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CHANGGE CHANGRUN STEEL STRUCTURE CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    110,883
  • Filing trend
    ⇧ 100.0%
About

CHANGGE CHANGRUN STEEL STRUCTURE CO LTD has a total of 15 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and machines are IL KWANG METAL FORMING CO LTD, BLAZLEY W H and PAN YUEYAN.

Patent filings in countries

World map showing CHANGGE CHANGRUN STEEL STRUCTURE CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing CHANGGE CHANGRUN STEEL STRUCTURE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hu Mengnan 15
#2 Li Gaoju 10

Latest patents

Publication Filing date Title
CN108708463A For the cement pile in corrosive environment
CN108672533A A kind of roof steel tile forming machines
CN108687193A Steel tile forming machines with paint compensating device
CN108687192A The multiple molding machine of roof steel watt
CN108625540A The steel watt of folding part sealing
CN108856408A The steel tile forming machines of folding part sealing
CN108625555A A kind of stair built-in fitting of perforation type
CN108625554A Stair built-in fitting
CN108592288A A kind of workshop with ventilation device
CN108625500A A kind of thermal insulation wall surface material with built-in fitting
CN106926311A A kind of Scissoring device of inclined side waterproof roll
CN106890770A A kind of production method of waterproofing membrane production device and waterproof roll
CN106903086A The anti-sticking powder laying apparatus of waterproof material with remaining powder reclaiming device
CN106914951A A kind of cutting method of waterproof material cutting device and waterproof material
CN106865279A Waterproof material is applied and spreads anti-sticking powder device