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DS LIQUID CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    127,668
  • Filing trend
    ⇧ 66.0%
About

DS LIQUID CO LTD has a total of 22 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 2005. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets chemical engineering, environmental technology and materials and metallurgy are CHENZHOU RONGYUAN ENVIRONMENTAL PROTECTION TECH CO LTD, DAYU DONGHONG TIN PRODUCT CO LTD and YANG TENGYUE.

Patent filings in countries

World map showing DS LIQUID CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 17
#2 WIPO (World Intellectual Property Organization) 3
#3 China 1
#4 United States 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Ahn Byung Doo 17
#2 Yoon Soo Hyoun 12
#3 Sin Yong Guk 8
#4 Yoon Soo Hyun 5
#5 Shin Yong Kook 4
#6 Yun Soo Hyun 4
#7 Ahn Byung-Doo 2
#8 Yun Soo-Hyun 1

Latest patents

Publication Filing date Title
KR20200064721A System and method for aluminium melting and black dross recycling
KR102081310B1 System and method for aluminium melting and black dross recycling
KR20190112528A Hydrolysis unit for aluminium black dross recycling and system for aluminium black dross recycling having the same
KR20190112527A System for aluminium black dross recycling
KR20190029802A Aluminum melting furnace
KR20190029801A Aluminum melting furnace
KR101735493B1 System and method for aluminium black dross recycling
CN107407522A aluminium smelting furnace
KR101735425B1 System and method for aluminium black dross recycling
KR20130011317A A flux for removing calcium impurity from molten aluminium or aluminium alloy and the removing method of calcium impurity from molten aluminium or aluminium alloy using the same
KR20120102279A A exothermic flux for treating dross to recovering aluminium or aluminium alloy from dross and the recovering method of aluminium or aluminium alloy from dross using the same
KR20120102280A A sodium-free flux for removing magnesium impurity from molten aluminium or aluminium alloy and the removing method of magnesium impurity from molten aluminium or aluminium alloy using the same
KR20120101882A A flux for removing magnesium impurity from molten aluminium or aluminium alloy and the removing method of magnesium impurity from molten aluminium or aluminium alloy using the same
KR20120082275A Automatic flux feeder for molten aluminum and, methods thereof
KR20120082274A Automatic feeder for aluminum flux not using power energy
KR20120066313A Automatic feeder preventing flux outlet from clogging for aluminum flux
KR100920977B1 Container and method for transferring liquid metal
KR20060081281A Recycling method of waste aluminium can