Assignee
SENJU SPRINKLER CO LTD
JP·41 granted patents·9 pending applications·259 citations·filing 1997–2024
Top patents by PatentIndex Score
50 records- 0196US9320929B2Protective cap of sprinkler head and sprinkler headSENJU SPRINKLER CO LTD·Filed 2014·Granted Apr 26, 2016·25 cites·6 claims
- 0293US9463343B2Protecting cap and sprinkler headSENJU SPRINKLER CO LTD·Filed 2013·Granted Oct 11, 2016·19 cites·20 claims
- 0390US11160999B2Protector for heat-sensitive element of sprinkler headSENJU SPRINKLER CO LTD·Filed 2018·Granted Nov 2, 2021·6 cites·10 claims
- 0485US11413485B2Sprinkler headSENJU SPRINKLER CO LTD·Filed 2020·Granted Aug 16, 2022·2 cites·8 claims
- 0585US7543654B2Sprinkler head cover and a sprinkler headSENJU SPRINKLER CO LTD·Filed 2005·Granted Jun 9, 2009·17 cites·5 claims
- 0684US11324980B2Sprinkler headSENJU SPRINKLER CO LTD·Filed 2018·Granted May 10, 2022·3 cites·11 claims
- 0782USD1000585SProtective cap for sprinkler headSENJU SPRINKLER CO LTD·Filed 2022·Granted Oct 3, 2023·7 cites·1 claims
- 0877US12239867B2Sprinkler headSENJU SPRINKLER CO LTD·Filed 2020·Granted Mar 4, 2025·1 cites·14 claims
- 0975USD781399SSprinkler head bodySENJU SPRINKLER CO LTD·Filed 2015·Granted Mar 14, 2017·16 cites·1 claims
- 1074USD799924SWrench for sprinkler headSENJU SPRINKLER CO LTD·Filed 2016·Granted Oct 17, 2017·15 cites·1 claims
- 1174USD721419SSprinkler head protective capSENJU SPRINKLER CO LTD·Filed 2013·Granted Jan 20, 2015·18 cites·1 claims
- 1274USD603479SSprinkler headSENJU SPRINKLER CO LTD·Filed 2009·Granted Nov 3, 2009·19 cites·1 claims
- 1373US11511144B2Sprinkler headSENJU SPRINKLER CO LTD·Filed 2019·Granted Nov 29, 2022·1 cites·14 claims
- 1473USD961727SSprinkler head accessorySENJU SPRINKLER CO LTD·Filed 2020·Granted Aug 23, 2022·5 cites·1 claims
- 1571USD1083030SDeflector for sprinkler headSENJU SPRINKLER CO LTD·Filed 2023·Granted Jul 8, 2025·3 cites·1 claims
- 1669USD699321SSprinkler headSENJU SPRINKLER CO LTD·Filed 2013·Granted Feb 11, 2014·19 cites·1 claims
- 1765USD972079SSprinkler headSENJU SPRINKLER CO LTD·Filed 2020·Granted Dec 6, 2022·4 cites·1 claims
- 1865USD895416SSpring for sprinkler headSENJU SPRINKLER CO LTD·Filed 2018·Granted Sep 8, 2020·9 cites·1 claims
- 1962USD721418SSprinkler head protective capSENJU SPRINKLER CO LTD·Filed 2013·Granted Jan 20, 2015·11 cites·1 claims
- 2062US2024245943A1Fire extinguishing systemSENJU SPRINKLER CO LTD·Filed 2024·Application pending·0 cites
- 2161US11642557B2Sprinkler head accessorySENJU SPRINKLER CO LTD·Filed 2021·Granted May 9, 2023·0 cites·15 claims
- 2261USD821550SPipe jointSENJU SPRINKLER CO LTD·Filed 2017·Granted Jun 26, 2018·11 cites·1 claims
- 2360US2024408634A1Accessory for sidewall sprinkler headSENJU SPRINKLER CO LTD·Filed 2022·Application pending·0 cites
- 2458USD894339SSprinkler headSENJU SPRINKLER CO LTD·Filed 2018·Granted Aug 25, 2020·7 cites·1 claims
- 2556US2025213904A1Sprinkler headSENJU SPRINKLER CO LTD·Filed 2022·Application pending·0 cites
- 2656US2024198154A1Sprinkler headSENJU SPRINKLER CO LTD·Filed 2022·Application pending·0 cites
- 2754USD638913SSprinkler head bodySENJU SPRINKLER CO LTD·Filed 2010·Granted May 31, 2011·8 cites·1 claims
- 2851US11311759B2Sprinkler headSENJU SPRINKLER CO LTD·Filed 2020·Granted Apr 26, 2022·0 cites·6 claims
- 2950US11383114B2Sprinkler headSENJU SPRINKLER CO LTD·Filed 2017·Granted Jul 12, 2022·0 cites·19 claims
- 3048USD963110SSprinkler head accessorySENJU SPRINKLER CO LTD·Filed 2020·Granted Sep 6, 2022·1 cites·1 claims
- 3148USD673825SSprinkler cover plate assembly installation toolSENJU SPRINKLER CO LTD·Filed 2012·Granted Jan 8, 2013·6 cites·1 claims
- 3248US2021094051A1Sprinkler HeadSENJU SPRINKLER CO LTD·Filed 2018·Application pending·0 cites
- 3347USD886945SDeflector for sprinkler headSENJU SPRINKLER CO LTD·Filed 2018·Granted Jun 9, 2020·4 cites·1 claims
- 3447USD598068SHeat collector assembly for sprinkler headSENJU SPRINKLER CO LTD·Filed 2008·Granted Aug 11, 2009·6 cites·1 claims
- 3547US2020406080A1Sprinkler HeadSENJU SPRINKLER CO LTD·Filed 2019·Application pending·0 cites
- 3643USD399553SSprinkler headSENJU SPRINKLER CO LTD·Filed 1997·Granted Oct 13, 1998·9 cites·1 claims
- 3743US2015013131A1Sprinkler Head Accessory Mounting ToolSENJU SPRINKLER CO LTD·Filed 2013·Application pending·0 cites
- 3842US2018304111A1Sprinkler HeadSENJU SPRINKLER CO LTD·Filed 2018·Application pending·0 cites
- 3941US2019351270A1Fire Extinguishing EquipmentSENJU SPRINKLER CO LTD·Filed 2019·Application pending·0 cites
- 4040USD673826SSprinkler protective cap removal toolSENJU SPRINKLER CO LTD·Filed 2012·Granted Jan 8, 2013·3 cites·1 claims
- 4139USD887800SSpanner wrenchSENJU SPRINKLER CO LTD·Filed 2018·Granted Jun 23, 2020·2 cites·1 claims
- 4237USD1091762SDeflector for sprinkler headSENJU SPRINKLER CO LTD·Filed 2023·Granted Sep 2, 2025·0 cites·1 claims
- 4337USD1029599SWrench socket for sprinkler headSENJU SPRINKLER CO LTD·Filed 2022·Granted Jun 4, 2024·0 cites·1 claims
- 4436US11054068B2Connection structure for fire extinguishing system pipingSENJU SPRINKLER CO LTD·Filed 2017·Granted Jul 6, 2021·0 cites·21 claims
- 4535USD892269SProtector for sprinkler headSENJU SPRINKLER CO LTD·Filed 2018·Granted Aug 4, 2020·1 cites·1 claims
- 4633USD964517SSprinkler head accessorySENJU SPRINKLER CO LTD·Filed 2020·Granted Sep 20, 2022·0 cites·1 claims
- 4733USD887527SWrench socket for sprinkler headSENJU SPRINKLER CO LTD·Filed 2018·Granted Jun 16, 2020·1 cites·1 claims
- 4830USD991399SDeflector for sprinkler headSENJU SPRINKLER CO LTD·Filed 2021·Granted Jul 4, 2023·0 cites·1 claims
- 4924USD871681SJoint for fire extinguishing equipmentSENJU SPRINKLER CO LTD·Filed 2018·Granted Dec 31, 2019·0 cites·1 claims
- 5011USD780889SLink for sprinkler headSENJU SPRINKLER CO LTD·Filed 2015·Granted Mar 7, 2017·0 cites·1 claims
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