Assignee
FRANKLIN ELECTRIC CO INC
US·73 granted patents·22 pending applications·2,385 citations·filing 1978–2025
Top patents by PatentIndex Score
95 records- 0197US4703387AElectric motor underload protection systemFRANKLIN ELECTRIC CO INC·Filed 1986·Granted Oct 27, 1987·157 cites·5 claims
- 0296US5580221AMotor drive circuit for pressure control of a pumping systemFRANKLIN ELECTRIC CO INC·Filed 1994·Granted Dec 3, 1996·188 cites·9 claims
- 0395US6700235B1Enhanced cooling apparatus and method for rotating machineryFRANKLIN ELECTRIC CO INC·Filed 2000·Granted Mar 2, 2004·110 cites·20 claims
- 0494US6264431B1Variable-speed motor drive controller for a pump-motor assemblyFRANKLIN ELECTRIC CO INC·Filed 1999·Granted Jul 24, 2001·138 cites·45 claims
- 0594US4494180AElectrical power matching systemFRANKLIN ELECTRIC CO INC·Filed 1983·Granted Jan 15, 1985·192 cites·20 claims
- 0694US4307327AControl arrangement for single phase AC systemsFRANKLIN ELECTRIC CO INC·Filed 1979·Granted Dec 22, 1981·67 cites·24 claims
- 0794US4286303AProtection system for an electric motorFRANKLIN ELECTRIC CO INC·Filed 1979·Granted Aug 25, 1981·116 cites·15 claims
- 0893US10667439B1Discrete power component assemblyFRANKLIN ELECTRIC CO INC·Filed 2018·Granted May 26, 2020·8 cites·11 claims
- 0993US4365148AData processing systemFRANKLIN ELECTRIC CO INC·Filed 1981·Granted Dec 21, 1982·160 cites·20 claims
- 1092US5614812APower supply with power factor correctionFRANKLIN ELECTRIC CO INC·Filed 1996·Granted Mar 25, 1997·127 cites·12 claims
- 1192US5473497AElectronic motor load sensing deviceFRANKLIN ELECTRIC CO INC·Filed 1993·Granted Dec 5, 1995·114 cites·35 claims
- 1291US4918802AMethod and apparatus for making permanent magnet rotorsFRANKLIN ELECTRIC CO INC·Filed 1989·Granted Apr 24, 1990·73 cites·18 claims
- 1391US4463304AHigh voltage motor control circuitFRANKLIN ELECTRIC CO INC·Filed 1982·Granted Jul 31, 1984·53 cites·1 claims
- 1490US11349419B2Motor drive system including removable bypass circuit and/or cooling featuresFRANKLIN ELECTRIC CO INC·Filed 2020·Granted May 31, 2022·3 cites·16 claims
- 1590US10233937B1Submersible pump thrust surface arrangementFRANKLIN ELECTRIC CO INC·Filed 2016·Granted Mar 19, 2019·6 cites·30 claims
- 1690US7443067B2Pump-motor assembly lead protector and assembly methodFRANKLIN ELECTRIC CO INC·Filed 2005·Granted Oct 28, 2008·21 cites·12 claims
- 1790US4742259APermanent magnet rotor for electric motorFRANKLIN ELECTRIC CO INC·Filed 1987·Granted May 3, 1988·97 cites·8 claims
- 1888US11905941B2Sewage basin pump control supportFRANKLIN ELECTRIC CO INC·Filed 2021·Granted Feb 20, 2024·2 cites·10 claims
- 1987US9479070B2Power conversion systemFRANKLIN ELECTRIC CO INC·Filed 2014·Granted Oct 25, 2016·14 cites·20 claims
- 2087US4633157AControl system for permanent magnet synchronous motorFRANKLIN ELECTRIC CO INC·Filed 1984·Granted Dec 30, 1986·49 cites·17 claims
- 2186US10385859B2In-line pressure boosting system and methodFRANKLIN ELECTRIC CO INC·Filed 2013·Granted Aug 20, 2019·7 cites·7 claims
- 2286US5863185ALiquid pumping system with cooled control moduleFRANKLIN ELECTRIC CO INC·Filed 1995·Granted Jan 26, 1999·66 cites·27 claims
- 2385US11018610B2Motor drive system and methodFRANKLIN ELECTRIC CO INC·Filed 2018·Granted May 25, 2021·4 cites·22 claims
- 2483US4462758AWater well pump control assemblyFRANKLIN ELECTRIC CO INC·Filed 1983·Granted Jul 31, 1984·66 cites·12 claims
- 2582US10566881B2Motor drive system including removable bypass circuit and/or cooling featuresFRANKLIN ELECTRIC CO INC·Filed 2018·Granted Feb 18, 2020·2 cites·22 claims
- 2682US7042124B2Electric motors for washdown, food processing, and chemical applicationsFRANKLIN ELECTRIC CO INC·Filed 2003·Granted May 9, 2006·38 cites·27 claims
- 2779US5868175AApparatus for recovery of fuel vaporFRANKLIN ELECTRIC CO INC·Filed 1996·Granted Feb 9, 1999·82 cites·25 claims
- 2877US11208992B2Sewage basin pump control supportFRANKLIN ELECTRIC CO INC·Filed 2017·Granted Dec 28, 2021·2 cites·21 claims
- 2976US10001121B2System and method for operating a pumpFRANKLIN ELECTRIC CO INC·Filed 2014·Granted Jun 19, 2018·3 cites·23 claims
- 3075US5796197ASubmersible motor sealing systemFRANKLIN ELECTRIC CO INC·Filed 1996·Granted Aug 18, 1998·45 cites·12 claims
- 3175US5704717ABearing support for rotary machineFRANKLIN ELECTRIC CO INC·Filed 1996·Granted Jan 6, 1998·29 cites·24 claims
- 3274US6624989B2Arc suppressing circuit employing a triggerable electronic switch to protect switch contactsFRANKLIN ELECTRIC CO INC·Filed 2001·Granted Sep 23, 2003·23 cites·23 claims
- 3374US4289988ACentrifugal mechanism and switchFRANKLIN ELECTRIC CO INC·Filed 1979·Granted Sep 15, 1981·16 cites·15 claims
- 3474US2025277484A1Modular pump/motor assemblyFRANKLIN ELECTRIC CO INC·Filed 2025·Application pending·0 cites
- 3573US2025297467A1Well water systemFRANKLIN ELECTRIC CO INC·Filed 2025·Application pending·0 cites
- 3672US10454267B1Motor protection device and method for protecting a motorFRANKLIN ELECTRIC CO INC·Filed 2018·Granted Oct 22, 2019·3 cites·21 claims
- 3770US12270186B1Well water systemFRANKLIN ELECTRIC CO INC·Filed 2022·Granted Apr 8, 2025·0 cites·16 claims
- 3870US4597555AElectric motor mountFRANKLIN ELECTRIC CO INC·Filed 1983·Granted Jul 1, 1986·26 cites·4 claims
- 3970US4394958AAir flow and condition responsive damperFRANKLIN ELECTRIC CO INC·Filed 1981·Granted Jul 26, 1983·28 cites·15 claims
- 4068US5898245ASelf-lubricating submersible electric motorFRANKLIN ELECTRIC CO INC·Filed 1997·Granted Apr 27, 1999·33 cites·9 claims
- 4168US2023374979A1Modular pump/motor assemblyFRANKLIN ELECTRIC CO INC·Filed 2023·Application pending·0 cites
- 4266US11473589B2Impeller assemblies and method of makingFRANKLIN ELECTRIC CO INC·Filed 2019·Granted Oct 18, 2022·1 cites·23 claims
- 4365US11988223B2Impeller assemblies and method of makingFRANKLIN ELECTRIC CO INC·Filed 2022·Granted May 21, 2024·0 cites·20 claims
- 4465US4733324ASurge arrestorFRANKLIN ELECTRIC CO INC·Filed 1987·Granted Mar 22, 1988·24 cites·11 claims
- 4564US4418774AWeight or force measuring apparatusFRANKLIN ELECTRIC CO INC·Filed 1981·Granted Dec 6, 1983·24 cites·10 claims
- 4664US4336473AElectric motorFRANKLIN ELECTRIC CO INC·Filed 1979·Granted Jun 22, 1982·23 cites·9 claims
- 4763US4297627AElectric motor constructionFRANKLIN ELECTRIC CO INC·Filed 1978·Granted Oct 27, 1981·18 cites·27 claims
- 4862US10090878B2Motor drive system and methodFRANKLIN ELECTRIC CO INC·Filed 2014·Granted Oct 2, 2018·1 cites·22 claims
- 4962US2025180646A1System and method for trip coil current signature monitoringFRANKLIN ELECTRIC CO INC·Filed 2024·Application pending·0 cites
- 5061US11041487B2Wastewater sump assemblyFRANKLIN ELECTRIC CO INC·Filed 2013·Granted Jun 22, 2021·2 cites·25 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
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