Assignee
KOREA RAILROAD RES INSTITUTE
KR·32 granted patents·18 pending applications·39 citations·filing 2013–2025
Top patents by PatentIndex Score
50 records- 0183US11618488B2Foldable container and apparatus for folding and unfolding the sameKOREA RAILROAD RES INSTITUTE·Filed 2019·Granted Apr 4, 2023·5 cites·24 claims
- 0282US10161090B2Method for launching/constructing bridge using assembly of precast bottom plate and concrete-filled steel tube truss girderKOREA RAILROAD RES INSTITUTE·Filed 2015·Granted Dec 25, 2018·7 cites·8 claims
- 0380US10046779B2Energy harvester and wireless sensor device having energy harvesterKOREA RAILROAD RES INSTITUTE·Filed 2017·Granted Aug 14, 2018·2 cites·11 claims
- 0475US11320070B2Tube infrastructure with vacuum pressureKOREA RAILROAD RES INSTITUTE·Filed 2018·Granted May 3, 2022·2 cites·10 claims
- 0574US11637488B2Energy harvester with iron core and at least four magnet portions facing iron core structure and self-powered generation wireless sensor nodes management serverKOREA RAILROAD RES INSTITUTE·Filed 2018·Granted Apr 25, 2023·2 cites·9 claims
- 0672US9855852B2Charging apparatus for unmanned aerial vehicles and method thereofKOREA RAILROAD RES INSTITUTE·Filed 2016·Granted Jan 2, 2018·4 cites·14 claims
- 0771US11549622B2Sealing device for hyper tubeKOREA RAILROAD RES INSTITUTE·Filed 2018·Granted Jan 10, 2023·2 cites·8 claims
- 0870US12233830B2Brake caliper diagnostic device for railway vehiclesKOREA RAILROAD RES INSTITUTE·Filed 2022·Granted Feb 25, 2025·0 cites·7 claims
- 0969US2025383003A1Tubular energy absorber having buffer unitKOREA RAILROAD RES INSTITUTE·Filed 2025·Application pending·0 cites
- 1068US10457306B2Server, system, and method for automatically calculating platform dwell time of trainKOREA RAILROAD RES INSTITUTE·Filed 2015·Granted Oct 29, 2019·4 cites·9 claims
- 1167US11731675B2Exclusive track resource sharing systemKOREA RAILROAD RES INSTITUTE·Filed 2018·Granted Aug 22, 2023·2 cites·22 claims
- 1267US11047154B2Locking device for containersKOREA RAILROAD RES INSTITUTE·Filed 2016·Granted Jun 29, 2021·3 cites·9 claims
- 1366US11525912B2Hyper-tube system using vehicle position detectionKOREA RAILROAD RES INSTITUTE·Filed 2018·Granted Dec 13, 2022·2 cites·26 claims
- 1466US10841972B2Apparatus and method for controlling PTT service by multiplexing call originator and floor arbitratorKOREA RAILROAD RES INSTITUTE·Filed 2016·Granted Nov 17, 2020·1 cites·20 claims
- 1566US2025334551A1Railway vehicle wheel precision inspection deviceKOREA RAILROAD RES INSTITUTE·Filed 2024·Application pending·0 cites
- 1664US10084565B1Apparatus and method for protecting communication device of railroad carKOREA RAILROAD RES INSTITUTE·Filed 2017·Granted Sep 25, 2018·1 cites·18 claims
- 1764US2025360797A1Rotating current collectorKOREA RAILROAD RES INSTITUTE·Filed 2025·Application pending·0 cites
- 1863US9876611B2System and method for retransmitting received data using index coding and statistical characteristicsKOREA RAILROAD RES INSTITUTE·Filed 2016·Granted Jan 23, 2018·1 cites·26 claims
- 1962US10125833B2Highly heat-resistant brake disc for railcarKOREA RAILROAD RES INSTITUTE·Filed 2013·Granted Nov 13, 2018·1 cites·14 claims
- 2062US2024228884A9Waste wood sleeper pyrolysis apparatus of hybrid heating typeKOREA RAILROAD RES INSTITUTE·Filed 2023·Application pending·0 cites
- 2161US11628971B2Anti-vibration palletKOREA RAILROAD RES INSTITUTE·Filed 2021·Granted Apr 18, 2023·0 cites·10 claims
- 2261US2025162626A1System and method for estimating track curvature for active steering control of railcarsKOREA RAILROAD RES INSTITUTE·Filed 2024·Application pending·0 cites
- 2361US2025156593A1Railway converter station linked to medium-voltage direct current (mvdc) distribution system and simulation method thereofKOREA RAILROAD RES INSTITUTE·Filed 2024·Application pending·0 cites
- 2459US12492515B2Curve portion mold structure for manufacturing curved concrete panel for mountain railway rack track, and curved concrete panel manufacturing method using the sameKOREA RAILROAD RES INSTITUTE·Filed 2023·Granted Dec 9, 2025·0 cites·10 claims
- 2559US2025026386A1System and method for diagnosing operational safety of railcarsKOREA RAILROAD RES INSTITUTE·Filed 2024·Application pending·0 cites
- 2658US12116023B1Droplet-blocking air conditioning system inside train compartmentKOREA RAILROAD RES INSTITUTE·Filed 2022·Granted Oct 15, 2024·0 cites·6 claims
- 2757US2025104044A1Contactless charging device and contactless charging method using the sameKOREA RAILROAD RES INSTITUTE·Filed 2024·Application pending·0 cites
- 2857US2025229598A1Noise Reduction Structure For Air Circulation DuctKOREA RAILROAD RES INSTITUTE·Filed 2025·Application pending·0 cites
- 2956US12429549B2Cooperative positioning method and apparatusKOREA RAILROAD RES INSTITUTE·Filed 2023·Granted Sep 30, 2025·0 cites·20 claims
- 3056US2026049890A1System and method for assessing seismic resilience of deteriorated railway infrastructureKOREA RAILROAD RES INSTITUTE·Filed 2025·Application pending·0 cites
- 3155US12537775B2Apparatus and method for transmitting data in time sensitive networkKOREA RAILROAD RES INSTITUTE·Filed 2024·Granted Jan 27, 2026·0 cites·13 claims
- 3255US12296875B2Method and apparatus for providing automated interlocking logic for moving-block railway signalingKOREA RAILROAD RES INSTITUTE·Filed 2021·Granted May 13, 2025·0 cites·10 claims
- 3354US2023313544A1Uniformly-heating system for curing concreteKOREA RAILROAD RES INSTITUTE·Filed 2023·Application pending·0 cites
- 3452US12319492B2Foldable container folding device and automatic folding system comprising sameKOREA RAILROAD RES INSTITUTE·Filed 2019·Granted Jun 3, 2025·0 cites·9 claims
- 3551US2022316550A1Anti-vibration mount using combination of multiple springsKOREA RAILROAD RES INSTITUTE·Filed 2021·Application pending·0 cites
- 3650US11945477B2Electric dual-mode wiper system for railway vehiclesKOREA RAILROAD RES INSTITUTE·Filed 2020·Granted Apr 2, 2024·0 cites·13 claims
- 3750US2025116071A1Prefabricated wire mesh assembly for ballast and method of constructing gravel-ballasted track using the sameKOREA RAILROAD RES INSTITUTE·Filed 2024·Application pending·0 cites
- 3850US2023258612A1Method for detecting rail fracture using image transformation of vibration data measured by distributed acoustic sensing technologyKOREA RAILROAD RES INSTITUTE·Filed 2023·Application pending·0 cites
- 3948US10662588B2Friction apparatusKOREA RAILROAD RES INSTITUTE·Filed 2016·Granted May 26, 2020·0 cites·15 claims
- 4047US10787311B2Collapsible container and apparatus for opening and closing the sameKOREA RAILROAD RES INSTITUTE·Filed 2016·Granted Sep 29, 2020·0 cites·24 claims
- 4146US12123962B2Positioning method and apparatus for terminal, using various data combinationsKOREA RAILROAD RES INSTITUTE·Filed 2021·Granted Oct 22, 2024·0 cites·20 claims
- 4245US12522989B2Assembly type bridge lower structure having socket type elastic duct coupler and method of constructing the sameKOREA RAILROAD RES INSTITUTE·Filed 2022·Granted Jan 13, 2026·0 cites·14 claims
- 4345US2018051398A1Carbon fiber layer having carbon coatingKOREA RAILROAD RES INSTITUTE·Filed 2016·Application pending·0 cites
- 4444US2023087643A1Method and apparatus for determining coupling section in real-time for train platooningKOREA RAILROAD RES INSTITUTE·Filed 2022·Application pending·0 cites
- 4541US10518303B2Thermal desorption system and method for oil-contaminated soil and gravel using microwave indirect irradiationKOREA RAILROAD RES INSTITUTE·Filed 2018·Granted Dec 31, 2019·0 cites·7 claims
- 4641US2023374736A1Nonwoven fabric-integrated sleeper pad using rubber pad embedded with stiffener and methods of manufacturing and constructing the sameKOREA RAILROAD RES INSTITUTE·Filed 2022·Application pending·0 cites
- 4736US10138604B2Rail tie having embedded automatic differential settlement compensation apparatus using oil pressure for railroad tracksKOREA RAILROAD RES INSTITUTE·Filed 2014·Granted Nov 27, 2018·0 cites·9 claims
- 4836US2024276443A1Timing measurement data-based positioning method and device having minimized number of scansKOREA RAILROAD RES INSTITUTE·Filed 2021·Application pending·0 cites
- 4932US10429180B2Versine trolley-type equipment for inspecting track irregularityKOREA RAILROAD RES INSTITUTE·Filed 2016·Granted Oct 1, 2019·0 cites·10 claims
- 5029US11203364B2Bogie structure for mountain railway carKOREA RAILROAD RES INSTITUTE·Filed 2017·Granted Dec 21, 2021·0 cites·4 claims
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