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HENAN LONGCHENG COAL EFFICIENT TECHNOLOGY APPLIC CO LTD

Overview
  • Total Patents
    79
  • GoodIP Patent Rank
    18,885
  • Filing trend
    ⇩ 27.0%
About

HENAN LONGCHENG COAL EFFICIENT TECHNOLOGY APPLIC CO LTD has a total of 79 patent applications. It decreased the IP activity by 27.0%. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, basic materials chemistry and environmental technology are ISOPUR FLUID TECHNOLOGIES INC, NANOENTECH CO LTD and PRO EQUIPMENT INC.

Patent filings in countries

World map showing HENAN LONGCHENG COAL EFFICIENT TECHNOLOGY APPLIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 79

Patent filings per year

Chart showing HENAN LONGCHENG COAL EFFICIENT TECHNOLOGY APPLIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Shucheng 68
#2 Wang Xibin 36
#3 Li Jinfeng 32
#4 Pang Zhifeng 20
#5 Zhao Jialiang 19
#6 Li Fang 11
#7 Bai Taikuan 11
#8 Lyu Yanwu 10
#9 Li Mingde 10
#10 Wang Hongbo 7

Latest patents

Publication Filing date Title
CN109533977A A kind of disc type lock wind discharger and deduster
CN109489453A Heat exchange unit, heat exchanger and heat exchange equipment
CN109405536A A kind of high warm tube plate dust seal structure and rotary kiln
CN109084578A A kind of high warm tube plate sealing device and rotary kiln
CN109181788A A kind of raw coke oven gas separation method and the equipment for raw coke oven gas separation
CN109111006A A kind of method and equipment recycling ammonia from pyrolysis of coal waste water
CN109019737A A kind of method of air-float degreasing device and oil removal by air bubbling
CN108795480A A kind of coalite tar adds preprocess method and pre-processing device before hydrogen
CN108822882A A kind of preprocess method and pre-processing device of coalite tar
CN108931054A A kind of hot-blast stove and the method for controlling its burning
CN108580067A A kind of Whirlwind cyclone electric precipitator and Whirlwind cyclone electric dust-removing equipment
CN108441243A A kind of cleavage method of organic waste materials
CN108458590A A kind of high warm tube plate sealing mechanism and rotary kiln
CN108375305A A kind of stove liner expands with heat and contract with cold collocation structure and stove
CN108097000A A kind of technique of coal chemical industry coal gas oil gas centralized recovery
CN108102731A A kind of low temperature pyrogenation gas purification process
CN107970710A A kind of high-temperature filter filter core bottom outlet locating piece
CN108083559A The phenol ammonia waste water processing method that pyrolysis of coal generates
CN108046522A A kind of phenol ammonia waste water processing method
CN107702814A A kind of temperature measuring equipment of rotary kiln radiant tube