CarbonCure Technologies

Dartmouth, A5 · Founded 2007 · Clean tech · Private

Technology to inject captured CO₂ into concrete during production to reduce embodied carbon

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Updated Oct 23, 2026 · carboncure.com

Sector: Clean tech
Headquarters: Dartmouth, A5
Founded: 2007
Latest Form D: $1.4M, May 2016
Total capital: $2.2M

Federal grants: None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised: $2.2M; 4 Form D · last May 2016; 125 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 24; 16 pending · first 2016; Rank in peer group#2 of 222

Capital timeline

Latest events

May 2016Private capital raisedForm D · SEC · 4th filing$1.4M
May 2015Private capital raisedForm D · SEC · 3rd filing$375K
Dec 2013Private capital raisedForm D · SEC · 2nd filing$471K
Jan 2012Private capital raisedForm D · SEC · 1st filing$25K

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#2 · top 1%

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

Robert NivenResearcherExecutive Officer, DirectorLinked by 1 patent

What it has protected

USPTO · 24 granted of 40

Jun 11, 2026PendingConcrete AdmixturesUSPTOApplication 19100795
Apr 16, 2026PendingCarbonation Of Concrete ProductsUSPTOApplication 19420406
Jan 13, 2026GrantedMethods And Compositions For Delivery Of Carbon DioxideUSPTOUS 12,521,908

Show all 40 patent records

Concrete AdmixturesJun 11, 2026 · Application 19100795Pending
Carbonation Of Concrete ProductsApr 16, 2026 · Application 19420406Pending
Methods And Compositions For Delivery Of Carbon DioxideJan 13, 2026 · US 12,521,908Granted
Methods And Compositions For Treatment Of Concrete Wash WaterDec 30, 2025 · US 12,508,738Granted
Carbonation Of Concrete AggregatesDec 16, 2025 · US 12,497,329Granted
Carbonation Of Concrete AggregatesSep 23, 2025 · US 12,421,169Granted
Apparatus For Delivery Of Carbon Dioxide To A Concrete Mix In A Mixer And Determining Flow RateSep 18, 2025 · Application 19219847Pending
Methods And Compositions For Concrete ProductionSep 4, 2025 · Application 19209361Pending
Methods And Compositions For Treatment Of Concrete Wash WaterJun 17, 2025 · US 12,330,336Granted
Methods And Compositions For Assessement Of Concrete CarbonationJun 12, 2025 · Application 18935140Pending
Methods And Compositions For Treatment Of Concrete Wash WaterJun 12, 2025 · Application 18972931Pending
Integrated Carbon Dioxide CaptureJun 10, 2025 · US 12,325,669Granted
Methods And Compositions For Concrete ProductionJun 3, 2025 · US 12,319,628Granted
Apparatus For Delivery Of Carbon Dioxide To A Concrete Mix In A Mixer And Determining Flow RateJun 3, 2025 · US 12,319,626Granted
Methods And Compositions For Treatment Of Concrete Wash WaterApr 10, 2025 · Application 18979708Pending
Compositions And Methods Utilizing Alternative Sources Of Carbon Dioxide For SequestrationDec 26, 2024 · Application 18701010Pending
Methods And Compositions For Treatment Of Concrete Wash WaterApr 16, 2024 · US 11,958,212Granted
Methods And Compositions For Concrete ProductionApr 11, 2024 · Application 18239103Pending
Integrated Carbon Dioxide CaptureJan 23, 2024 · US 11,878,948Granted
Carbonation Of Concrete ProductsDec 21, 2023 · Application 18034555Pending
Apparatus For Delivery Of A Predetermined Amount Of Solid And Gaseous Carbon DioxideOct 3, 2023 · US 11,773,031Granted
Methods And Compositions For Concrete ProductionOct 3, 2023 · US 11,773,019Granted
Methods And Compositions For Treatment Of Concrete Wash WaterMay 30, 2023 · US 11,660,779Granted
Methods And Compositions For Delivery Of Carbon DioxideMar 3, 2022 · Application 17413174Pending
Methods And Compositions For Assessement Of Concrete CarbonationJan 13, 2022 · Application 17369911Pending
Methods And Compositions For Concrete ProductionFeb 23, 2021 · US 10,927,042Granted
System And Method Of Applying Carbon Dioxide During The Production Of ConcreteJun 16, 2020 · US 10,683,237Granted
Methods And Compositions For Concrete ProductionMay 28, 2020 · Application 16249012Pending
Carbon Dioxide Treatment Of Concrete Upstream From Product MoldMay 19, 2020 · US 10,654,191Granted
Integrated Carbon Dioxide CaptureFeb 25, 2020 · US 10,570,064Granted
Carbonation Of Cement MixesJul 16, 2019 · US 10,350,787Granted
Methods and Compositions for Concrete ProductionApr 2, 2019 · US 10,246,379Granted
Precarbonation Of Cement MixesMar 14, 2019 · Application 15911573Pending
System And Method Of Applying Carbon Dioxide During The Production Of ConcreteOct 17, 2017 · US 9,790,131Granted
Apparatus For Delivery Of Carbon Dioxide To A Concrete Mix In A Mixer And Determining Flow RateSep 12, 2017 · US 9,758,437Granted
Methods And Compositions For Concrete ProductionAug 22, 2017 · US 9,738,562Granted
Modulation Of Thixotropic Properties Of Cementitious MaterialsFeb 9, 2017 · Application 15304208Pending
Apparatus For Carbonation Of A Cement MixNov 24, 2016 · Application 15228964Pending
Carbon Dioxide Treatment Of Concrete Upstream From Product MoldNov 15, 2016 · US 9,492,945Granted
Methods For Carbonation Of A Cement Mix In A MixerOct 11, 2016 · US 9,463,580Granted

Sistema.bio, Inc.Similar federal contract value in Clean tech · null in contracts
Exergonix, Inc.Similar federal contract value in Clean tech · null in contracts
Heirloom CarbonSimilar federal contract value in Clean tech · null in contracts
OxiCool, IncSimilar federal contract value in Clean tech · null in contracts
Carbon Capture America, Inc.Similar federal contract value in Clean tech · null in contracts
IX Power Clean Water, Inc.Similar 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.