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CHINA RAILWAY TUNNELING EQUIP

Overview
  • Total Patents
    45
About

CHINA RAILWAY TUNNELING EQUIP has a total of 45 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United Kingdom. Its main competitors in its focus markets civil engineering are BEIJING SHOUER ENGINEERING TECHNOLOGY CO LTD, FUTE INTELLIGENT EQUIPMENT CHONGQING CO LTD and BURRELL MINING PRODUCTS INC.

Patent filings in countries

World map showing CHINA RAILWAY TUNNELING EQUIPs patent filings in countries

Patent filings per year

Chart showing CHINA RAILWAY TUNNELING EQUIPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Top inventors

# Name Total Patents
#1 Li Jianbin 21
#2 Zhang Ningchuan 14
#3 Zhao Hua 9
#4 Wang Kai 7
#5 He Yulian 7
#6 Zhuo Xingjian 7
#7 Jianbin Li 6
#8 Hua Zhao 5
#9 He Fei 5
#10 Han Yali 5

Latest patents

Publication Filing date Title
CN103628892A Shield machine starting device with adjustable seal
CN103498684A Embedded type dual-liquid grouting device achieving synchronization of shield tail of shield machine
CN104453927A Double-hinged-joint double-mode anti-explosion type inclined shaft full face rock tunnel boring machine
CN103452563A Construction method applicable to drift sand or weak surrounding rock
CN103452559A Vertical shaft shield tunneling machine
CN103452566A Vertical shaft TBM device
CN103419841A Automatic levelling and steering device of shield trackless trailer in circular tunnel
CN103362516A Combined type shield tunneling machine
CN103362515A High-pressure water washing system for soil chamber of shield tunneling machine
CN103291313A Arch crown pressure supporting system of excavation of earth pressure shield and construction method thereof
CN102877853A TBM (tunnel boring machine) bidirectional rotary tapping cutter head and production process thereof
CN102926763A Air cushion type slurry shield gas pressure adjusting system
CN102879553A Testing device for extruding and lining of concrete
CN102787847A Roadway tunneling machine
CN102788693A Shield and TBM (tunnel boring machine) hob test bed
CN102733813A Opened shield sealing device
CN102733803A Compound cantilever excavator
CN102704943A Shield structure formed by shallow tunneling method in air-pressure mode
CN102606152A Novel quick digging and anchoring integrated machine for rectangular coal roadway
CN102606153A Fully sealed coal roadway tunneling and anchoring synchronous machine