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HUNAN HUAYIN ENERGY TECHNOLOGY CO LTD

Overview
  • Total Patents
    32
  • GoodIP Patent Rank
    89,999
About

HUNAN HUAYIN ENERGY TECHNOLOGY CO LTD has a total of 32 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China and Australia. Its main competitors in its focus markets basic materials chemistry, environmental technology and chemical engineering are HUNAN DATANG XIANYI TECHNOLOGY CO LTD, INTERNAT COAL PRODUCTS CORP and CARBOZIT A G.

Patent filings in countries

World map showing HUNAN HUAYIN ENERGY TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 30
#2 Australia 2

Patent filings per year

Chart showing HUNAN HUAYIN ENERGY TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 He Shuguang 13
#2 Xie Yongxing 9
#3 Zhang Jianfei 9
#4 Cheng Jinmin 8
#5 Zhang Weidong 8
#6 Bin Wenjin 8
#7 Zhou Xinliang 7
#8 Wei Yuan 7
#9 Li Shuguang 6
#10 Guo Jincheng 5

Latest patents

Publication Filing date Title
CN105112079A Coal quality-improving method free of waste water discharge
CN105090939A Hot blast heater recycling low-heating-value gas and combustion method
CN105126501A Method and apparatus for removing fine dust and gas pollutants in flue gas
CN105038898A Semicoke passivation technology and system
CN105090519A Open cooling type mechanical sealing device for coal tar pump
CN104930881A Automatic descaling tar heat exchanger
CN104893746A Carbocoal heat recycling system and recycling process
CN104147858A High-temperature cyclone separator anti-blocking apparatus and method thereof
CN104059678A Continuous solid phase material delivering, guiding and distribution device
CN103980914A Novel thin-layer rotary-hearth controllable coke quenching device and technique
CN103980975A Passivating device and method for semicoke
CN103980974A Semi-coke passivation device and semi-coke passivation method adopting semi-coke passivation device
CN103980923A Rotary coal purification furnace capable of eliminating thermal stress
CN103981319A Hot blast stove system and combustion control method thereof
CN103980973A Semicoke passivating method
CN103980915A Coke quenching device
CN103965971A Twin tower coal tar recycling system and twin tower coal tar recycling method
CN103952187A Two-section coal tar recovery system and method
CN103939158A Low-rank coal purification power generation system
CN103695007A Rake tooth device for upgrading coal purification