Inventor · disambiguated record
George S. Polan
Also filed as: POLAN GEORGE · POLAN GEORGE S
53 granted patents·6 pending applications·2,073 citations·filing 1986–2025
99Inventor score
Files withCENTRAL SPRINKLER CORP20RELIABLE AUTOMATIC SPRINKLER CO INC19RELIABLE AUTO SPRINKLER CO5CENTRAL SPRINKLER COMPANY3POLAN GEORGE S3
Top patents by PatentIndex Score
59 records- 0196US6868917B2Low pressure, early suppression fast response sprinklersCENTRAL SPRINKLER COMPANY·Filed 2002·Granted Mar 22, 2005·64 cites·46 claims
- 0296US6446732B1VELO ECOH sprinkler arrangementRELIABLE AUTO SPRINKLER CO·Filed 2000·Granted Sep 10, 2002·72 cites·16 claims
- 0396US5829532ALow pressure, early suppression fast response sprinklersCENTRAL SPRINKLER CORP·Filed 1997·Granted Nov 3, 1998·97 cites·19 claims
- 0496US5609211AExtended coverage automatic ceiling sprinklerCENTRAL SPRINKLER COMPANY·Filed 1995·Granted Mar 11, 1997·152 cites·7 claims
- 0595US11578827B2Fire protection sprinkler with a push-in connectionRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2020·Granted Feb 14, 2023·4 cites·15 claims
- 0695US10493307B2Flexible dry sprinklersRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2018·Granted Dec 3, 2019·5 cites·29 claims
- 0795US8887822B2Flexible dry sprinklersPOLAN GEORGE·Filed 2012·Granted Nov 18, 2014·23 cites·21 claims
- 0895US8573316B2Concealed horizontal sidewall sprinklerPOLAN GEORGE S·Filed 2010·Granted Nov 5, 2013·25 cites·20 claims
- 0995US7275603B2Concealed pendent fire protection sprinkler with drop-down deflectorRELIABLE AUTO SPRINKLER CO·Filed 2004·Granted Oct 2, 2007·68 cites·11 claims
- 1095US6336509B1Low pressure fast response bulb sprinklersCENTRAL SPRINKLER CORP·Filed 2000·Granted Jan 8, 2002·70 cites·50 claims
- 1195US5669449ADirectional sprinklersCENTRAL SPRINKLER CO·Filed 1995·Granted Sep 23, 1997·147 cites·34 claims
- 1294US10391343B2Flexible dry sprinklersRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2018·Granted Aug 27, 2019·4 cites·23 claims
- 1393US11892110B2Fire protection sprinkler with a push-in connectionRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2023·Granted Feb 6, 2024·2 cites·46 claims
- 1493US11596822B2Flexible dry sprinklerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2021·Granted Mar 7, 2023·2 cites·8 claims
- 1593US5584344AExtended coverage ceiling sprinklers and systemsCENTRAL SPRINKLER CORP·Filed 1995·Granted Dec 17, 1996·70 cites·37 claims
- 1692US10265560B2Flexible dry sprinklersRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2014·Granted Apr 23, 2019·8 cites·105 claims
- 1792US6554077B2Quick response adjustable automatic sprinkler arrangementsRELIABLE AUTO SPRINKLER CO·Filed 2001·Granted Apr 29, 2003·61 cites·26 claims
- 1891US8776903B2Lodgment prevention arrangements for fire sprinklersJIMENEZ JUAN·Filed 2011·Granted Jul 15, 2014·22 cites·9 claims
- 1991US6502643B1Low pressure, early suppression fast response sprinklersCENTRAL SPRINKLER COMPANY·Filed 1998·Granted Jan 7, 2003·64 cites·92 claims
- 2091US2025135252A1Flexible dry sprinklerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2024·Application pending·0 cites
- 2190US5664630AExtended coverage ceiling sprinklers and systemsFiled 1994·Granted Sep 9, 1997·109 cites·18 claims
- 2290US5366022AExtended coverage ceiling sprinklers and systemsCENTRAL SPRINKLER CORP·Filed 1992·Granted Nov 22, 1994·111 cites·80 claims
- 2388US5579846AExtended coverage ceiling sprinklers and systemsCENTRAL SPRINKLER CORP·Filed 1994·Granted Dec 3, 1996·85 cites·24 claims
- 2488US4976320AConcealed sprinkler with drop down deflector assembly, and improved fusible valve lever assemblyCENTRAL SPRINKLER CORP·Filed 1989·Granted Dec 11, 1990·88 cites·12 claims
- 2587US12409354B2Arrangement of extended coverage dry pendent storage sprinklers for a storage freezerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2024·Granted Sep 9, 2025·0 cites·18 claims
- 2687US12201863B2Flexible dry sprinklerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2023·Granted Jan 21, 2025·0 cites·9 claims
- 2787US8800673B2Fire protection sprinklers and systems for atticsMULTER THOMAS L·Filed 2009·Granted Aug 12, 2014·24 cites·37 claims
- 2887US5094298AFire sprinkler apparatusCENTRAL SPRINKLER CORP·Filed 1989·Granted Mar 10, 1992·91 cites·4 claims
- 2987US4711099APortable quick chilling deviceCENTRAL SPRINKLER CORP·Filed 1986·Granted Dec 8, 1987·75 cites·23 claims
- 3086US4854342AClapper seal for dry pipe valveCENTRAL SPRINKLER CORP·Filed 1988·Granted Aug 8, 1989·42 cites·9 claims
- 3185US9248327B2Concealed horizontal sidewall sprinklerRELIABLE AUTO SPRINKLER CO·Filed 2013·Granted Feb 2, 2016·7 cites·4 claims
- 3284US11872427B2Flexible dry sprinklerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2023·Granted Jan 16, 2024·0 cites·20 claims
- 3384US10046190B2Horizontal sidewall fire protection sprinklerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2015·Granted Aug 14, 2018·5 cites·30 claims
- 3483US10335621B2Flexible dry sprinklersRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2018·Granted Jul 2, 2019·1 cites·30 claims
- 3582US4926946APendent style sprinkler with coverCENTRAL SPRINKLER CORP·Filed 1988·Granted May 22, 1990·60 cites·20 claims
- 3680US12181089B2Fire protection sprinkler having a push-in connectionRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2023·Granted Dec 31, 2024·0 cites·46 claims
- 3780US2025195930A1Dry sprinklerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2025·Application pending·0 cites
- 3877US12465795B2Extended coverage dry pendent storage sprinkler for a storage freezerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2021·Granted Nov 11, 2025·0 cites·25 claims
- 3977US12064656B2Arrangement of extended coverage dry pendent storage sprinklers for a storage freezerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2021·Granted Aug 20, 2024·0 cites·10 claims
- 4077US4732216AQuick release mechanism for sprinkler headCENTRAL SPRINKLER CORP·Filed 1986·Granted Mar 22, 1988·51 cites·12 claims
- 4176US5097906AConcealed automatic sprinklerCENTRAL SPRINKLER CORP·Filed 1990·Granted Mar 24, 1992·59 cites·13 claims
- 4275US5494113ASprinklers with shape-memory alloy actuatorsCENTRAL SPRINKLER CORP·Filed 1994·Granted Feb 27, 1996·56 cites·31 claims
- 4374US5083616ACeiling sprinklerCENTRAL SPRINKLER CORP·Filed 1990·Granted Jan 28, 1992·55 cites·20 claims
- 4472US10933267B2Flexible dry sprinklersRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2019·Granted Mar 2, 2021·0 cites·3 claims
- 4571US5080176ADirectly mounted pendent-style sprinklers and coversCENTRAL SPRINKLER CORP·Filed 1990·Granted Jan 14, 1992·52 cites·22 claims
- 4670US8162069B2Automatic fire protection sprinkler with extended bodyMULTER THOMAS L·Filed 2006·Granted Apr 24, 2012·5 cites·16 claims
- 4770US4739835AQuick response glass bulb sprinklerCENTRAL SPRINKLER CORP·Filed 1986·Granted Apr 26, 1988·40 cites·19 claims
- 4865USD318096SCeiling cover for pendent style sprinklersCENTRAL SPRINKLER CORP·Filed 1988·Granted Jul 9, 1991·10 cites·1 claims
- 4961US11241598B2Extended coverage dry pendent storage sprinkler for a large storage freezerRELIABLE AUTOMATIC SPRINKLER CO INC·Filed 2016·Granted Feb 8, 2022·0 cites·11 claims
- 5059US4991656AQuick release valve for sprinkler headCENTRAL SPRINKLER CORP·Filed 1990·Granted Feb 12, 1991·28 cites·13 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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