove