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CHANG SUNG ENG CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    173,549
  • Filing trend
    0.0%
About

CHANG SUNG ENG CO LTD has a total of 20 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2002. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets thermal processes, environmental technology and chemical engineering are AERMEC SPA, UNIX INC and SAKASHITA AKIHIKO.

Patent filings in countries

World map showing CHANG SUNG ENG CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 20

Patent filings per year

Chart showing CHANG SUNG ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jang Ki Hong 6
#2 Jang Gi Hong 5
#3 Chang Seung Hwan 5
#4 Chang Gi Hong 2
#5 Kim Chang Keun 2
#6 Chun Sung Ho 1
#7 Kim Chang Geun 1

Latest patents

Publication Filing date Title
KR102129081B1 Eco-Friendly Cleaning Ventilation System for Indoor Air and Outdoor
KR102136819B1 Apparatus for absorbing Volatile Organic Compounds
KR102129080B1 Eco-Friendly Cleaning Ventilation System of Indoor Air
KR102026933B1 Ventilation System of Classroom
KR101999794B1 Ventilation System of Indoor Air
KR20200021587A Method for bending for a clear pvc pipe
KR101907622B1 Concentrate catalytic combustion system with active concentration rate control means
KR20170067109A Heat recovery type incinerator using a swirling flow
KR101597324B1 Air-conditioner
KR101073638B1 A dry type dehumidifying air-conditioner
KR101060241B1 Supply apparatus of water using exhaust air from outdoor unit of air conditioner
KR101060240B1 Air circulation type indoor unit cooler
KR101073637B1 Air-conditioner
KR100901726B1 Heat pump type thermo - hygrostat have a cooling and heating apparatus
KR100708553B1 Humidistat
KR100708556B1 Fan coil unit have humidifier
KR100708554B1 Air-conditioner
KR100708555B1 Thermo-hygrostat
KR100708557B1 Control system of cold storage warehouse
KR20040011090A Tollgate booth have an air conditioner