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SAMPYO RAILWAY CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    138,307
  • Filing trend
    ⇩ 83.0%
About

SAMPYO RAILWAY CO LTD has a total of 12 patent applications. It decreased the IP activity by 83.0%. Its first patent ever was published in 2015. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, environmental technology and transport are E H OTTO KAMMERER DR ING, AUGUSTE SCHEUCHZER and YORK JAMES EDWIN.

Patent filings in countries

World map showing SAMPYO RAILWAY CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 12

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hwang Gwang Ha 9
#2 Park Gwang Ryun 6
#3 Yun Byung Hyun 5
#4 Hwang Kyeong Jong 3
#5 Oh Jae Hoon 3
#6 Park Jin Chul 2
#7 Lee Hu Sam 2
#8 Hwang Man Ho 2
#9 You Eung Dae 2
#10 Baek In Hyuk 2

Latest patents

Publication Filing date Title
KR102042582B1 Manganese crossing for turnout to prevent derailment
KR20190115293A Under sleeper pad array for rail turnout
KR20190047424A Railroad crossing craddle with reinforcement unit
KR20190047419A Clip for thawing equipment of snow on railroad
KR20190047427A Railroad turnout adjusting device with anti-rising part
KR101857066B1 Precast Concrete Slab Track and Constructing Method thereof
KR101816023B1 Precast Concrete Slab Track and Constructing Method thereof
KR20180100963A Rail-pad array
KR101774384B1 Vibration proof fixture for railroad
KR20170112043A single block sleeper install device system and sleeper installation method for railway
KR101701913B1 Lifting defender for hinged type movable-nose crossing apparatus
KR20170037699A Up and Down Separating Type Crossing Structure of Turnout