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CR17BG NO 1 ENG CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    126,403
  • Filing trend
    ⇩ 25.0%
About

CR17BG NO 1 ENG CO LTD has a total of 13 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and engines, pumps and turbines are STATE KEY LABORATORY SHIELD MACHINE & BORING TECH, China railway tunnel group co ltd and CHINA RAILWAY 20 BUREAU GROUP CORP.

Patent filings in countries

World map showing CR17BG NO 1 ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing CR17BG NO 1 ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Qin Zhibin 5
#2 Xie Xinrong 3
#3 Chen Erping 3
#4 Zhang Mengjin 2
#5 Cheng Zhigang 2
#6 Mi Wansheng 2
#7 Su Weiguo 2
#8 Shi Liguang 2
#9 He Zhaopeng 2
#10 Niugongqueshang 1

Latest patents

Publication Filing date Title
CN110566246A Tunnel arc-shaped side top plate laying device and method
CN110243743A For detecting the air transmission coefficient analyzer of concrete solid structure
CN109882236A Single-track railway high methane tunnel tunnel face rack advancing device
CN109914165A Secondary lining trolley guide rail quickly moves forward accurate positioning device
CN109930489A Go out small curvilinear system bar arch head beam construction method based on SXJ550 Bridge Erector
CN109342267A III type non-fragment orbit self-compacting concrete test apparatus of CRTS
CN109441650A A kind of applicable high methane tunnel is uninterruptedly from opening pressure stabilizing power supply ventilated control system
CN108327089A Mixing station high hopper and high hopper concrete agitation station
CN107448218A A kind of single-track tunnel lining trolley constructing device
CN107448216A A kind of tunnel trolley seaming die anti-crack device
CN107448217A A kind of practical tunnel lining trolley vibrating system
CN107218071A The quick grouting device of hollow bolt in the range of applicable 360 °
CN105780829A Device for rapidly and accurately detecting sediment thickness of cast-in-situ bored pile