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404TH CO LTD CHINA NAT NUCLEAR CORP

Overview
  • Total Patents
    143
  • GoodIP Patent Rank
    10,067
  • Filing trend
    ⇩ 20.0%
About

404TH CO LTD CHINA NAT NUCLEAR CORP has a total of 143 patent applications. It decreased the IP activity by 20.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and measurement are FEDERALNOE GOSUDARSTVENNOE UNITARNOE PREDPRIYATIE NAUCHNO ISSLEDOVATELSKIJ TEKH INSTITUT IMENI A P A, KURION INC and AREVA FED SERVICES LLC.

Patent filings in countries

World map showing 404TH CO LTD CHINA NAT NUCLEAR CORPs patent filings in countries
# Country Total Patents
#1 China 143

Patent filings per year

Chart showing 404TH CO LTD CHINA NAT NUCLEAR CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ai Lijun 26
#2 Guo Liang 23
#3 Yang Tinggui 21
#4 Zhou Guoliang 21
#5 Pan Chuanlong 20
#6 Zhang Shunxiao 17
#7 Geng Long 11
#8 Chen Cheng 11
#9 Ma Zhijun 11
#10 Zou Chenhua 10

Latest patents

Publication Filing date Title
CN112225059A Wellhead supporting device for hanging falling protector
CN111430055A MOX fuel cladding tube recycling method
CN111001802A MOX fuel pellet wet hydrogen sintering method
CN111128424A Separation method of three filling materials of MOX waste fuel rod
CN111063459A MOX mixed particle treatment method
CN111014698A Granulating method of MOX mixed powder
CN111013742A MOX mixed powder ball milling treatment method
CN112212947A Device and method for field calibration of ultrasonic liquid level meter
CN112050289A Protection method for preventing damage of water hammer of heat exchange unit
CN109534007A A kind of 200L pail for used dressings falls barrel and method
CN109550449A A kind of uranium ore concentrate dissolution system and method
CN109534017A A kind of visual type cement blanking rigidity batcher
CN109738127A A kind of α waste packaging container vacuum leakage detection apparatus and method
CN109581472A The selection of the spectrometer characteristic energy peak road CZT location range and determining method
CN109581464A In a kind of high activity liquid waste155Eu measures analysis method
CN109580589A A kind of ICP-AES measuring method for Determination of Trace Tantalum in uranium dioxide
CN109597117A A kind of CZT gamma ray spectrometer probe shield collimator
CN109741849A A kind of deep-purifying method of the uranium purifying conversion fluorine-containing waste liquid of uranium-bearing
CN109637686A A kind of purifying treatment method for green salt fluorination tail gas leacheate
CN109580590A One kind is for micro uranium content ICP-AES measuring method in calcium chloride solution