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SAM CHANG ENTPR CO LTD

Overview
  • Total Patents
    47
About

SAM CHANG ENTPR CO LTD has a total of 47 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Republic of Korea and China. Its main competitors in its focus markets environmental technology, engines, pumps and turbines and chemical engineering are CORONA INDUSTRY CO LTD, THERMOENERGY CORP and SHION KK.

Patent filings in countries

World map showing SAM CHANG ENTPR CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 46
#2 China 1

Patent filings per year

Chart showing SAM CHANG ENTPR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Park Young Chul 14
#2 Son Chang Ho 13
#3 Kim Jung Sun 13
#4 Kim Young Choon 10
#5 Oh Jin Hwan 9
#6 Lee Chang Gue 7
#7 Koo In Soo 6
#8 Kim Sung Jong 6
#9 Kim Jung Seon 6
#10 Lee Sang Yong 5

Latest patents

Publication Filing date Title
KR101088436B1 Moving type inspection die of nuclear fuel storage
KR20120065622A Method of transfer heavy structure and device therof
KR20110101853A Sludge drying machine with lift type over gate
KR20110032701A Device for opening and shutting the upper and lower housing of thin film sludge dryer
KR20100130334A Device for deodorizing and non-wastewater by regenerative thermal oxidizer of dry waste gas
KR20100082597A Power supply unit for atomic power control systems
KR20100081707A Paddle of sludge drying machine
KR20100039475A Sludge drying machine having adjustable blade
KR20100036811A Sludge drying machine having sludge guide instrument
KR20090121857A Paddle dryer having collect apparatus for high specific gravity deposit
KR20090121858A Paddledryer having discharge line for condensing water
KR20090114684A Sludge Drying Machine having ideal steam line
KR20090102409A Advanced wastewater treatment apparatus with two stage reactor
KR20090102377A Advanced system for controlling the wastewater treatment apparatus with two stage reactor
KR20090039541A Maintenance and test panel apparatus in safety system of nuclear plant
KR20090038061A Sample picking apparatus with variable height
KR100866620B1 Sludge pretreatment installation using hydrodynamic cavitation
KR20080040443A Apparatus for protecting core of core protection calculator system in nuclear plant
KR100813467B1 Sludge drying machine for treating industrial sludge
KR20080013153A Digital security system for nuclear power plant