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Electric Hydrogen

NATICK, MA · Founded 2020 · Clean tech · Private

Green hydrogen electrolyzers using novel electrochemistry for low-cost hydrogen production

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Updated · eh2.com

Sector
Clean tech
Headquarters
NATICK, MA
Founded
2020
Latest Form D
$750K, Oct 2023
Total capital
$545M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$545M
4 Form D · last Oct 2023
36 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
13
27 pending · first 2024
Rank in peer group#6 of 90

Capital timeline

2023FEDERAL ↑EQUITY ↓Cumulative $545M1st Form D$381M
2023FEDERAL ↑EQUITY ↓Cumulative $545M1st Form D$381M

Latest events

  • Private capital raisedForm D · SEC · 4th filing$750K
  • Private capital raisedForm D · SEC · 3rd filing$139M
  • Private capital raisedForm D · SEC · 2nd filing$23.9M
  • Private capital raisedForm D · SEC · 1st filing$381M

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 90 peers

Line = median

Clean tech · Device

  • Granted patents#6 · top 7%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

From SEC Form D filings
  • David DanielsonDirectorNamed in SEC Form D filings
  • David EagleshamExecutive Officer, DirectorNamed in SEC Form D filings
  • Derek WarnickExecutive OfficerNamed in SEC Form D filings
  • Dipender SalujaDirectorNamed in SEC Form D filings
  • Gabriel KraDirectorNamed in SEC Form D filings
  • Margaret DeaneExecutive OfficerNamed in SEC Form D filings
Show all 11 people
  • Mark HutchinsonDirectorNamed in SEC Form D filings
  • Peter GajdosDirectorNamed in SEC Form D filings
  • Raffi GarabedianExecutive Officer, DirectorNamed in SEC Form D filings
  • Rich HossfeldDirectorNamed in SEC Form D filings
  • Shayle KannDirectorNamed in SEC Form D filings

What it has protected

USPTO · 13 granted of 40
Show all 40 patent records
  • Combined Manifolding And Gas-liquid SeparationSep 15, 2026 · US 12,734,469Granted
  • Electrical Impedance SpectroscopyJul 7, 2026 · US 12,674,828Granted
  • Flow Fields For Enhancing Fluid Transport In Electrochemical CellsJun 25, 2026 · Application 19125860Pending
  • Invariable-change-component-based Power ConverterMay 19, 2026 · US 12,633,838Granted
  • Compression Systems For Electrochemical StacksApr 23, 2026 · Application 19156671Pending
  • Methods And Systems For Optimizing Operation Of An Electrochemical SystemApr 23, 2026 · Application 19156811Pending
  • Compression Apparatus For Electrochemical StacksMar 31, 2026 · US 12,592,410Granted
  • Membrane Electrolyzer With Cathode Water Flow In Opposite Direction To Anode Water FlowFeb 12, 2026 · Application 19099298Pending
  • Cross-cell Leak Detection And Sample Conditioning SystemDec 30, 2025 · US 12,512,490Granted
  • Cooling System For An Electrochemical PlantOct 16, 2025 · Application 19083206Pending
  • Methods And Systems For Monitoring Electrochemical Cell Performance And Cleaning Metal Ions From Proton Exchange Membrane Water ElectrolyzersOct 7, 2025 · US 12,435,433Granted
  • Interconnecting Layers Within Electrochemical CellsSep 11, 2025 · Application 18273610Pending
  • Combined Cooling Loop Within Electrochemical PlantAug 28, 2025 · Application 19018949Pending
  • Porous Layers Within Electrochemical Cells Having Directionally Oriented ChannelsAug 21, 2025 · Application 19027529Pending
  • Power Supply System For An Electrochemical StackAug 19, 2025 · US 12,394,982Granted
  • Electrochemical Cell Stacks And Substacks And Methods Of Forming Electrochemical Cell Stacks And SubstacksAug 14, 2025 · Application 18996938Pending
  • Porous Transport Layers Having Coated Catalyst Compositions And Methods Of MakingAug 14, 2025 · Application 18996910Pending
  • Compression Clamps For Electrochemical StacksAug 12, 2025 · US 12,385,150Granted
  • Variable Inverter Based Power ControlAug 5, 2025 · US 12,381,401Granted
  • Methods, Devices, And Systems For Mitigating Hydrogen Crossover Within An Electrochemical CellJul 24, 2025 · Application 18703628Pending
  • Low Impedance Electrical Connections For Electrochemical CellsJul 24, 2025 · Application 18703618Pending
  • Energy Recovery From Electrolysis Compression For Use In Water CirculationApr 10, 2025 · Application 18687168Pending
  • Geometric Shapes For Reduced Manifold Pressure DropMar 25, 2025 · US 12,261,342Granted
  • Mitigation Of Electric Short Circuit In A Polymer Electrolyte Membrane Water ElectrolyzerFeb 11, 2025 · US 12,221,710Granted
  • Operation Of An Electrolytic Cell Or System At Intermediate Oxygen PressureJan 9, 2025 · Application 18687207Pending
  • Multi-layered Membranes For Electrochemical CellsJan 2, 2025 · Application 18703584Pending
  • Defect Detection Via Gas TransferDec 24, 2024 · US 12,172,132Granted
  • Active Electrolyzer Stack CompressionDec 19, 2024 · Application 18700591Pending
  • Electrolyzer ControlDec 17, 2024 · US 12,168,829Granted
  • Diffusion Bonded Porous Transport Layers And Flow Field Plates For Electrochemical CellsDec 5, 2024 · Application 18807496Pending
  • Multilayer Coatings On Porous Transport LayersOct 24, 2024 · Application 18685321Pending
  • Methods, Devices, And Systems For Controlling Compression Of An Electrochemical Cell StackAug 8, 2024 · Application 18685428Pending
  • Durable, Low Loading Oxygen Evolution Reaction Catalysts And Methods Of Forming Such CatalystsJul 25, 2024 · Application 18684028Pending
  • Electrochemical Cell Stacks And Substacks And Methods Of Forming Electrochemical Cell Stacks And SubstacksApplication PCTUS2024043661Pending
  • Flow Plates For Electrochemical Cells And Electrochemical Cells And Electrochemical Stacks Including Such Flow PlatesApplication PCTUS2025019962Pending
  • Asymmetrically Reinforced Membranes For Electrochemical CellsApplication PCTUS2024051900Pending
  • Catalyst Coating Layers Within Electrochemical CellsApplication 63710683Pending
  • Fluid Port With DielectricsApplication PCTUS2025026972Pending
  • Supported Or Reinforced Layers For Electrochemical CellsApplication 19123171Pending
  • Bubble Release Stomata Within Layers Of Electrochemical CellsApplication 19125895Pending

Related companies, and why

  • Sapphire EnergySimilar federal contract value in Clean tech · null in contracts
  • DOTTIR LABS, INCSimilar federal contract value in Clean tech · null in contracts
  • Renmatix, Inc.Similar federal contract value in Clean tech · null in contracts
  • CATALYZEH2O, LLCSimilar federal contract value in Clean tech · null in contracts
  • RUTE FoundationsSimilar federal contract value in Clean tech · null in contracts
  • ALGAEN CORPORATIONSimilar federal contract value in Clean tech · null in contracts

Regulatory activity · Clean tech

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .