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KNF HEAVY IND CO LTD

Overview
  • Total Patents
    13
About

KNF HEAVY IND CO LTD has a total of 13 patent applications. Its first patent ever was published in 2006. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets packaging and shipping are ZHEJIANG HUBA CONSTRUCTION MACHINERY CO LTD, YIWU HENGBANG CONSTRUCTION INTELLIGENT TECH CO LTD and HUNAN ZOOMLION ARCH LIFTING MACHINERY CO LTD.

Patent filings in countries

World map showing KNF HEAVY IND CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 13

Patent filings per year

Chart showing KNF HEAVY IND CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yoon Chi Soon 11
#2 Kim Sung Tae 2

Latest patents

Publication Filing date Title
KR20110082336A Power control device for tower crane
KR20110072218A Automatic velocity control apparatus and velocity control method of crane
KR20100025374A Safety scaffold device of lift for construction
KR20090111712A Automatic opening and closing device of safety door for construction lift
KR20080096144A Mast joint for tower crane
KR100833970B1 Swivel apparatus for tower crane
KR20080096143A Jib for tower crane
KR100828155B1 Mast for tower crane
KR100832112B1 Mast bolt stand for tower crane
KR100846209B1 Trolley for tower crane
KR20080055037A Safety apparatus of lift for construction/industry
KR100825255B1 Reinforcement device for tower crane
KR20080037386A Guide roller of urethane and the process of manufacture for lift