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BLACK WHIRLWIND ENGINEERING MACHINERY DEV CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    216,836
About

BLACK WHIRLWIND ENGINEERING MACHINERY DEV CO LTD has a total of 17 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are SOILEX AB, SOLMARINE SA and ZHENGYE ENGINEERING & INVEST INC LTD.

Patent filings in countries

World map showing BLACK WHIRLWIND ENGINEERING MACHINERY DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing BLACK WHIRLWIND ENGINEERING MACHINERY DEV CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

Top inventors

# Name Total Patents
#1 Chen Yiren 11
#2 Zhang Peiqiang 7
#3 Zhang Min 6
#4 Fu Lei 6
#5 Chen Yurong 6
#6 Zhong Feng 3
#7 Xiao Guihua 3
#8 Liu Hantao 3
#9 Guihua Xiao 2
#10 Min Zhang 2

Latest patents

Publication Filing date Title
CN104211273A Sludge desanding device, pretreatment device and method for municipal sewage plant
CN105344155A Apparatus for removing hair from sludge
CN103510506A Contaminated soil in-situ solidification stabilizing treatment system and method
CN104563093A In-situ immobilization and stabilization apparatus for contaminated soil
CN103510505A Contaminated soil in-situ solidification stabilizing treatment system
CN103408207A Integrated test device and method for dredging, dewatering and drying sludge in river and lake
CN102786245A Formula for viscosity reducer
CN102849831A Formula of composite flocculating agent
CN102764634A Formula of composite filter aid for shield engineering slurry
CN102765865A Pull-type sludge treatment equipment and method
CN102614692A Experimental device and method for simulating working conditions of filter press
CN102606469A Sliding-vane type check valve and slurry pump
CN102606470A Linear sliding-vane type check valve and slurry pump
CN102225834A Sludge treatment method and device for urban drainage pipe network
CN101761132A Sludge vibration grab bucket
CN102107458A High-speed slurrying machine with low-water cement ratio
CN101708634A Stone waste sludge recycling device