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DU PEIWEN

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    136,077
About

DU PEIWEN has a total of 15 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, it methods for management and measurement are WILHELM DEGEN DIPL ING, SHANGHAI WPG SMART WATER CO LTD and JIANGSU SURVEYING AND DESIGN INST OF WATER RESOURCES CO LTD.

Patent filings in countries

World map showing DU PEIWENs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing DU PEIWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Du Peiwen 15
#2 Xu Zhigang 14
#3 Zhu Fengshan 11
#4 Li Meng 6
#5 Zhu Lin 5
#6 Liu Tianzheng 4
#7 Zhang Liyou 3
#8 Zhang Ting 3
#9 Wang Jinhua 3
#10 Yue Yongqi 2

Latest patents

Publication Filing date Title
CN106096817A Green water delivery engineering evaluation methodology
CN105862964A Energy saving method for water pump operation of long-distance water conveyance project system
CN105908801A Type selection and energy conservation method of water pumps in long-distance water conveyance project system
CN105887964A Long-distance water transfer project system and energy-saving general arrangement method
CN105544470A Layered water intake gate and layered water intake method
CN105544472A Water intake control system and method for water intake gates of reservoir
CN104947632A Long-span gate
CN104963321A Double-arch gate
CN105019410A Prestressed double-sided arch gate arch foot structure
CN104913150A Pipeline water pressure test plugging device
CN104912152A Safe operation scheduling system and safe operation scheduling method for water conveyance project in hilly region
CN103867457A Centrifugal-pump stopping safety protection method and device
CN103669300A Gate air feeding-discharging device
CN103629105A Pump-stopping water hammer protection method and pump-stopping water hammer protection device for centrifugal pump
CN103471930A Hilly region water conveying pipeline pressing testing method and device