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CHUNGWAN CO LTD

Overview
  • Total Patents
    67
  • GoodIP Patent Rank
    44,835
  • Filing trend
    ⇩ 33.0%
About

CHUNGWAN CO LTD has a total of 67 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2007. It filed its patents most often in Republic of Korea, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, machines and mechanical elements are KUNMING QUNZHIYING TECH CO LTD, JIMTEN SA and QUICK DRAIN HOLDING B V.

Patent filings in countries

World map showing CHUNGWAN CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Choi Hae Kweon 35
#2 Chae Hae Gwon 31
#3 Lee Do Kyeong 3
#4 Jung Sang Chol 2
#5 Na Sung Eun 1
#6 Shin Eun Ho 1

Latest patents

Publication Filing date Title
KR20200044761A An easily removable Filter plates of Flow drain
KR102186911B1 Fireproof foam unit, fireproof foam device having the same, manufacuring method for the fireproof foam unit and construction method for the fireproof foam device
KR20200080113A Vertical pipe fixing device
KR20200119115A Fireproof filler Block of duct penetration for Air Conditioning
KR20200119116A Fireproof filler Block of duct penetration for Air Conditioning
KR20200092550A Sleeve with built-in Fire stop and Fixture integrated Pipe
KR20200079623A Closeing Ring for Penetration Hole a built in Fire Stop
KR102070663B1 Top plate of Flow drain easily removable Filter plates of Flow drain
KR20190041060A An easily removable Filter plates of Flow drain
KR20190012598A Fixture integrated sleeve with built-in Fire stop
KR20180130793A Closeing Ring for Penetration Hole a built in Fire Stop
KR101743932B1 Fixture integrated sleeve with built-in Fire stop
KR20180057297A Flow Drain
KR20180045744A Flow Drain
KR20180003842A Drain Device of Bathroom Slab
KR20170099097A The bottom portion of the double layered pipe system and method for the construction of apartment houses Bathroom
KR20170099095A The bottom portion of the double layered pipe system and method for the construction of apartment houses Bathroom
KR20170067535A Flow drain of Bathroom have a Weighing machine
KR20170053240A Pet dog bathtub type buried in Bathroom and construction method the same
KR20170050886A Superior Basis of Drainage Device for On-Floor Piping