Assignee
ASTEC INT LTD
US·302 granted patents·23 pending applications·9,459 citations·filing 1984–2024
Top patents by PatentIndex Score
325 records- 0198US5493154ATemperature share schemeASTEC INT LTD·Filed 1993·Granted Feb 20, 1996·237 cites·4 claims
- 0298US5126686ARF amplifier system having multiple selectable power output levelsASTEC INT LTD·Filed 1989·Granted Jun 30, 1992·210 cites·14 claims
- 0397US11108329B1Switch-mode power supplies including three-level LLC circuits for low line and high line operationASTEC INT LTD·Filed 2020·Granted Aug 31, 2021·9 cites·20 claims
- 0497US10742123B1Low common mode noise transformers and switch-mode DC-DC power convertersASTEC INT LTD·Filed 2019·Granted Aug 11, 2020·18 cites·13 claims
- 0597US7859336B2Power supply providing ultrafast modulation of output voltageASTEC INT LTD·Filed 2007·Granted Dec 28, 2010·94 cites·6 claims
- 0697US6344986B1Topology and control method for power factor correctionASTEC INT LTD·Filed 2000·Granted Feb 5, 2002·162 cites·22 claims
- 0797US5905645AThermally aided power sharing of power supplies with or without an external current share lineASTEC INT LTD·Filed 1996·Granted May 18, 1999·256 cites·48 claims
- 0897US5422558AMulticell battery power systemASTEC INT LTD·Filed 1993·Granted Jun 6, 1995·305 cites·18 claims
- 0997US5001620APower factor improvementASTEC INT LTD·Filed 1989·Granted Mar 19, 1991·197 cites·19 claims
- 1096US11557976B2Three-phase LLC power supply circuit for high voltage bus inputASTEC INT LTD·Filed 2020·Granted Jan 17, 2023·3 cites·20 claims
- 1196US6087922AFolded foil transformer constructionASTEC INT LTD·Filed 1998·Granted Jul 11, 2000·120 cites·20 claims
- 1296US5796595AInterleaved continuous flyback power converter systemASTEC INT LTD·Filed 1997·Granted Aug 18, 1998·203 cites·32 claims
- 1396US5175525ALow profile transformerASTEC INT LTD·Filed 1991·Granted Dec 29, 1992·125 cites·13 claims
- 1496US5107404ACircuit board assembly for a cellular telephone system or the likeASTEC INT LTD·Filed 1989·Granted Apr 21, 1992·144 cites·14 claims
- 1595US11652424B2Switch-mode power supplies including three-level LLC circuitsASTEC INT LTD·Filed 2022·Granted May 16, 2023·3 cites·20 claims
- 1695US11146176B2Switch-mode power supplies including three-level LLC circuitsASTEC INT LTD·Filed 2020·Granted Oct 12, 2021·5 cites·20 claims
- 1795US7596007B2Multiphase DC to DC converterASTEC INT LTD·Filed 2006·Granted Sep 29, 2009·63 cites·23 claims
- 1895US7061212B2Circuit for maintaining hold-up time while reducing bulk capacitor size and improving efficiency in a power supplyASTEC INT LTD·Filed 2004·Granted Jun 13, 2006·117 cites·18 claims
- 1995US6069803AOffset resonance zero volt switching flyback converterASTEC INT LTD·Filed 1999·Granted May 30, 2000·181 cites·38 claims
- 2095US5986895AAdaptive pulse width modulated resonant Class-D converterASTEC INT LTD·Filed 1998·Granted Nov 16, 1999·293 cites·9 claims
- 2195US4887199AStart circuit for generation of pulse width modulated switching pulses for switch mode power suppliesASTEC INT LTD·Filed 1987·Granted Dec 12, 1989·184 cites·10 claims
- 2294US12101032B2Multi-phase voltage converter current balancingASTEC INT LTD·Filed 2022·Granted Sep 24, 2024·2 cites·20 claims
- 2394US10224828B1DC-DC power converters and methods of operating DC-DC power convertersASTEC INT LTD·Filed 2018·Granted Mar 5, 2019·27 cites·23 claims
- 2494US9787175B2High voltage power converter with a configurable inputASTEC INT LTD·Filed 2014·Granted Oct 10, 2017·17 cites·22 claims
- 2594US6373707B1Module mounting slide clamp mechanismASTEC INT LTD·Filed 2000·Granted Apr 16, 2002·121 cites·20 claims
- 2694US5615097ATransient over voltage protection circuit for electrical power convertersASTEC INT LTD·Filed 1994·Granted Mar 25, 1997·117 cites·18 claims
- 2794US5430633AMulti-resonant clamped flyback converterASTEC INT LTD·Filed 1993·Granted Jul 4, 1995·136 cites·17 claims
- 2894US5381327AElectrical power inverterASTEC INT LTD·Filed 1993·Granted Jan 10, 1995·209 cites·15 claims
- 2993US7385833B2Snubber circuit for a power converterASTEC INT LTD·Filed 2005·Granted Jun 10, 2008·252 cites·5 claims
- 3093US6614288B1Adaptive drive circuit for zero-voltage and low-voltage switchesASTEC INT LTD·Filed 2000·Granted Sep 2, 2003·57 cites·27 claims
- 3193US6301133B1Power supply system with ORing element and control circuitASTEC INT LTD·Filed 1999·Granted Oct 9, 2001·213 cites·36 claims
- 3293US5428286ASwitching mode power suppliesASTEC INT LTD·Filed 1994·Granted Jun 27, 1995·142 cites·11 claims
- 3392US11196345B1Interpolation control for balancing currents in interleaved power convertersASTEC INT LTD·Filed 2020·Granted Dec 7, 2021·4 cites·20 claims
- 3492US5570278AClamped continuous flyback power converterASTEC INT LTD·Filed 1994·Granted Oct 29, 1996·123 cites·30 claims
- 3592US5085526ACompact programmable temperature detector apparatusASTEC INT LTD·Filed 1990·Granted Feb 4, 1992·111 cites·25 claims
- 3691US11223289B2Regulated switched mode power supplies having adjustable output voltagesASTEC INT LTD·Filed 2020·Granted Jan 11, 2022·4 cites·18 claims
- 3791US9973098B2Fixed frequency discontinuous conduction mode flyback power converters employing zero voltage switchingASTEC INT LTD·Filed 2015·Granted May 15, 2018·9 cites·15 claims
- 3891US9240724B2Multiphase DC/DC converters and control circuits for controlling converters using fixed and/or variable frequenciesASTEC INT LTD·Filed 2013·Granted Jan 19, 2016·10 cites·7 claims
- 3991US7847532B2Centralized controller and power manager for on-board power systemsASTEC INT LTD·Filed 2008·Granted Dec 7, 2010·37 cites·44 claims
- 4091US7548435B2Zero-voltage-switching DC-DC converters with synchronous rectifiersASTEC INT LTD·Filed 2006·Granted Jun 16, 2009·36 cites·38 claims
- 4191US6402546B1Adapter with retractable cable assembly and electrical plug assemblyASTEC INT LTD·Filed 2000·Granted Jun 11, 2002·68 cites·28 claims
- 4291US5045832ADigitally controlled variable resistorASTEC INT LTD·Filed 1989·Granted Sep 3, 1991·70 cites·20 claims
- 4390US11264908B1Multi-phase switched-mode power suppliesASTEC INT LTD·Filed 2020·Granted Mar 1, 2022·5 cites·20 claims
- 4490US7817051B2Power converter with degraded component alarmASTEC INT LTD·Filed 2007·Granted Oct 19, 2010·21 cites·21 claims
- 4590US5410467APower converters with improved switching efficiencyASTEC INT LTD·Filed 1993·Granted Apr 25, 1995·97 cites·27 claims
- 4690US5177431ALinear programming circuit for adjustable output voltage power convertersASTEC INT LTD·Filed 1991·Granted Jan 5, 1993·64 cites·24 claims
- 4790US5006821ARF coupler having non-overlapping off-set coupling linesASTEC INT LTD·Filed 1989·Granted Apr 9, 1991·53 cites·13 claims
- 4890US5003622APrinted circuit transformerASTEC INT LTD·Filed 1989·Granted Mar 26, 1991·76 cites·19 claims
- 4989US11349387B2Power measurements in switched mode power suppliesASTEC INT LTD·Filed 2020·Granted May 31, 2022·3 cites·20 claims
- 5089US11121633B2Low common mode noise transformers and switch-mode DC-DC power convertersASTEC INT LTD·Filed 2019·Granted Sep 14, 2021·2 cites·6 claims
Showing the top 50 of 325 patent records by PatentIndex Score.
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