Assignee
SPARQ SYSTEMS INC
CA·17 granted patents·2 pending applications·29 citations·filing 2013–2025
Top patents by PatentIndex Score
19 records- 0189US9692320B2Adaptive control method for grid-connected inverters used with distributed power generationSPARQ SYSTEMS INC·Filed 2015·Granted Jun 27, 2017·10 cites·12 claims
- 0281US9680364B2Distributed power generation interfaceSPARQ SYSTEMS INC·Filed 2014·Granted Jun 13, 2017·7 cites·23 claims
- 0380US2025233529A1Differential geometry based dc/ac invertersSPARQ SYSTEMS INC·Filed 2025·Application pending·0 cites
- 0479US9641099B2DC-AC inverter with soft switchingSPARQ SYSTEMS INC·Filed 2014·Granted May 2, 2017·6 cites·16 claims
- 0573US12289064B2Differential geometry based DC/AC invertersSPARQ SYSTEMS INC·Filed 2022·Granted Apr 29, 2025·0 cites·7 claims
- 0671US9705331B2Single phase power system controller and method thereforSPARQ SYSTEMS INC·Filed 2014·Granted Jul 11, 2017·3 cites·20 claims
- 0770US11621666B2Hybrid solar/motor drive inverterSPARQ SYSTEMS INC·Filed 2020·Granted Apr 4, 2023·1 cites·19 claims
- 0867US12166431B2Inverters with integrated energy storage subsystemsSPARQ SYSTEMS INC·Filed 2022·Granted Dec 10, 2024·0 cites·17 claims
- 0966US12237688B2Integrating energy storage units in converters for use in PV-based invertersSPARQ SYSTEMS INC·Filed 2022·Granted Feb 25, 2025·0 cites·28 claims
- 1066US11984727B2Multi-level current driven DC/DC converterSPARQ SYSTEMS INC·Filed 2022·Granted May 14, 2024·0 cites·13 claims
- 1161US12506338B2Systems and methods for controlling a DC/AC inverter for use with an electric motor or an AC gridSPARQ SYSTEMS INC·Filed 2024·Granted Dec 23, 2025·0 cites·9 claims
- 1261US12009733B2High voltage DC/DC converter with current shapingSPARQ SYSTEMS INC·Filed 2022·Granted Jun 11, 2024·0 cites·10 claims
- 1361US11863011B2Multiple input PV inverter apparatus with energy storage capabilitySPARQ SYSTEMS INC·Filed 2022·Granted Jan 2, 2024·0 cites·10 claims
- 1461US9698665B2Digital controller for a power converterSPARQ SYSTEMS INC·Filed 2013·Granted Jul 4, 2017·2 cites·22 claims
- 1558US11777336B2PV inverter apparatus with energy storage capabilitySPARQ SYSTEMS INC·Filed 2022·Granted Oct 3, 2023·0 cites·12 claims
- 1655US12184074B2DC/DC converter using a differential geometric controllerSPARQ SYSTEMS INC·Filed 2022·Granted Dec 31, 2024·0 cites·11 claims
- 1753US2026018898A1Pv micro-inverters with robust off-grid operationSPARQ SYSTEMS INC·Filed 2024·Application pending·0 cites
- 1847US9553500B2Inverter for a distributed power generatorSPARQ SYSTEMS INC·Filed 2014·Granted Jan 24, 2017·0 cites·24 claims
- 1940US10951039B2Multi-input PV inverter system and methodSPARQ SYSTEMS INC·Filed 2019·Granted Mar 16, 2021·0 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →