Learn more

MA KEWEN

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    93,185
About

MA KEWEN has a total of 20 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, environmental technology and chemical engineering are SMIT & WILLEM & CO NV, WEINER NORBERT and NANJING BEISITE INFORMATION TECH CO LTD.

Patent filings in countries

World map showing MA KEWENs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing MA KEWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ma Kewen 17
#2 Chen Long 4
#3 Chen Haibin 2
#4 Ma Kewen Feng 1
#5 Zhang Qingyun 1
#6 Chen Wenhua Ma 1
#7 Ruan Zhongcheng 1

Latest patents

Publication Filing date Title
CN109764098A In one kind, low-speed high-efficiency stepless transmission
CN109599816A A kind of power high voltage transmitting device
CN109148083A A method of improving transformer radiating efficiency
CN109065411A A kind of guard method of asynchronous motor
CN109065412A A kind of high pressure breaker protector
CN108987051A A kind of vehicle-mounted isolating transformer of high-speed rail
CN108962543A A kind of high-frequency and high-voltage rectifier transformer
CN109107315A A method of improving boiler smoke efficiency of dust collection
CN108962542A A kind of high-frequency and high-voltage high-power rectifier transformer
CN108962555A A kind of high-power high-frequency high-voltage rectifier transformer
CN108962554A A method of improving transformer service life
CN108815970A A method of improving industrial smoke efficiency of dust collection
CN108711627A A kind of lithium battery production technology
CN108574118A A kind of lithium battery polar plate combo device
CN108736070A A kind of lithium battery production technology
CN108539128A A kind of lithium battery polar plate packet is every machine
CN108871013A A kind of solid oxide fuel cell high-temperature gas heat exchanger
CN108565481A A method of improving solid oxide fuel cell heat exchange efficiency
CN1887756A Foamed glass and ceramic product and its making process
CN1485602A Method and apparatus for measuring chimney heat exchanger air leakage ratio