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DOOWON PREC IND CO LTD

Overview
  • Total Patents
    91
About

DOOWON PREC IND CO LTD has a total of 91 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are SOLEX, ZENITH CARBURATEURS SOC GEN and LONGKOU LONGBENG FUEL INJECTION CO LTD.

Patent filings in countries

World map showing DOOWON PREC IND CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 91

Patent filings per year

Chart showing DOOWON PREC IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kim Myeong Gon 7
#2 Park Yong Sun 6
#3 Park Su Yong 6
#4 Jang Uk Hui 5
#5 Na Hyeong Gyu 5
#6 Ahn Seong Il 5
#7 Kim Myeong Seok 4
#8 Kim Dong In 4
#9 Jun Sang Yeop 3
#10 Choi Yong Bin 3

Latest patents

Publication Filing date Title
KR20040021733A High pressure supply pump
KR20020058160A Pressure control valve of compressible fuel injection system
KR20020037156A Timing control method of timing control valve
KR20020034728A Compressible Fuel Injection Device for Diesel Engine
KR20020034727A Compressible Fuel Injection Device for Diesel Engine
KR20020024679A electronic fuel spray control apparatus having memory switching function
KR20020024680A Compressible Fuel Injection Device for Diesel Engine
KR20020024681A Compressible Fuel Injection Device for Diesel Engine
KR20020017398A Circuit for protection against excess high-pressure occurrence of common rail in diesel fuel injection system
KR20020017399A Fuel injection system
KR20020017397A High-pressure supply pump
KR20020010255A fuel injection control device for improving spill and for preventing bouncing
KR20020010256A Spill-improvement-type fuel injection control device
KR20020010254A Structure for improving spll rate of electronic control type fael injection device
KR20020004006A Pressure control device of accumulating pressure thpe fuel injection system
KR20020004005A Conjunction structure of spring seat for high pressure pump of accumulating pressure type fuel injection system
KR20020004007A Examination and control system of abnormal combustion in common rail
KR20010108556A Discharge pressure conpensation form feed pump of diesel injection device
KR20010107438A Safe device of accumulator injection system
KR20010098052A High pressure supply pump