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DH CONTROLS CO LTD

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    54,988
  • Filing trend
    ⇧ 100.0%
About

DH CONTROLS CO LTD has a total of 34 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in Republic of Korea, Japan and China. Its main competitors in its focus markets mechanical elements, measurement and transport are EMCARA GAS DEV INC, CARL ESSER and GUANGDONG QICAI VALVES TECH CO LTD.

Patent filings in countries

World map showing DH CONTROLS CO LTDs patent filings in countries

Patent filings per year

Chart showing DH CONTROLS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jin Jong Keun 25
#2 Kim Jong Yeol 8
#3 Jin Jong-Keun 5
#4 Noh Jun Sik 4
#5 Park Yeong-Cheol 2
#6 No Jun Sik 2
#7 Kim Chul 2
#8 Park Jun-Hong 2
#9 Kim Jong-Yeol 2
#10 Kim Hak Jae 2

Latest patents

Publication Filing date Title
KR102188910B1 High Temperature Air Sealing Butterfly Valve
KR101981064B1 Lng bunkering monitoring system with cryogenic valve operated by hydraulic actuator
WO2020179939A1 Steam injector for exhaust heat recovery boiler of hybrid thermal power station
KR20200081012A Monitoring system for safety enhancement of LNG bunkering work
KR20200079970A Real-time monitoring system for LNG bunkering system
KR20200079988A Pneumatic actuator for valve opening and closeing
KR20200044400A Flow control valve and Washing water supply system using the same
KR20190106162A Cryogenic valve system
KR20190097644A 3-Way electronic valve with the function of the high performance of flow rate
KR20190078854A air actuator for opening or closing a butterfly valve
KR20190025380A 3-Way valve with non-linear flow characteristic
KR20190012508A flushing water supply system for cleaning storage tank
CN107461535A quarter-turn valve hydraulic actuator
JP2017203536A Submerged valve position detection device
KR101658218B1 System for Adjusting Viscosity of Fuel
KR20170055855A System for Adjusting Viscosity of Fuel
KR20170055850A Method for Adjusting Viscosity of Fuel
KR20170043875A Emergency appaemergency control open and closeling valve
JP2017009091A Hydraulic actuator for quarter turn valve
KR20160134307A Manual hydraulic remote control apparatus for multi valve operation