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HENAN D R CONSTRUCTION GROUP CO LTD

Overview
  • Total Patents
    66
  • GoodIP Patent Rank
    26,548
  • Filing trend
    ⇧ 50.0%
About

HENAN D R CONSTRUCTION GROUP CO LTD has a total of 66 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machines and environmental technology are JIANGSU NANTONG SANJIAN CONSTRUCTION GROUP CO LTD, KANG SHIN RYANG and YANG NAE MOON.

Patent filings in countries

World map showing HENAN D R CONSTRUCTION GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 66

Patent filings per year

Chart showing HENAN D R CONSTRUCTION GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dong Xinhong 23
#2 Zhu Jianming 19
#3 Su Qunshan 16
#4 Zhang Yongju 14
#5 Chen Jianzhong 13
#6 Wu Yuanchao 9
#7 Chen Xiaohan 8
#8 Duan Changzhi 7
#9 Zhao Xiaonan 7
#10 Yue Mingsheng 7

Latest patents

Publication Filing date Title
CN112177278A Terrace construction method
CN112112400A Waterproof platform plastering device
CN111910763A Assembled steel structure building special-shaped structure column and connecting mode thereof
CN111877417A Method for measuring instability critical water content of rainfall parameter weakening type foundation pit slope
CN111677106A Conversion connection structure of variable cross-section joint reinforcing steel bars of assembled structural column and implementation method
CN111519932A Prestress underpinning and reinforcing device and method for double-T plate structure
CN111549950A Light assembled steel structure combined floor slab and implementation method thereof
CN111510051A Support structure for reducing shadow on back of photovoltaic panel and support arrangement method
CN111371400A Method for increasing light-up rate of double-glass double-sided photovoltaic module
CN111021624A Prefabricated light heat-insulating load-bearing wall board and manufacturing method and construction process thereof
CN111021749A Simple hoisting mechanism for bare concrete exterior wall cladding and construction method thereof
CN110984568A Water stop ridge platform template device and construction method
CN110863483A Long spiral drilling and pouring device for preventing hole expanding and channeling and construction method thereof
CN110671022A Temporary installation tool door for blocking room door opening
CN110607800A Turnover type steel open caisson supporting device and construction method thereof
CN110424551A The fixed bracing means and application method for using large scale arc built-in fitting of silo outer wall
CN110091412A A kind of prefabricated construction method of prefabricated panel facing die bush unit
CN109372009A A kind of nigh-level synthesis embedded column base and its application method
CN109372146A A kind of high-rise steel structure damping device and its application method
CN109356319A A kind of one assembly concrete Side fascia of the six directions and its production method