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NO 1 ENGINEERING CORPORATION LTD OF CR20G

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    75,511
  • Filing trend
    ⇩ 40.0%
About

NO 1 ENGINEERING CORPORATION LTD OF CR20G has a total of 22 patent applications. It decreased the IP activity by 40.0%. 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 and measurement are CHOL SEUNG HEE, JIANGSU YEARNING CONSTRUCTION CO LTD and SOC TECHNO HOLDINGS INC.

Patent filings in countries

World map showing NO 1 ENGINEERING CORPORATION LTD OF CR20Gs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing NO 1 ENGINEERING CORPORATION LTD OF CR20Gs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yan Chaofeng 20
#2 Wang Yongli 19
#3 Liang Zhihai 15
#4 Du Yue 15
#5 Liu Junbin 11
#6 Zhu Shanshan 10
#7 Li Dongniu 10
#8 Zhao Jiuyuan 10
#9 Zhao Gangjie 4
#10 Wei Kai 4

Latest patents

Publication Filing date Title
CN111945704A Method for reinforcing water-rich silt stratum by obliquely arranging multiple rows of freezing pipes
CN111794259A Method for preventing underground diaphragm wall from collapsing groove of neighboring existing building of high underground water level area
CN110424246A A kind of Long span bowstring arch bridge access bridge jack-up system and jack-up construction method
CN110424244A A kind of Long span steel pipe concrete bowstring arch bridge jack-up construction method
CN110424245A Long span bowstring arch bridge remodeling method based on bridge hydraulic jack-up system
CN110424243A A kind of Long span Tied-Arch Bridge Main Bridge jack-up system and jack-up construction method
CN109162270A A kind of soft soil foundation reinforcing method based on the concrete-cored stake of cement concrete
CN109098176A The concrete-cored stake machine of the concrete-cored pile driving construction integral type of cement concrete and construction method
CN108755729A A kind of CFG pile foundations pile cover and pile body integrative construction device and method
CN109141716A A kind of pipe gallery big cross section rectangular top pipe construction pipe-soil contact pressure test method
CN108645393A A kind of push-bench posture three-dimension measuring system and method
CN108677747A Cable-stayed bridge plane rotation swivel construction method
CN108005094A Pier and pier top beam section construction method in naked rock river bed water
CN108004928A A kind of asymmetric rigid frame-continuous girder construction technology
CN108004927A Double limb triangle hanging basket and large span continuous rigid frame bridge cantilever beam section construction methods
CN107841952A Adhesion type high-altitude mount support and rigid frame-continuous girder end bay cast-in-place section construction method
CN107841953A Across the cast-in-place section construction support in high-altitude obliquely-intersected beams abrupt slope side and construction method
CN107700366A Deep water high-block bridge degree the bridge construction naked rock river bed trestle of hard stone and construction method
CN107642101A A kind of rocky bed steel cofferdam back cover leak stopping and guarded drainage construction method
CN107514004A A kind of slope rock river bed steel cofferdam construction method