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DONG IL MACHINERY CO LTD

Overview
  • Total Patents
    38
  • GoodIP Patent Rank
    88,118
  • Filing trend
    ⇩ 57.0%
About

DONG IL MACHINERY CO LTD has a total of 38 patent applications. It decreased the IP activity by 57.0%. Its first patent ever was published in 2007. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and machines are LEE TE GYOU, CHECKPOINT FLUIDIC SYSTEMS INTERNATIONAL LTD and XIAMEN CONJOIN ELECTRONICS TECH CO LTD.

Patent filings in countries

World map showing DONG IL MACHINERY CO LTDs patent filings in countries

Patent filings per year

Chart showing DONG IL MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Park Jang Sik 33
#2 Hong Tae Ho 14
#3 Guk Mu Sung 13
#4 Kang Dong Soo 13
#5 Kang Hee Jong 12
#6 Kim Jin Sang 12
#7 Hwang Seong Hwan 9
#8 Jeon Seung Min 8
#9 Kim Jong Ho 8
#10 Nahm Taek Hyun 7

Latest patents

Publication Filing date Title
WO2021066356A1 Electronic expansion-and-redirection integrated valve
KR102194459B1 Integrated electronic valve for expansion and switching direction
KR102136374B1 Bi-directional expansion valve for heat pump of vehicles
KR102100294B1 Exhaust control valve for variable displacement compressor to prevent foreign substance
KR20180131481A Low cost type one way valve for air conditioner of vehicle
KR20190057742A Exhaust control valve for variable displacement compressor
WO2017160112A1 Low-price one-way valve device
WO2017179825A1 Low-cost one-way valve device
KR20170116943A Low cost type one way valve
KR20170108854A Low cost type one way valve
KR20180076113A One way valve apparatus
KR20180013537A Control valve of variable displacement compressor and its variable displacement compressor
KR20180003847A Control valve of variable displacement compressor
KR20170046456A One way valve apparatus and safety valve in one and compressor for air conditioner of vehicle having the same
KR20160115044A Control valve for variable displacement compressor
KR20160021672A Control valve of variable displacement compressor
KR20150029501A Control valve of variable displacement compressor
KR101467972B1 Check Valve Usable as a Suction or Discharge Valve
KR101467951B1 Suction Valve
KR20150031144A Suction Valve