Inventor · disambiguated record
Nathaniel Ian Joos
Also filed as: JOOS NATHANIEL I · JOOS NATHANIEL IAN
33 granted patents·26 pending applications·79 citations·filing 2002–2024
95Inventor score
Top patents by PatentIndex Score
59 records- 0195US11757119B1Systems and methods for hydrogen supply valve leak detectionHYDROGENICS CORP·Filed 2023·Granted Sep 12, 2023·3 cites·20 claims
- 0293US11761103B2Electrolyser and energy systemHYDROGENICS CORP·Filed 2021·Granted Sep 19, 2023·2 cites·19 claims
- 0390US11479866B2High or differential pressure electrolysis cellHYDROGENICS CORP·Filed 2020·Granted Oct 25, 2022·3 cites·20 claims
- 0489US10590545B2High or differential pressure electrolysis cellHYDROGENICS CORP·Filed 2016·Granted Mar 17, 2020·4 cites·4 claims
- 0584US10164278B2Nitrogen enriched air generation and fuel tank inerting systemHYDROGENICS CORP·Filed 2014·Granted Dec 25, 2018·2 cites·14 claims
- 0683US12272847B2System and method for controlling voltage of fuel cellHYDROGENICS CORP·Filed 2022·Granted Apr 8, 2025·0 cites·19 claims
- 0783US7425379B2Passive electrode blanketing in a fuel cellHYDROGENICS CORP·Filed 2004·Granted Sep 16, 2008·23 cites·31 claims
- 0882US6878477B2Fuel cell flow field plateHYDROGENICS CORP·Filed 2002·Granted Apr 12, 2005·21 cites·28 claims
- 0980US12365999B2Electrolyser and energy systemHYDROGENICS CORP·Filed 2023·Granted Jul 22, 2025·0 cites·20 claims
- 1079US11804611B2Fuel cell start up methodHYDROGENICS CORP·Filed 2021·Granted Oct 31, 2023·0 cites·20 claims
- 1179US11767598B2High or differential pressure electrolysis cellHYDROGENICS CORP·Filed 2022·Granted Sep 26, 2023·0 cites·20 claims
- 1279US2024383467A1Methods and systems for managing and controlling emissions in a hybrid systemCUMMINS INC·Filed 2024·Application pending·0 cites
- 1375US11495807B2Fuel cell start up methodHYDROGENICS CORP·Filed 2020·Granted Nov 8, 2022·0 cites·20 claims
- 1475US11456470B2System and method for controlling voltage of fuel cellHYDROGENICS CORP·Filed 2020·Granted Sep 27, 2022·0 cites·20 claims
- 1575US11411232B2Closed anode fuel cell startup methodHYDROGENICS CORP·Filed 2020·Granted Aug 9, 2022·0 cites·20 claims
- 1675US11268201B2Electrolyser and energy systemHYDROGENICS CORP·Filed 2019·Granted Mar 8, 2022·1 cites·21 claims
- 1775US11101477B2Fuel cell start up methodHYDROGENICS CORP·Filed 2019·Granted Aug 24, 2021·0 cites·14 claims
- 1873US7432008B2Gas diffusion layer for an electrochemical cellHYDROGENICS CORP·Filed 2003·Granted Oct 7, 2008·12 cites·10 claims
- 1973US2025112251A1Systems and methods for reducing damage on a metal plate stackHYDROGENICS CORP·Filed 2024·Application pending·0 cites
- 2072US12500251B2Systems and methods for liquid heating balance of plant components of a fuel cell moduleHYDROGENICS CORP·Filed 2022·Granted Dec 16, 2025·0 cites·20 claims
- 2172US9580825B2Electrolyzer cell stack systemHYDROGENICS CORP·Filed 2013·Granted Feb 28, 2017·1 cites·23 claims
- 2272US2025023083A1Systems and methods for mechanical strengthening and alignment of fuel cell stack assembliesHYDROGENICS CORP·Filed 2024·Application pending·0 cites
- 2371US10435800B2Electrolyser and energy systemHYDROGENICS CORP·Filed 2013·Granted Oct 8, 2019·2 cites·12 claims
- 2471US10396332B2Bus bar assembly for an electrochemical cell stackHYDROGENICS CORP·Filed 2015·Granted Aug 27, 2019·1 cites·17 claims
- 2569US11362349B2Closed anode fuel cell startup methodHYDROGENICS CORP·Filed 2017·Granted Jun 14, 2022·0 cites·15 claims
- 2669US10930950B2Closed anode fuel cell startup methodHYDROGENICS CORP·Filed 2017·Granted Feb 23, 2021·0 cites·13 claims
- 2769US10847813B2Flow fields for electrochemical cellHYDROGENICS CORP·Filed 2018·Granted Nov 24, 2020·0 cites·16 claims
- 2869US2025183332A1Fuel cell stack current collectorHYDROGENICS CORP·Filed 2024·Application pending·0 cites
- 2966US12065128B2Methods and systems for managing and controlling emissions in a hybrid systemCUMMINS INC·Filed 2022·Granted Aug 20, 2024·0 cites·20 claims
- 3066US10985392B2System and method for controlling voltage of fuel cellHYDROGENICS CORP·Filed 2014·Granted Apr 20, 2021·0 cites·6 claims
- 3165US12410818B2Hydrogen recirculation pump heating and sealing assemblies and methodsCUMMINS INC·Filed 2023·Granted Sep 9, 2025·0 cites·20 claims
- 3265US2025354281A1Control systems and methods for monitoring electrolyzer cell stack conditions and extending operational lifeCUMMINS INC·Filed 2023·Application pending·0 cites
- 3364US10741859B2Fuel cell start up methodHYDROGENICS CORP·Filed 2013·Granted Aug 11, 2020·0 cites·7 claims
- 3464US10214821B2Electrolyser and energy systemHYDROGENICS CORP·Filed 2013·Granted Feb 26, 2019·1 cites·15 claims
- 3561US10193164B2Flow fields for electrochemical cellHYDROGENICS CORP·Filed 2016·Granted Jan 29, 2019·0 cites·9 claims
- 3660US2023216067A1Bipolar plate reactant channels with local variations to increase diffusion through a gas diffusion layerHYDROGENICS CORP·Filed 2022·Application pending·0 cites
- 3760US2024170691A1Bipolar plates with flow channels for direct diffusion layer reactant injectionHYDROGENICS CORP·Filed 2023·Application pending·0 cites
- 3860US2024006628A1Unit cell architecture for water management in a fuel cellCUMMINS INC·Filed 2023·Application pending·0 cites
- 3956US8419910B2Electrolyzer cell stack systemRUSTA-SALLEHY ALI·Filed 2008·Granted Apr 16, 2013·0 cites·22 claims
- 4055US2007166598A1Passive electrode blanketing in a fuel cellHYDROGENICS CORP·Filed 2007·Application pending·0 cites
- 4152US7569303B2Membrane electrode assembly with modified catalyst layoutHYDROGENICS CORP·Filed 2004·Granted Aug 4, 2009·3 cites·16 claims
- 4252US2023402634A1Dynamic control of parallel connected fuel cell systemsHYDROGENICS CORP·Filed 2023·Application pending·0 cites
- 4351US2022344683A1Fuel cell power module and air handling system to enable robust exhaust energy extraction for high altitude operationsCUMMINS INC·Filed 2020·Application pending·0 cites
- 4450US2005115825A1Electrolyzer cell arrangementFiled 2004·Application pending·0 cites
- 4549US2005064272A1Fuel cell flow field plateHYDROGENICS CORP·Filed 2004·Application pending·0 cites
- 4649US2005186458A1Electrolyzer cell stack systemFiled 2004·Application pending·0 cites
- 4748US9005825B2Bus bar assembly for an electrochemical cell stackJOOS NATHANIEL IAN·Filed 2007·Granted Apr 14, 2015·0 cites·15 claims
- 4848US2005074657A1Hydrogen production and water recovery system for a fuel cellHYDROGENICS CORP·Filed 2004·Application pending·0 cites
- 4945US2004131902A1Regenerative power supply system and components thereofHYDROGENICS CORP·Filed 2003·Application pending·0 cites
- 5045US2007154770A1End plate for an electrochemical cell stackFRANK DAVID·Filed 2004·Application pending·0 cites
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →