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NANJING DUBLE METAL EQUIP ENG

Overview
  • Total Patents
    36
  • GoodIP Patent Rank
    145,158
About

NANJING DUBLE METAL EQUIP ENG has a total of 36 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are WUXI JINGANG SEPARATOR MACHINE CO LTD, PEYRUSSON ANTOINE EDOUARD and OMUKO KK.

Patent filings in countries

World map showing NANJING DUBLE METAL EQUIP ENGs patent filings in countries
# Country Total Patents
#1 China 36

Patent filings per year

Chart showing NANJING DUBLE METAL EQUIP ENGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Water treatment

Top inventors

# Name Total Patents
#1 Wei Deming 7
#2 Jiaai Deng 7
#3 Jiao Jinfeng 5
#4 Song Sibing 5
#5 Deng Jiaai 5
#6 Ge Jun 4
#7 Guo Baolin 4
#8 Wu Houjin 4
#9 Yang Jin 4
#10 Houjin Wu 3

Latest patents

Publication Filing date Title
CN105289191A Method and device for treating chlorosilane tail gas
CN105236624A Recycling method for zinc-containing wastewater by membrane treatment
CN105060403A Low temperature reactor water treatment system ion exchange bed
CN104567481A Wound tube heat exchanger
CN104291403A Two-stage steam stripping device
CN104310685A Acidic water treatment device and method
CN104033911A Sludge drying and incinerating system
CN104014244A Cylinder-type membrane distillation device
CN104014153A Micro-pore valve
CN104019231A Inwards-opened sealed manhole structure
CN104019230A High-pressure vessel with internally-opened sealing man hole
CN103801109A Light and heavy phase redistribution device for liquid-liquid extraction packed tower
CN103386564A Special protecting cover for automatic welding of pipe opening of zirconium heat exchanger
CN103418899A Plasma welding machine used for backing welding inside pipeline
CN103317221A Air disconnection and connection protection device for argon arc welding
CN103335583A Checking device of shape deviation of large-diameter seal head
CN103320804A Zirconium material pickling solution and pickling process
CN103252106A Polygonal edgefold tilting-type concave liquid receiving discs
CN103239960A Single pipe type in-liquid gas phase washing distributor
CN103240031A Sliding supporting structure of mixer internal coil pipe