Learn more

LEE SANG EUL

Overview
  • Total Patents
    21
About

LEE SANG EUL has a total of 21 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets environmental technology, agriculture and civil engineering are CHONGQING GELIN ENV PROT TECH CO LTD, CHINA RIVER TECH CO LTD and BEIJING ORIENTAL LANDSCAPE DESIGN CO LTD.

Patent filings in countries

World map showing LEE SANG EULs patent filings in countries

Patent filings per year

Chart showing LEE SANG EULs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Sang Eul 15
#2 Lee Sang-Eul 6
#3 Lee Seong Hui 1
#4 Lee Sung Hee 1

Latest patents

Publication Filing date Title
KR20090086181A A purgation system and equipment of the waste water using the marshes for the quality of water and the biodiversity and the climate to be recovered together
KR100836220B1 Down light having a lamp capable of spiral appearing and angle adjustment
KR20080007964A A waste water natural purgation system using aquatic trees and plants
KR20050004456A Floodgate System with Water Weight
KR20040070980A Artificial Lake for Ecological Environment
WO2004005200A1 Wastewater disposal system using aquatic plants over four seasons without greenhouse
KR20030009139A Wastewater Disposal System Using Aquatic Plants for Four Seasons without Greenhouse
KR20040003745A Wastewater Disposal System Constructed with Waterproof Member
KR20040003489A Pre-treatment System of Wastewater for Protecting Sludge Using Aquatic Plants
KR20040003488A Wastewater Disposal System Feeding the Wastewater to the Central Part of the System
KR20010077318A Method for constructing the evergreen tree structures for compensating the green zones to be developed
WO0032523A1 Purification system for disposal of polluted or waste water using water plants
KR20010018198A Safty type system for purifying the water without using any chemical agent
KR100232361B1 Automatic purification system using aquatic plant
KR100223514B1 Korean type treatment system for treating waste water with water plants
KR100232360B1 System for removing nitrogen and phosphorous biologically
KR100232359B1 Annexation septic tank
KR100215086B1 Wastewater treatment system for interchangeable high temperature aerobic and anaerobic digestion system
KR100215085B1 Multi-purpose annexation septic tank for high temperature aerobic decomposition and removing nitrogen and phosphor
KR100203948B1 Complex wastewater treatment system for both optimum high temperature aerobic and anaerobic digestion system