Assignee
ALPHA TECH INC
US·26 granted patents·4 pending applications·981 citations·filing 1995–2018
Top patents by PatentIndex Score
30 records- 0195US7182632B1Connection systems and methods for utility metersALPHA TECH INC·Filed 2006·Granted Feb 27, 2007·38 cites·31 claims
- 0294US10074981B2Power control systems and methodsALPHA TECH INC·Filed 2016·Granted Sep 11, 2018·26 cites·20 claims
- 0391US6841971B1Charge balancing systems and methodsALPHA TECH INC·Filed 2003·Granted Jan 11, 2005·143 cites·28 claims
- 0490US9812900B2Switching systems and methods for use in uninterruptible power suppliesALPHA TECH INC·Filed 2015·Granted Nov 7, 2017·7 cites·12 claims
- 0589US5961604AStatus monitoring systems for cable television signal distribution networksALPHA TECH INC·Filed 1998·Granted Oct 5, 1999·217 cites·20 claims
- 0688US9853497B2Charge equalization systems and methods for battery systems and uninterruptible power suppliesALPHA TECH INC·Filed 2016·Granted Dec 26, 2017·7 cites·23 claims
- 0788US7040920B2Connection systems and methods for utility metersALPHA TECH INC·Filed 2004·Granted May 9, 2006·37 cites·29 claims
- 0887US6014015AElectrical generator employing rotary engineALPHA TECH INC·Filed 1998·Granted Jan 11, 2000·78 cites·23 claims
- 0983US10381867B1Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power suppliesALPHA TECH INC·Filed 2016·Granted Aug 13, 2019·4 cites·10 claims
- 1083US9633781B2Ferroresonant transformer for use in uninterruptible power suppliesALPHA TECH INC·Filed 2013·Granted Apr 25, 2017·8 cites·18 claims
- 1183US6602627B2Uninterruptible power supplies using fuel cellsALPHA TECH INC·Filed 2001·Granted Aug 5, 2003·88 cites·30 claims
- 1280US9037443B1Systems and methods for solar power equipmentALPHA TECH INC·Filed 2012·Granted May 19, 2015·4 cites·20 claims
- 1379US10819144B2Ferroresonant transformer for use in uninterruptible power suppliesALPHA TECH INC·Filed 2017·Granted Oct 27, 2020·1 cites·20 claims
- 1477US10312728B2Charge equalization systems and methods for battery systems and uninterruptible power suppliesALPHA TECH INC·Filed 2017·Granted Jun 4, 2019·2 cites·14 claims
- 1576US10635122B2Voltage regulated AC power supply systems and methodsALPHA TECH INC·Filed 2018·Granted Apr 28, 2020·2 cites·11 claims
- 1676US9234916B2Status monitoring cables for generatorsALPHA TECH INC·Filed 2013·Granted Jan 12, 2016·12 cites·21 claims
- 1773US10355521B2Switching systems and methods for use in uninterruptible power suppliesALPHA TECH INC·Filed 2017·Granted Jul 16, 2019·1 cites·11 claims
- 1873US6288916B1Multiple output uninterruptible alternating current power supplies for communications systemALPHA TECH INC·Filed 1999·Granted Sep 11, 2001·84 cites·15 claims
- 1971US5638244AApparatus and methods for generating uninterruptible AC power signalsALPHA TECH INC·Filed 1995·Granted Jun 10, 1997·61 cites·25 claims
- 2070US5739595AApparatus and methods for generating an AC power signal for cable tv distribution systemsALPHA TECH INC·Filed 1996·Granted Apr 14, 1998·45 cites·30 claims
- 2167US5892431APower multiplexer for broadband communications systemsALPHA TECH INC·Filed 1998·Granted Apr 6, 1999·58 cites·2 claims
- 2266US5760495AInverter/charger circuit for uninterruptible power suppliesALPHA TECH INC·Filed 1996·Granted Jun 2, 1998·57 cites·29 claims
- 2365US10042963B2Systems and methods for solar power equipmentALPHA TECH INC·Filed 2015·Granted Aug 7, 2018·1 cites·15 claims
- 2454US10263460B2Uninterruptible power supply systems and methods for communication systemsALPHA TECH INC·Filed 2017·Granted Apr 16, 2019·0 cites·19 claims
- 2554US2009189574A1Simplified maximum power point control utilizing the pv array voltage at the maximum power pointALPHA TECH INC·Filed 2009·Application pending·0 cites
- 2650US9800090B2Uninterruptible power supply systems and methods for communication systemsALPHA TECH INC·Filed 2015·Granted Oct 24, 2017·0 cites·20 claims
- 2747US10103571B2Uninterruptible power supplies for use in a distributed networkALPHA TECH INC·Filed 2016·Granted Oct 16, 2018·0 cites·20 claims
- 2846US2010275968A1Solar power systems optimized for use in cold weather conditionsALPHA TECH INC·Filed 2010·Application pending·0 cites
- 2943US2018351150A1Packaging systems and methods for batteriesALPHA TECH INC·Filed 2018·Application pending·0 cites
- 3042US2015142345A1Status Monitoring Systems and Methods for Uninterruptible Power SuppliesALPHA TECH INC·Filed 2014·Application pending·0 cites
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