Assignee
LIEBERT CORP
US·128 granted patents·32 pending applications·4,229 citations·filing 1975–2018
Top patents by PatentIndex Score
160 records- 0196US7679909B2Integral swivel hydraulic connectors, door hinges, and methods and systems for their useLIEBERT CORP·Filed 2007·Granted Mar 16, 2010·69 cites·16 claims
- 0296US6796372B2Single or dual buss thermal transfer systemLIEBERT CORP·Filed 2002·Granted Sep 28, 2004·184 cites·26 claims
- 0396US6557624B1Configurable system and method for cooling a roomLIEBERT CORP·Filed 2000·Granted May 6, 2003·145 cites·30 claims
- 0496US5177972AEnergy efficient air conditioning system utilizing a variable speed compressor and integrally-related expansion valvesLIEBERT CORP·Filed 1983·Granted Jan 12, 1993·124 cites·6 claims
- 0596US4575668AController for providing PWM drive to an A.C. motorLIEBERT CORP·Filed 1984·Granted Mar 11, 1986·77 cites·28 claims
- 0695US10677823B2System and method of identifying path of residual current flow through an intelligent power stripLIEBERT CORP·Filed 2018·Granted Jun 9, 2020·5 cites·19 claims
- 0795US7982335B2Adaptive power stripLIEBERT CORP·Filed 2009·Granted Jul 19, 2011·62 cites·36 claims
- 0895US7367384B2Integrated heat exchangers in a rack for vertical board style computer systemsLIEBERT CORP·Filed 2005·Granted May 6, 2008·79 cites·19 claims
- 0995US7255640B2Cable and air management adapter system for enclosures housing electronic equipmentLIEBERT CORP·Filed 2003·Granted Aug 14, 2007·170 cites·26 claims
- 1095US7051802B2Method and apparatus for cooling electronic enclosuresLIEBERT CORP·Filed 2001·Granted May 30, 2006·137 cites·11 claims
- 1195US5345779AModular floor sub-structure for the operational support of computer systemsLIEBERT CORP·Filed 1993·Granted Sep 13, 1994·160 cites·41 claims
- 1294US6564858B1Overhead cooling system with selectively positioned paths of airflowLIEBERT CORP·Filed 2000·Granted May 20, 2003·72 cites·41 claims
- 1394US5467609AModular floor sub-structure for the operational support of computer systemsLIEBERT CORP·Filed 1994·Granted Nov 21, 1995·183 cites·26 claims
- 1494US4719550AUninterruptible power supply with energy conversion and enhancementLIEBERT CORP·Filed 1986·Granted Jan 12, 1988·243 cites·19 claims
- 1593US9494371B2Pumped refrigerant cooling system with 1+1 to N+1 and built-in redundancyLIEBERT CORP·Filed 2012·Granted Nov 15, 2016·10 cites·9 claims
- 1692US9980413B2High efficiency cooling systemLIEBERT CORP·Filed 2015·Granted May 22, 2018·7 cites·15 claims
- 1792US9719803B2Mesh network synchronous power monitoring systems and methodsLIEBERT CORP·Filed 2014·Granted Aug 1, 2017·20 cites·32 claims
- 1892US7900468B2Method and apparatus for equalizing a pumped refrigerant systemLIEBERT CORP·Filed 2008·Granted Mar 8, 2011·20 cites·8 claims
- 1992US7598880B2Wireless battery monitoring system and methodLIEBERT CORP·Filed 2006·Granted Oct 6, 2009·49 cites·18 claims
- 2092US6881898B2Remote distribution cabinetLIEBERT CORP·Filed 2002·Granted Apr 19, 2005·73 cites·21 claims
- 2192US6700351B2Modular uninterruptible power supply battery managementLIEBERT CORP·Filed 2001·Granted Mar 2, 2004·145 cites·8 claims
- 2292US5709100AAir conditioning for communications stationsLIEBERT CORP·Filed 1996·Granted Jan 20, 1998·131 cites·16 claims
- 2392US4270362AControl system for an air conditioning system having supplementary, ambient derived coolingLIEBERT CORP·Filed 1979·Granted Jun 2, 1981·110 cites·32 claims
- 2491US7857214B2Intelligent track system for mounting electronic equipmentLIEBERT CORP·Filed 2007·Granted Dec 28, 2010·73 cites·18 claims
- 2591US7566988B2Method and apparatus for monitoring UPS power sourcesLIEBERT CORP·Filed 2006·Granted Jul 28, 2009·45 cites·20 claims
- 2691US4709318AUPS apparatus with control protocolsLIEBERT CORP·Filed 1986·Granted Nov 24, 1987·185 cites·26 claims
- 2790US9520874B2Operating a static transfer switch to eliminate transformer inrush current in the presence of residual fluxLIEBERT CORP·Filed 2013·Granted Dec 13, 2016·10 cites·16 claims
- 2890US9140475B2Receiver tank purge in vapor compression cooling system with pumped refrigerant economizationLIEBERT CORP·Filed 2013·Granted Sep 22, 2015·10 cites·5 claims
- 2990US6644384B2Modular low profile cooling systemLIEBERT CORP·Filed 2002·Granted Nov 11, 2003·53 cites·19 claims
- 3090US4271678ALiquid refrigeration system for an enclosure temperature controlled outdoor cooling or pre-conditioningLIEBERT CORP·Filed 1979·Granted Jun 9, 1981·108 cites·11 claims
- 3189US10250032B2Intelligent power strip with management of bistable relays to reduce current in-rushLIEBERT CORP·Filed 2016·Granted Apr 2, 2019·7 cites·21 claims
- 3289US10174977B2Apparatus and method for subcooling control based on superheat setpoint controlLIEBERT CORP·Filed 2014·Granted Jan 8, 2019·7 cites·19 claims
- 3389US7788940B2Electronic equipment cabinet with integrated, high capacity, cooling system, and backup ventilationLIEBERT CORP·Filed 2006·Granted Sep 7, 2010·33 cites·19 claims
- 3488US6917124B2Uninterruptible power supplyLIEBERT CORP·Filed 2001·Granted Jul 12, 2005·126 cites·21 claims
- 3587US7895855B2Closed data center containment system and associated methodsLIEBERT CORP·Filed 2009·Granted Mar 1, 2011·61 cites·38 claims
- 3687US7667351B2Method for pulse width modulation synchronization in a parallel UPS systemLIEBERT CORP·Filed 2008·Granted Feb 23, 2010·28 cites·20 claims
- 3787US7511229B2Sensor module, system, and method for sensors in proximity to circuit breakersLIEBERT CORP·Filed 2006·Granted Mar 31, 2009·24 cites·5 claims
- 3887US6761212B2Spiral copper tube and aluminum fin thermosyphon heat exchangerLIEBERT CORP·Filed 2001·Granted Jul 13, 2004·61 cites·8 claims
- 3986US6564571B2High availability energyLIEBERT CORP·Filed 2001·Granted May 20, 2003·41 cites·20 claims
- 4086US6466465B1Digital control of voltage harmonic distortion and overload current protection for invertersLIEBERT CORP·Filed 2001·Granted Oct 15, 2002·58 cites·1 claims
- 4186US4782241AUninterruptible power supply apparatus and power path transfer methodLIEBERT CORP·Filed 1987·Granted Nov 1, 1988·136 cites·39 claims
- 4285US6754066B2UPS cabinet and method of assemblyLIEBERT CORP·Filed 2001·Granted Jun 22, 2004·47 cites·23 claims
- 4385US6563048B2Ancillary cabinet system for an uninterruptible power supplyLIEBERT CORP·Filed 2001·Granted May 13, 2003·44 cites·28 claims
- 4484US10172261B2System and method for modular data centerLIEBERT CORP·Filed 2016·Granted Jan 1, 2019·11 cites·20 claims
- 4584US9845981B2Load estimator for control of vapor compression cooling system with pumped refrigerant economizationLIEBERT CORP·Filed 2013·Granted Dec 19, 2017·7 cites·7 claims
- 4683US7987248B2Self-configuring IP addressable devices utilizing two ethernet protocol IP portsLIEBERT CORP·Filed 2010·Granted Jul 26, 2011·8 cites·20 claims
- 4782US10254028B2Cooling system with direct expansion and pumped refrigerant economization coolingLIEBERT CORP·Filed 2016·Granted Apr 9, 2019·2 cites·8 claims
- 4882US9970689B2Cooling system having a condenser with a micro-channel cooling coil and sub-cooler having a fin-and-tube heat cooling coilLIEBERT CORP·Filed 2015·Granted May 15, 2018·3 cites·4 claims
- 4981US7888816B2Method and apparatus for maintaining uninterruptible power suppliesLIEBERT CORP·Filed 2007·Granted Feb 15, 2011·17 cites·10 claims
- 5081US7864552B2Intelligent sensorless control of a phase controlled rectifierLIEBERT CORP·Filed 2008·Granted Jan 4, 2011·16 cites·21 claims
Showing the top 50 of 160 patent records by PatentIndex Score.
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