Learn more

LUOYANG LONGHUA HEAT TRANSFER & ENERGY CONSERVATION CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    110,820
  • Filing trend
    ⇧ 100.0%
About

LUOYANG LONGHUA HEAT TRANSFER & ENERGY CONSERVATION CO LTD has a total of 18 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets machine tools, measurement and thermal processes are SYNOVA S A, INNOVATIVE WELD SOLUTIONS LTD and FOURTH CONSTRUCTION CO LTD OF CHINA NAT CHEMICAL ENGINEERING.

Patent filings in countries

World map showing LUOYANG LONGHUA HEAT TRANSFER & ENERGY CONSERVATION CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing LUOYANG LONGHUA HEAT TRANSFER & ENERGY CONSERVATION CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Mingqiang 7
#2 Guo Shaolin 7
#3 Shen Deyong 5
#4 Guo Kun 5
#5 Wang Hongna 5
#6 Wang Qingguang 4
#7 Song Tianyi 4
#8 Wang Liming 4
#9 Li Qiuhong 4
#10 Chen Huan 4

Latest patents

Publication Filing date Title
CN108746940A A method of it reducing nickel-base alloy tube sheet automatic welding and receives burst check line
CN108746939A A kind of welding method of nickel-based alloy pipe docking
CN108413850A A kind of application method of threaded plug type air cooler plug hole perpendicularity detection tool device
CN108773634A A kind of method that the frameless flat fixed vehicle of tube bank is transported into container
CN108188549A A kind of submerged-arc welding process of nickel-base alloy air cooler plug formula bobbin carriage
CN107289811A The energy-saving automatic control system and method for a kind of vaporation-type cooling/condensing plant
CN106391342A Rotary spray nozzle
CN106383009A Operation method for leak detection device used for electric power condenser ellipse heat exchange tube
CN106123623A A kind of staged heat exchange closed cooling tower
CN105499749A Welding technology for longitudinal joints of pipe-plug type channel of composite-plate type air cooler
CN105486462A Using method of leak detection apparatus for plate and tube joint member of plate type heat exchanger
CN105436677A Deep hole pipe plate external angle welding gun
CN104475927A Welding method of air cooled condenser single row tube and tube plate employing carbon dioxide and argon mixed gas protection
CN104132780A Directional press-fit single pipe leakage testing working device and detecting method thereof
CN103740871A Recovery system and method of slag flushing water and steam
CN103267426A Water-saving rime fog removal device for evaporative-type cooling condenser
CN103143817A Method for welding plate tubes and toothed plates of plate type evaporation heat exchanger
CN102840771A Vertical type air cooling cooler