Assignee
LS ELECTRIC CO LTD
KR·195 granted patents·97 pending applications·90 citations·filing 2018–2025
Top patents by PatentIndex Score
292 records- 0195US12230464B2Arc path-forming part and direct current relay comprising sameLS ELECTRIC CO LTD·Filed 2021·Granted Feb 18, 2025·4 cites·51 claims
- 0290US11574784B2Direct current relayLS ELECTRIC CO LTD·Filed 2019·Granted Feb 7, 2023·5 cites·8 claims
- 0388US12009642B2Power device for continuously detecting entry and exit positionsLS ELECTRIC CO LTD·Filed 2021·Granted Jun 11, 2024·2 cites·6 claims
- 0488US11821949B2Contact monitoring device for vacuum circuit breaker and vacuum circuit breaker comprising sameLS ELECTRIC CO LTD·Filed 2020·Granted Nov 21, 2023·2 cites·15 claims
- 0588USD954658SAir circuit breakerLS ELECTRIC CO LTD·Filed 2020·Granted Jun 14, 2022·13 cites·1 claims
- 0685US11183352B2Air circuit breakerLS ELECTRIC CO LTD·Filed 2020·Granted Nov 23, 2021·2 cites·12 claims
- 0784US12278483B2Solid insulated switchLS ELECTRIC CO LTD·Filed 2021·Granted Apr 15, 2025·2 cites·10 claims
- 0883US11791081B2Coil driving deviceLS ELECTRIC CO LTD·Filed 2020·Granted Oct 17, 2023·2 cites·15 claims
- 0982USD1050345SGas recycling equipmentLS ELECTRIC CO LTD·Filed 2023·Granted Nov 5, 2024·8 cites·1 claims
- 1081US11482997B2Bidirectional semiconductor circuit breakerLS ELECTRIC CO LTD·Filed 2019·Granted Oct 25, 2022·5 cites·16 claims
- 1180US12315692B2Arc path forming unit and direct current relay comprising sameLS ELECTRIC CO LTD·Filed 2024·Granted May 27, 2025·0 cites·9 claims
- 1280US11875956B2Contact point monitoring device for vacuum circuit breaker, and vacuum circuit breaker comprising sameLS ELECTRIC CO LTD·Filed 2019·Granted Jan 16, 2024·2 cites·22 claims
- 1379US12068121B2Arc path forming part and direct-current relay comprising sameLS ELECTRIC CO LTD·Filed 2019·Granted Aug 20, 2024·2 cites·11 claims
- 1479US11830694B2Direct current relayLS ELECTRIC CO LTD·Filed 2019·Granted Nov 28, 2023·2 cites·8 claims
- 1576US11895784B2Electronic control apparatusLS ELECTRIC CO LTD·Filed 2021·Granted Feb 6, 2024·1 cites·11 claims
- 1674US12027923B2Electric motor driving deviceLS ELECTRIC CO LTD·Filed 2019·Granted Jul 2, 2024·2 cites·9 claims
- 1773US12119190B2Direct current relayLS ELECTRIC CO LTD·Filed 2019·Granted Oct 15, 2024·1 cites·10 claims
- 1872US12374961B2Wind power generation system including semiconductor transformer module and control method thereforLS ELECTRIC CO LTD·Filed 2022·Granted Jul 29, 2025·0 cites·10 claims
- 1972USD936023SControl unit for air circuit breakerLS ELECTRIC CO LTD·Filed 2020·Granted Nov 16, 2021·5 cites·1 claims
- 2071US12155181B2Sub-moduleLS ELECTRIC CO LTD·Filed 2021·Granted Nov 26, 2024·2 cites·17 claims
- 2171US2026016339A1Abnormal temperature detection system for battery cellLS ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 2269USD1065105SResidual current circuit breakerLS ELECTRIC CO LTD·Filed 2023·Granted Mar 4, 2025·3 cites·1 claims
- 2369US11309158B2Arc extinguishing unit of molded case circuit breakerLS ELECTRIC CO LTD·Filed 2020·Granted Apr 19, 2022·0 cites·12 claims
- 2469US11280835B2Diagnosing device of three phase inverterLS ELECTRIC CO LTD·Filed 2020·Granted Mar 22, 2022·0 cites·7 claims
- 2569US2025183451A1Energy storage systemLS ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 2669US2025087908A1Terminal structureLS ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 2768US12154748B2Power device for continuously detecting entrance and exit positionsLS ELECTRIC CO LTD·Filed 2021·Granted Nov 26, 2024·0 cites·6 claims
- 2868US11689194B2Power supply device for protective relayLS ELECTRIC CO LTD·Filed 2020·Granted Jun 27, 2023·0 cites·7 claims
- 2968US11451018B2High speed earthing switch of gas insulated switchgearLS ELECTRIC CO LTD·Filed 2019·Granted Sep 20, 2022·2 cites·10 claims
- 3067US12424399B2Air circuit breakerLS ELECTRIC CO LTD·Filed 2022·Granted Sep 23, 2025·0 cites·20 claims
- 3167US11800672B2Tower-shaped support deviceLS ELECTRIC CO LTD·Filed 2019·Granted Oct 24, 2023·1 cites·19 claims
- 3266US12191096B2Power device monitoring systemLS ELECTRIC CO LTD·Filed 2021·Granted Jan 7, 2025·0 cites·11 claims
- 3365US12462995B2Movable contact part and direct current relay including sameLS ELECTRIC CO LTD·Filed 2021·Granted Nov 4, 2025·0 cites·18 claims
- 3465US12148584B2Arc extinguishing unit and air circuit breaker comprising sameLS ELECTRIC CO LTD·Filed 2021·Granted Nov 19, 2024·0 cites·14 claims
- 3564US12562321B2Semiconductor circuit breakerLS ELECTRIC CO LTD·Filed 2022·Granted Feb 24, 2026·0 cites·6 claims
- 3664USD1073629SResidual current circuit breakerLS ELECTRIC CO LTD·Filed 2023·Granted May 6, 2025·2 cites·1 claims
- 3763US12300454B2Circuit breaker having main circuit unit coverLS ELECTRIC CO LTD·Filed 2021·Granted May 13, 2025·0 cites·11 claims
- 3863USD1073630SAuxiliary contacts for circuit breakerLS ELECTRIC CO LTD·Filed 2023·Granted May 6, 2025·2 cites·1 claims
- 3963US11942291B2Motion sensing device for vacuum circuit breaker and vacuum circuit breaker comprising sameLS ELECTRIC CO LTD·Filed 2020·Granted Mar 26, 2024·0 cites·16 claims
- 4063US11307265B2Earth leakage circuit breakerLS ELECTRIC CO LTD·Filed 2018·Granted Apr 19, 2022·1 cites·7 claims
- 4162US12387895B2Arc path formation unit and direct current relay including sameLS ELECTRIC CO LTD·Filed 2021·Granted Aug 12, 2025·0 cites·19 claims
- 4262US12381053B2Vacuum circuit breakerLS ELECTRIC CO LTD·Filed 2022·Granted Aug 5, 2025·0 cites·12 claims
- 4362US12095308B2Power supply device and power supply systemLS ELECTRIC CO LTD·Filed 2019·Granted Sep 17, 2024·1 cites·10 claims
- 4462US11637415B2Arc ventilation system of distributing boardLS ELECTRIC CO LTD·Filed 2022·Granted Apr 25, 2023·0 cites·7 claims
- 4562US2025226487A1Cooling module and battery disconnect device comprising sameLS ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 4662US2025037928A1Mold transformerLS ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 4761US12580141B2Vacuum circuit breaker in which lift hooks are accommodatedLS ELECTRIC CO LTD·Filed 2022·Granted Mar 17, 2026·0 cites·17 claims
- 4861US12388242B2Grounding device for circuit breakerLS ELECTRIC CO LTD·Filed 2021·Granted Aug 12, 2025·0 cites·20 claims
- 4961US12288966B2Bogie apparatus and circuit breaker comprising sameLS ELECTRIC CO LTD·Filed 2021·Granted Apr 29, 2025·0 cites·9 claims
- 5061US12255012B2Bushing-type current transformer, and switchboard having current transformer applied theretoLS ELECTRIC CO LTD·Filed 2020·Granted Mar 18, 2025·0 cites·5 claims
Showing the top 50 of 292 patent records by PatentIndex Score.
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