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CHINA NORTH NUCLEAR FUEL CO LTD

Overview
  • Total Patents
    234
  • GoodIP Patent Rank
    6,544
  • Filing trend
    ⇧ 18.0%
About

CHINA NORTH NUCLEAR FUEL CO LTD has a total of 234 patent applications. It increased the IP activity by 18.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets measurement, environmental technology and engines, pumps and turbines are CGN INSPECTION TECH CO LTD, HO JIN IND CO LTD and HIHAKAI KENSA KK.

Patent filings in countries

World map showing CHINA NORTH NUCLEAR FUEL CO LTDs patent filings in countries
# Country Total Patents
#1 China 234

Patent filings per year

Chart showing CHINA NORTH NUCLEAR FUEL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Hui 14
#2 Guo Hong 14
#3 Zhang Li 14
#4 Zhang Qingming 13
#5 Liu Wentao 13
#6 Qiao Yuxiang 13
#7 Wang Yaohua 13
#8 Zhang Zhuangwei 12
#9 Zhao Yonghong 12
#10 Liu Changcheng 12

Latest patents

Publication Filing date Title
CN111693402A Automatic measuring device for geometric density of uranium dioxide core block
CN111531294A Pressurized water reactor annular fuel assembly skeleton welding dabber supports frock
CN111554423A Welding electrode for pressurized water reactor annular fuel assembly framework
CN111545889A Floating welding gun for pressurized water reactor annular fuel assembly framework
CN111554422A End plug for eliminating welding seam gas expansion defect
CN111005023A Preparation method of molybdenum phosphide coating
CN111043938A Nuclear fuel plate spring perpendicularity detection device and method
CN111043975A Eddy current detection device for detecting thickness of inner cladding of tubular fuel element
CN111043932A Nuclear fuel plate spring position degree detection device and method
CN111024639A Method for detecting carbon content in Inconel
CN111024680A Method for measuring phosphorus content in Inconel
CN111024679A Method for measuring chemical components in Inconel
CN110052784A A kind of processing method of fuel element abnormal shape components
CN109550743A A kind of cladding tubes nozzle cleaning device
CN109719371A A kind of presurized water reactor annular fuel component separator tube welder and method
CN109530897A A kind of automatic spot-welding device
CN109411099A A kind of C&P systems retractable driving device
CN109607016A A kind of wrapping wire fuel rod automatic storage warehouse device
CN109500253A A kind of outer band punching die of nuclear fuel assembly grid spacer
CN109741845A A kind of presurized water reactor annular fuel component guide pipe tamponade device and method