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HEFEI CONSTR ENG GROUP CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    166,199
About

HEFEI CONSTR ENG GROUP CO LTD has a total of 23 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are NIT KK, NICHIYOO KK and CHIYODA KENKI KK.

Patent filings in countries

World map showing HEFEI CONSTR ENG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing HEFEI CONSTR ENG GROUP CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Tu Gangyao 14
#2 Chang Dengrong 12
#3 Li Xin 10
#4 Fang Kezhou 9
#5 Yuan Zhongli 6
#6 Liu Guofu 5
#7 Liu Xin 5
#8 Xu Youbin 4
#9 Xu Xia 4
#10 Tang Jinrong 4

Latest patents

Publication Filing date Title
CN105178584A Assembled house out-hung scaffold system and construction method
CN104532962A Sliding connection device for construction column and steel column
CN104631470A Deep foundation pit combination retaining and protecting construction method for geology with high water level and large particle size sand gravel
CN104196225A Overhanging set wall connector with steel pipes for exterior wall scaffold
CN104060781A Cast-in-situ cranked slab stair without seams at stair sections and construction method
CN103967224A Heat preservation slope finding layered construction method of large area cast-in-place foam concrete plane roof
CN103938656A Building wall surface underground waterproof construction method
CN103755268A Method for preparing hydraulic cementing material
CN103758265A Rack type GRC curtain wall with irregular vertical face and mounting method thereof
CN103741950A Steel tube concrete standing column bottom high-pressure concrete pouring and backflow preventing device
CN103600119A Ground and wall remaining rib nail cutter
CN103306502A Gear-shaped residential building
CN103306291A Technology for support and protection of wide-angle steep slope by cable-stayed concrete piles
CN103321419A Seamless beam-to-column connection cavity full-grouting concrete extrusion hopper
CN103193164A Window-climbing small object lifting vehicle
CN103174138A Bidirectional expansion ground anchor
CN103174248A Cast-in-place concrete hollow slab with GRF box member fixed by flat-ended internal threaded rod
CN103174139A Construction technology capable of inserting pile through gravel bed via lead hole
CN103195244A Technology for fixing formworks by internally-threaded screws
CN103195090A Soft-form-shaped strut structure formed by filling concrete through small hole on underground cavity