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HEFEI WANHUA ELECTRICAL MACHINERY TECH DEV CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    67,308
About

HEFEI WANHUA ELECTRICAL MACHINERY TECH DEV CO LTD has a total of 24 patent applications. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, electrical machinery and energy and measurement are SUMO PUMPS LTD, BOMBAS ELECTRICAS SA and HERMETIC PUMPEN GMBH.

Patent filings in countries

World map showing HEFEI WANHUA ELECTRICAL MACHINERY TECH DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing HEFEI WANHUA ELECTRICAL MACHINERY TECH DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yao Rongxiang 24
#2 Xu Cheng 24
#3 Zhou Qiaoxia 22
#4 Chen Lin 11
#5 Huang Yumei 10
#6 Ding Mengliang 9
#7 Zhang Xiaoyan 8
#8 Liu Longhai 6
#9 Wang Songnian 4

Latest patents

Publication Filing date Title
CN111765118A High-temperature corrosion-resistant furnace water pump blade
CN111509913A External circulation cooling method of coal-to-liquid circulating pump
CN111472991A Wear-resistant coating structure for water pump blade of furnace
CN111536072A Wear-resistant coating system for water pump blade of furnace
CN111472980A Furnace water pump speed increasing method
CN111765990A Furnace water circulating pump motor cavity temperature early warning method
CN111456963A Design method of furnace water pump blade
CN111503041A Radial bearing structure of furnace water circulating pump
CN111463968A Furnace water pump motor sealing method
CN111463966A Tower type power generation frequency conversion pump set
CN111416477A Forced circulating pump for furnace water
CN111412145A Coal-to-liquid circulating pump
CN111463967A Furnace water pump motor sealing structure
CN111509897A Circulating pump wiring sealing method
CN111682685A Circulating pump wiring seal structure
CN109209909A A kind of boiler pump motor chamber decontamination apparatus
CN109083870A A kind of furnace water pump with device for filtering impurities
CN108980112A A kind of air cooling equipment for boiler pump motor
CN108825523A A kind of variable-ratio impeller for furnace water pump
CN109209908A A kind of shaft auxiliary device for furnace water pump