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HPNRT CO LTD

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    130,127
  • Filing trend
    ⇩ 33.0%
About

HPNRT CO LTD has a total of 37 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2004. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets packaging and shipping, telecommunications and civil engineering are NINGBO HONGDA ELEVATOR CO LTD, SEMYUNG ELEVATOR CO LTD and NURI&G ENG CO LTD.

Patent filings in countries

World map showing HPNRT CO LTDs patent filings in countries

Patent filings per year

Chart showing HPNRT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Song Jong Tae 33
#2 Cho Geum Yong 3
#3 Jung Jae Woong 2
#4 Parkchan Yong 1
#5 Seo Won Bong 1
#6 Song Jeong Tae 1
#7 Lee Myoung Sub 1
#8 Chae Ki Won 1
#9 Kim Hwan Gap 1

Latest patents

Publication Filing date Title
KR20200145309A Safety control system and method for preventing operation detection error of passenger conveyor system
KR20200081182A Elevator emergency call control system and method using the same
KR20200030876A Escalator sub-breake control device and methid thereof
KR20190129265A Escalator having emergency brake
KR20180127043A A Breaking Control System In An Escalator
KR101878386B1 A Device Preventing From Finger Trapping In An Elevator Car Door
KR20180045741A Handrail Pressing Guides For An Escalator
KR20180045739A An Escalator Handrail Guide Having means for frictional heat control
KR20180007131A A Distributed Control System Of An Escalator
KR20170113868A Safety brake control apparatus for emergency stop of escalator
KR20170070617A Safety brake control apparatus for emergency stop of escalator
KR20170057986A Elevator door derailment prevention device
KR20130022990A Elevator integrated monitoring system
KR20130009308A Remote management system using a mobile phone
KR20120024216A A controlling devices for eco-friendly elevator
KR20110132931A A lighting devices of elevator when power failure occured
KR20110120383A A system & a method of multi-networking
KR20110120029A An auto-notifying system with recorded data when the state of elevator breakdown occur
KR20110101281A A multi-theraphy system for controling emotional circumstances
KR20110005385A A lighting system responding to emotional states