Assignee
HS R & A CO LTD
KR·18 granted patents·13 pending applications·22 citations·filing 2004–2025
Top patents by PatentIndex Score
31 records- 0191US11840124B2Piping system for air conditionerHS R & A CO LTD·Filed 2021·Granted Dec 12, 2023·3 cites·10 claims
- 0286US11448172B2ResonatorHS R & A CO LTD·Filed 2020·Granted Sep 20, 2022·2 cites·6 claims
- 0385US12392429B2Piping system comprising pipe blockHS R & A CO LTD·Filed 2023·Granted Aug 19, 2025·1 cites·2 claims
- 0483USD819186SConnector for double pipe heat exchangerHS R & A CO LTD·Filed 2016·Granted May 29, 2018·4 cites·1 claims
- 0579US11236714B2Resonator having excellent airtightnessHS R & A CO LTD·Filed 2019·Granted Feb 1, 2022·2 cites·2 claims
- 0677US11231233B2Double-pipe heat exchanger including integrated connectorHS R & A CO LTD·Filed 2020·Granted Jan 25, 2022·1 cites·5 claims
- 0770US12257654B2Jig device for laser welding and jig system including the sameHS R & A CO LTD·Filed 2022·Granted Mar 25, 2025·0 cites·12 claims
- 0867US10371453B2Double pipe heat exchanger and method of manufacturing the sameHS R & A CO LTD·Filed 2017·Granted Aug 6, 2019·1 cites·10 claims
- 0965US9513061B2Dual pipe for heat exchangeHS R & A CO LTD·Filed 2013·Granted Dec 6, 2016·1 cites·3 claims
- 1065US2025389243A1Resonator for vehicleHS R & A CO LTD·Filed 2025·Application pending·0 cites
- 1161US12410839B2Connection structure of oil hose for transmissionHS R & A CO LTD·Filed 2023·Granted Sep 9, 2025·0 cites·8 claims
- 1261US2025172346A1Plate-type heat exchangerHS R & A CO LTD·Filed 2023·Application pending·0 cites
- 1360US11067340B2Double pipe heat exchanger and method for manufacturing the sameHS R & A CO LTD·Filed 2019·Granted Jul 20, 2021·0 cites·8 claims
- 1457US11002387B2Brake hoseHS R & A CO LTD·Filed 2019·Granted May 11, 2021·0 cites·5 claims
- 1556US2026002615A1Pipe connection deviceHS R & A CO LTD·Filed 2025·Application pending·0 cites
- 1655US12498124B2Air conditioner piping system and method of producing the sameHS R&A CO LTD·Filed 2022·Granted Dec 16, 2025·0 cites·10 claims
- 1755US2013146262A1Double pipe heat exchanger having multi-directional connector and air conditioner for vehicle including the sameHS R & A CO LTD·Filed 2012·Application pending·0 cites
- 1852US2022381356A1Check valve, refrigerant piping system having same, and assembling method thereofHS R & A CO LTD·Filed 2022·Application pending·0 cites
- 1951US2020122382A1Apparatus for forming rubber hoseHS R & A CO LTD·Filed 2019·Application pending·0 cites
- 2051US2018094868A1Double pipe heat exchanger and method for manufacturing the sameHS R & A CO LTD·Filed 2017·Application pending·0 cites
- 2150US11549630B2Connector for setting layout of brake hoseHS R & A CO LTD·Filed 2021·Granted Jan 10, 2023·0 cites·5 claims
- 2250US2019072380A1System for setting layout of brake hoseHS R & A CO LTD·Filed 2018·Application pending·0 cites
- 2349US11364773B2Plate-type heat exchanger and air conditioning system for vehicle having the sameHS R & A CO LTD·Filed 2020·Granted Jun 21, 2022·0 cites·14 claims
- 2448US11555570B2Connector for setting layout of brake hoseHS R & A CO LTD·Filed 2021·Granted Jan 17, 2023·0 cites·7 claims
- 2548US2011214847A1Double pipe and heat exchanger having the sameHS R & A CO LTD·Filed 2010·Application pending·0 cites
- 2648US2019178581A1Noise reduction-type double-pipe heat exchangerHS R & A CO LTD·Filed 2018·Application pending·0 cites
- 2748US2020173589A1Quick Connector AssemblyHS R & A CO LTD·Filed 2019·Application pending·0 cites
- 2846US7222886B2Hose clamping assemblyHS R & A CO LTD·Filed 2004·Granted May 29, 2007·7 cites·10 claims
- 2943US2019066376A1Method for interpreting layout of tube by using three-dimensional coordinates and recording medium thereofHS R & A CO LTD·Filed 2018·Application pending·0 cites
- 3043US2020408343A1Quick connector assemblyHS R & A CO LTD·Filed 2020·Application pending·0 cites
- 3138US11073445B2Apparatus for testing endurance of brake hoseHS R & A CO LTD·Filed 2019·Granted Jul 27, 2021·0 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →