Capture6 Corp

BERKELEY, CA · Founded 2021 · Clean tech · Private

Integrated system that desalts saltwater and removes atmospheric CO₂ simultaneously

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Updated Oct 23, 2026 · capture6.com

Sector: Clean tech
Headquarters: BERKELEY, CA
Founded: 2021
Latest Form D: $6.3M, Jan 2023
Total capital: $6.3M

Federal grants: None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised: $6.3M; 1 Form D · last Jan 2023; 45 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 1; 11 pending · first 2024; Rank in peer group#46 of 222

Capital timeline

Latest events

Jan 2023Private capital raisedForm D · SEC · 1st filing$6.3M

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 222 peers

Line = median

Clean tech · System

Granted patents#46 · top 21%

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

Researcher links verified by same-company patents and grants

Ethan Cohen-ColeResearcherExecutive Officer, DirectorLinked by 1 patent
Hyoungkun ParkDirectorNamed in SEC Form D filings
Luke ShorsExecutive Officer, DirectorNamed in SEC Form D filings
Paula GoldmanDirectorNamed in SEC Form D filings
Zeph LandauDirectorNamed in SEC Form D filings

What it has protected

USPTO · 1 granted of 12

Oct 23, 2025PendingDevices, Systems, And Methods For Capturing And Producing Carbon DioxideUSPTOApplication 19185072
Apr 17, 2025PendingSystems And Methods For Sequestering Alkaline Carbonates With Captured CO2USPTOApplication 18919246
Jul 18, 2024PendingSystems And Methods For Direct Air Carbon Dioxide CaptureUSPTOApplication 18509020

Show all 12 patent records

Devices, Systems, And Methods For Capturing And Producing Carbon DioxideOct 23, 2025 · Application 19185072Pending
Systems And Methods For Sequestering Alkaline Carbonates With Captured CO2Apr 17, 2025 · Application 18919246Pending
Systems And Methods For Direct Air Carbon Dioxide CaptureJul 18, 2024 · Application 18509020Pending
Systems And Methods For Direct Air Carbon Dioxide CaptureJul 9, 2024 · US 12,030,016Granted
Systems And Methods For Integrated Direct Air Carbon Dioxide Capture And Desalination Mineral RecoveryApr 18, 2024 · Application 18480779Pending
Systems And Methods For Integrated Direct Air Carbon Dioxide Capture And Desalination Mineral RecoveryApplication PCTUS2023075930Pending
Systems And Methods For Direct Air Carbon Dioxide CaptureApplication PCTUS2022053177Pending
Systems And Methods For Carbon Dioxide Capture And Chemical SynthesisApplication 63636542Pending
Devices, Systems, And Methods For Capturing And Producing Carbon DioxideApplication PCTUS2025025647Pending
Systems And Methods For Sequestering Alkaline Carbonates With Captured CO2Application PCTUS2024051848Pending
Apparatus, Systems, And Methods For Enhanced Capture Of Carbon Dioxide From Ambient Air Using Liquid SolventApplication PCTUS2024032288Pending
Apparatus, Systems, And Methods For Enhanced Capture Of Carbon Dioxide From Ambient Air Using Liquid SolventApplication 19489190Pending

CARBON2FUELS, LLCSimilar federal contract value in Clean tech · null in contracts
Joshua Water Technology, Inc.Similar federal contract value in Clean tech · null in contracts
Molekule Group, Inc./DESimilar federal contract value in Clean tech · null in contracts
EMPRISE CONCEPTS LLCSimilar federal contract value in Clean tech · null in contracts
Calcarea, Inc.Similar federal contract value in Clean tech · null in contracts
Ecotone Renewables PBCSimilar federal contract value in Clean tech · null in contracts

Regulatory activity · Clean tech

Sector-level, not company-level

09 Jul 2026Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
02 Jul 2026Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Chlormequat Chloride; Pesticide TolerancesEnvironmental Protection Agency

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.