Assignee
METROPOLITAN IND INC
US·35 granted patents·5 pending applications·1,047 citations·filing 1975–2025
Top patents by PatentIndex Score
40 records- 0198US7307538B2Pump connector systemMETROPOLITAN IND INC·Filed 2005·Granted Dec 11, 2007·88 cites·4 claims
- 0295US6789024B1Flow calculation systemMETROPOLITAN IND INC·Filed 2000·Granted Sep 7, 2004·84 cites·39 claims
- 0394US7612529B2Pump control with multiple rechargeable battery docking stationsMETROPOLITAN IND INC·Filed 2007·Granted Nov 3, 2009·65 cites·26 claims
- 0492US5522707AVariable frequency drive system for fluid delivery systemMETROPOLITAN IND INC·Filed 1994·Granted Jun 4, 1996·115 cites·14 claims
- 0589US6565325B2Processor based pump control systemsMETROPOLITAN IND INC·Filed 2001·Granted May 20, 2003·39 cites·24 claims
- 0688US6847130B1Uninterruptible power systemMETROPOLITAN IND INC·Filed 2002·Granted Jan 25, 2005·90 cites·24 claims
- 0786US9989394B2Automatic shut off valveMETROPOLITAN IND INC·Filed 2014·Granted Jun 5, 2018·5 cites·11 claims
- 0886US6257833B1Redundant, dedicated variable speed drive systemMETROPOLITAN IND INC·Filed 2000·Granted Jul 10, 2001·89 cites·13 claims
- 0986US6150776AVariable frequency motor starting system and methodMETROPOLITAN IND INC·Filed 1999·Granted Nov 21, 2000·61 cites·37 claims
- 1085US6366053B1DC pump control systemMETROPOLITAN IND INC·Filed 2000·Granted Apr 2, 2002·68 cites·26 claims
- 1184US3965635APrefabricated building panel and method of makingMETROPOLITAN IND INC·Filed 1975·Granted Jun 29, 1976·58 cites·10 claims
- 1283US6198257B1Transformerless DC-to-AC power converter and methodMETROPOLITAN IND INC·Filed 1999·Granted Mar 6, 2001·77 cites·9 claims
- 1382US9680401B2Strain gauge pump control switchMETROPOLITAN IND INC·Filed 2015·Granted Jun 13, 2017·2 cites·18 claims
- 1481US6322325B1Processor based pump control systemsMETROPOLITAN IND INC·Filed 1999·Granted Nov 27, 2001·43 cites·8 claims
- 1580US5973501ACurrent and voltage probe for measuring harmonic distortionMETROPOLITAN IND INC·Filed 1995·Granted Oct 26, 1999·40 cites·16 claims
- 1678US10323633B2Pump control system having emergency run modeMETROPOLITAN IND INC·Filed 2014·Granted Jun 18, 2019·3 cites·12 claims
- 1778US9958878B2Multi-priority pump control unitMETROPOLITAN IND INC·Filed 2013·Granted May 1, 2018·8 cites·25 claims
- 1876US6014027ACurrent and voltage probe for measuring harmonic distortionMETROPOLITAN IND INC·Filed 1999·Granted Jan 11, 2000·33 cites·7 claims
- 1975US6356467B1DC/DC boost converter with bypass circuitryMETROPOLITAN IND INC·Filed 2001·Granted Mar 12, 2002·30 cites·18 claims
- 2071US9033686B2Strain gauge pump control switchMETROPOLITAN IND INC·Filed 2013·Granted May 19, 2015·2 cites·9 claims
- 2169US9923506B1Motor control system and method for implementing a direct on-off communication control routineMETROPOLITAN IND INC·Filed 2016·Granted Mar 20, 2018·1 cites·17 claims
- 2267US2021340740A1Pump control system having interface for remote monitoring and controlMETROPOLITAN IND INC·Filed 2021·Application pending·0 cites
- 2364US7615954B1Density sensing, solid state, pump switching systemMETROPOLITAN IND INC·Filed 2006·Granted Nov 10, 2009·7 cites·22 claims
- 2463US5707211AVariable speed pump system with a hydropneumatic buffer/pressure tankMETROPOLITAN IND INC·Filed 1995·Granted Jan 13, 1998·29 cites·10 claims
- 2562US10526772B2Automatic shut off valveMETROPOLITAN IND INC·Filed 2018·Granted Jan 7, 2020·0 cites·16 claims
- 2661US11008738B2Pump control system having temperature detection and interface for remote monitoring and controlMETROPOLITAN IND INC·Filed 2017·Granted May 18, 2021·0 cites·8 claims
- 2759US12147204B2Panel monitor for retrofitting existing control panelsMETROPOLITAN IND INC·Filed 2022·Granted Nov 19, 2024·0 cites·6 claims
- 2859US11892889B2Network switch device with battery powered back-up modem and remote device power supplyMETROPOLITAN IND INC·Filed 2022·Granted Feb 6, 2024·0 cites·20 claims
- 2956US10291169B2Control system and method for high voltage applicationsMETROPOLITAN IND INC·Filed 2018·Granted May 14, 2019·0 cites·15 claims
- 3055US2023387636A1System and method for electrical receptacle in-use sensing detectionMETROPOLITAN IND INC·Filed 2023·Application pending·0 cites
- 3154US2025251267A1Flow meter with integrated automatic shut-off valve and remote read accessMETROPOLITAN IND INC·Filed 2025·Application pending·0 cites
- 3252US8979503B2Strain gauge pump control switchMETROPOLITAN IND INC·Filed 2013·Granted Mar 17, 2015·0 cites·11 claims
- 3350US6647664B1Hanger for a housingMETROPOLITAN IND INC·Filed 2000·Granted Nov 18, 2003·10 cites·4 claims
- 3449US10079567B2Monitor and control systems for a motor shaftMETROPOLITAN IND INC·Filed 2017·Granted Sep 18, 2018·0 cites·15 claims
- 3547US10827053B2Message projectorMETROPOLITAN IND INC·Filed 2019·Granted Nov 3, 2020·0 cites·8 claims
- 3646US2016013694A1Deeply nested coil arrays for motors and generatorsMETROPOLITAN IND INC·Filed 2014·Application pending·0 cites
- 3745US11385612B2System and method for digital motor identification and controlMETROPOLITAN IND INC·Filed 2018·Granted Jul 12, 2022·0 cites·20 claims
- 3845US11049678B2Magnetic float switchMETROPOLITAN IND INC·Filed 2019·Granted Jun 29, 2021·0 cites·20 claims
- 3943US2011064564A1Pumps or Generators with Flow-Through ImpellersMETROPOLITAN IND INC·Filed 2010·Application pending·0 cites
- 4037US9791296B2System and method of synchronously switching electrical phases of a permanent magnet synchronous motorMETROPOLITAN IND INC·Filed 2015·Granted Oct 17, 2017·0 cites·16 claims
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