Assignee
POWERWARE CORP
US·39 granted patents·1 pending application·3,281 citations·filing 1993–2004
Top patents by PatentIndex Score
40 records- 0197US6400586B2Power factor corrected UPS with improved connection of battery to neutralPOWERWARE CORP·Filed 2001·Granted Jun 4, 2002·114 cites·61 claims
- 0296US6483730B2Power converters with AC and DC operating modes and methods of operation thereofPOWERWARE CORP·Filed 2001·Granted Nov 19, 2002·119 cites·37 claims
- 0396US6310783B1Modular method and apparatus for building an uninterruptible power system (UPS)POWERWARE CORP·Filed 2000·Granted Oct 30, 2001·224 cites·32 claims
- 0495US6396170B1Method and apparatus for coordinating uninterruptible power supply modules to provide scalable, redundant powerPOWERWARE CORP·Filed 2000·Granted May 28, 2002·284 cites·34 claims
- 0595US6295215B1AC power supply apparatus with economy mode and methods of operation thereofPOWERWARE CORP·Filed 2000·Granted Sep 25, 2001·256 cites·45 claims
- 0695US6292379B1Distributed internal fault bypass in a modular uninterruptible power supplyPOWERWARE CORP·Filed 2000·Granted Sep 18, 2001·271 cites·27 claims
- 0795US6069412APower factor corrected UPS with improved connection of battery to neutralPOWERWARE CORP·Filed 1993·Granted May 30, 2000·102 cites·12 claims
- 0893US6906933B2Power supply apparatus and methods with power-factor correcting bypass modePOWERWARE CORP·Filed 2002·Granted Jun 14, 2005·99 cites·26 claims
- 0993US6661678B2Power factor corrected UPS with improved connection of battery to neutral and methods of operation thereofPOWERWARE CORP·Filed 2002·Granted Dec 9, 2003·63 cites·8 claims
- 1093US6330176B1Multi-input power transfer and uninterruptible power supply apparatus and methods of operation thereofPOWERWARE CORP·Filed 2000·Granted Dec 11, 2001·154 cites·45 claims
- 1193US6160722AUninterruptible power supplies with dual-sourcing capability and methods of operation thereofPOWERWARE CORP·Filed 1999·Granted Dec 12, 2000·174 cites·33 claims
- 1292US6314007B2Multi-mode power converters incorporating balancer circuits and methods of operation thereofPOWERWARE CORP·Filed 2001·Granted Nov 6, 2001·104 cites·42 claims
- 1391US7132833B2System for detecting defective battery packsPOWERWARE CORP·Filed 2001·Granted Nov 7, 2006·45 cites·27 claims
- 1491US6266260B1Inverter having center switch and uninterruptible power supply implementing samePOWERWARE CORP·Filed 2000·Granted Jul 24, 2001·81 cites·35 claims
- 1590US6356471B1Dynamic feedback adaptive control system and method for paralleling electric power sources and an uninterruptible power supply including samePOWERWARE CORP·Filed 2000·Granted Mar 12, 2002·133 cites·19 claims
- 1689US6486399B1Pole mount cabinet and method for assembling the samePOWERWARE CORP·Filed 2001·Granted Nov 26, 2002·101 cites·68 claims
- 1788US6218744B1Uninterruptible power supply and ferroresonant transformer for use therewithPOWERWARE CORP·Filed 2000·Granted Apr 17, 2001·96 cites·57 claims
- 1887US6629247B1Methods, systems, and computer program products for communications in uninterruptible power supply systems using controller area networksPOWERWARE CORP·Filed 2000·Granted Sep 30, 2003·88 cites·41 claims
- 1985US6374460B1Multi-function handle and modular chassis incorporating samePOWERWARE CORP·Filed 2000·Granted Apr 23, 2002·37 cites·19 claims
- 2084US6462961B1Component housing assembly having universal mounting capability and mounting bracket for use therewithPOWERWARE CORP·Filed 2000·Granted Oct 8, 2002·51 cites·22 claims
- 2184US6391489B1Battery terminal jumper clipPOWERWARE CORP·Filed 2000·Granted May 21, 2002·39 cites·31 claims
- 2284US6295216B1Power supply apparatus with selective rectifier harmonic input current suppression and methods of operation thereofPOWERWARE CORP·Filed 2000·Granted Sep 25, 2001·59 cites·61 claims
- 2384US6201720B1Apparatus and methods for space-vector domain control in uninterruptible power suppliesPOWERWARE CORP·Filed 2000·Granted Mar 13, 2001·56 cites·32 claims
- 2482US6605879B2Battery charger control circuit and an uninterruptible power supply utilizing samePOWERWARE CORP·Filed 2001·Granted Aug 12, 2003·63 cites·23 claims
- 2582US6599657B1Battery pack housing and battery pack and power supply device incorporating the samePOWERWARE CORP·Filed 2000·Granted Jul 29, 2003·47 cites·33 claims
- 2682US6262899B1Power factor corrected UPS maintaining neutral integrity and methods of operation thereofPOWERWARE CORP·Filed 2000·Granted Jul 17, 2001·29 cites·8 claims
- 2781US6753622B2Uninterruptible power supply systems and methods using rectified AC with current controlPOWERWARE CORP·Filed 2001·Granted Jun 22, 2004·50 cites·64 claims
- 2877US6356284B1Operating system-independent graphical user interface with sliding panelPOWERWARE CORP·Filed 1999·Granted Mar 12, 2002·136 cites·81 claims
- 2970US6515883B2Single-stage power converter and an uninterruptible power supply using samePOWERWARE CORP·Filed 2001·Granted Feb 4, 2003·25 cites·23 claims
- 3070US6418024B2Heat sink apparatus and method of attaching the heat sink apparatus to a devicePOWERWARE CORP·Filed 2001·Granted Jul 9, 2002·15 cites·19 claims
- 3168US6348782B1Uninterruptible power supply systems, voltage regulators and operating methods employing controlled ferroresonant transformer circuitsPOWERWARE CORP·Filed 1998·Granted Feb 19, 2002·58 cites·61 claims
- 3266US6819576B2Power conversion apparatus and methods using balancer circuitsPOWERWARE CORP·Filed 2002·Granted Nov 16, 2004·20 cites·46 claims
- 3363US6549440B2AC power supply apparatus and methods providing output control based on estimated instantaneous reactive powerPOWERWARE CORP·Filed 2001·Granted Apr 15, 2003·17 cites·45 claims
- 3454US6724596B2Hysteretic current control method and an uninterruptible power supply using samePOWERWARE CORP·Filed 2001·Granted Apr 20, 2004·11 cites·25 claims
- 3551US6219246B1Heat sink apparatusPOWERWARE CORP·Filed 1999·Granted Apr 17, 2001·15 cites·24 claims
- 3649US6535100B2Insulated transformer foil windings with breakouts and methods for forming the samePOWERWARE CORP·Filed 2000·Granted Mar 18, 2003·8 cites·28 claims
- 3746US7129822B2Devices for detecting the presence of a source of powerPOWERWARE CORP·Filed 2004·Granted Oct 31, 2006·10 cites·12 claims
- 3842US6121756AChargerPOWERWARE CORP·Filed 1999·Granted Sep 19, 2000·17 cites·48 claims
- 3939US2004168818A1System for detecting defective battery packsPOWERWARE CORP·Filed 2004·Application pending·0 cites
- 4036US6307763B1Twelve-pulse rectifiers including separate six-pulse controllers and methods of controlling samePOWERWARE CORP·Filed 1999·Granted Oct 23, 2001·10 cites·41 claims
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