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DONG A ENG CO LTD

Overview
  • Total Patents
    28
  • GoodIP Patent Rank
    90,174
  • Filing trend
    ⇩ 66.0%
About

DONG A ENG CO LTD has a total of 28 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2005. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, machines and machine tools are SUATAC ISMAIL CEMIL, CREATIVE PULTRUSIONS INC and GOLCHEH JOSEPH.

Patent filings in countries

World map showing DONG A ENG CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 28

Patent filings per year

Chart showing DONG A ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kang Duk Man 8
#2 Ju So Hee 8
#3 Kang Byeong Jo 5
#4 Kang Byong Jo 4
#5 Seo Dong Joo 4
#6 Han Sueng Suk 3
#7 Baek Ju Yeol 2
#8 Lee Jae Hoon 2
#9 Choi Kyung Ho 2
#10 Jang Jong Kook 1

Latest patents

Publication Filing date Title
KR102168928B1 Light weight block and retaing wall using the same
KR102163560B1 Girdir and bridge having soundproof wall using the same
KR102156793B1 Top-down method for underground structure to prevent sinkhole
KR102156800B1 Grouting method for joint portion of concrete structure to prevent sinkhole
KR102124516B1 Air-filled type sewage pipe cleaning system
KR102177733B1 Apparatus for water treatment using multistage carbon filter
KR102140752B1 Apparatus for monitoring underground pollution nonproliferation
KR102124185B1 Storm water treatment device with improved filter cleaning type
KR102140759B1 Apparatus for monitoring underground pollution nonproliferation
KR102124515B1 Storm water treatment device using solar energy generation type
KR102091127B1 Joint structure for baseplate-pile and construction method thereof
KR102027514B1 Soundproof tunnel and construction method thereof
KR101932626B1 Retaining wall with connection structure of inclined piles and its construction method
KR20190061412A 3D Nonwoven Parts Hot Air Forming Mold System
KR20190061415A 3D Nonwoven Parts Hot Air Forming Method
KR20180131216A Light concentrating and coloring apparatus for mobile phone lighting
KR101552171B1 Wall structure using buttress base plate and the construction method therefor
KR20150081652A Ultrasonic Wave Processing Apparatus Having Detection Module
KR20150081653A Ultrasonic Wave Processing Apparatus Having Automatic Cutter Replacement Structure
KR20140021288A Sleeve lib joint usable with precast concrete, manufacturing method for precast concrete having the same, and installing method for precast concreat structure having the same