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CHUNG HO HEAT TREAT CO LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    61,112
  • Filing trend
    ⇩ 22.0%
About

CHUNG HO HEAT TREAT CO LTD has a total of 29 patent applications. It decreased the IP activity by 22.0%. Its first patent ever was published in 2008. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, machine tools and surface technology and coating are FANG XUEFENG, JIANGSU FENGDONG HEAT TREAT AND SURFACE MODIFICATION ENGINEERING TECHNOLOGY RESEARCH CO LTD and KLEFISCH RUDOLF.

Patent filings in countries

World map showing CHUNG HO HEAT TREAT CO LTDs patent filings in countries

Patent filings per year

Chart showing CHUNG HO HEAT TREAT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nam Yong Ho 26
#2 Choi Man Ho 19
#3 Yang Jae Yoon 5
#4 Lee Ho 3
#5 Yang Jae Yun 1
#6 Kim Tae Woo 1
#7 Lee Dae Hee 1
#8 Shin Min Seok 1

Latest patents

Publication Filing date Title
KR102229414B1 Nitriding furnace apparatus
KR20210014786A Product stacking apparatus
KR20200064525A Apparatus for heating furnace
KR101920660B1 Heat treatment apparatus for transmission plate
KR101854669B1 Driving control method of heat treatment apparatus
KR101889312B1 Cooling device for industrial furance
KR101852402B1 Driving control method of nitrocarburizing and carburizing heat treatment apparatus
KR20190084579A Injection apparatus for discharging a fixed amount of liquid
KR20190075762A Heat treatment device
KR101854645B1 Test device for austempering
KR101857455B1 Heat recovery type cooling device for industrial furance
KR101789519B1 Small size heat treatment parts pallet
KR101803463B1 Discharge control device for shaft of detent lever assembly
KR101805142B1 Automatic deburring apparatus for detent plate
KR20180122226A Supply device for shaft of detent lever assembly
KR101908283B1 Rotation control apparatus for deburring
KR20180075757A Apparatus for temporary assembly of detent lever assembly
KR20180075209A Member supply device for assembly of detent lever
KR101734509B1 Automated production apparatus for detent lever assembly
KR101855882B1 Caulking device for detent lever