CarbonBuilt
Ultra-low-carbon concrete masonry units using upcycled, low-carbon binder as a cement replacement
- Sector
- Clean tech
- Headquarters
- TORRANCE, CA
- Founded
- 2020
- Latest Form D
- $10M, Sep 2021
- Total capital
- $10M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $10M
- 1 Form D · last Sep 2021
- 61 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 3
- 17 pending · first 2024
- Rank in peer group#8 of 50
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$10M
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 50 peers
Line = medianClean tech · Material
- Granted patents#8 · top 16%
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- Gaurav SantResearcherDirectorLinked by 1 patent
- Edward MullerExecutive Officer, DirectorNamed in SEC Form D filings
- Neil RenningerDirectorNamed in SEC Form D filings
- Rahul ShendureExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 3 granted of 20- PendingProcesses For Using Reactive Lime And/or Magnesia-containing Materials In Concrete By Low Temperature And Low-pressure Hydrothermal Densification Processes And Related Compositions And ApparatusUSPTOApplication 19235424
- GrantedIntegration Of Direct Air Capture System Into CO2 Mineralizaton Process Of Concretes And AggregatesUSPTOUS 12,351,527
- GrantedMethods And Systems For Biomass-derived CO2 Sequestration In Concretes And AggregatesUSPTOUS 12,246,993
Show all 20 patent records
- Processes For Using Reactive Lime And/or Magnesia-containing Materials In Concrete By Low Temperature And Low-pressure Hydrothermal Densification Processes And Related Compositions And ApparatusOct 2, 2025 · Application 19235424Pending
- Integration Of Direct Air Capture System Into CO2 Mineralizaton Process Of Concretes And AggregatesJul 8, 2025 · US 12,351,527Granted
- Methods And Systems For Biomass-derived CO2 Sequestration In Concretes And AggregatesMar 11, 2025 · US 12,246,993Granted
- Single-step Low-temperature Calcium Carbonate Production Through Carbon Dioxide Sequestration Of Mineral Materials To Make ConcreteFeb 27, 2025 · Application 18821772Pending
- Process For Production Of Hydraulic-carbonating Binder Systems Through Mechanochemical Activation Of MineralsFeb 20, 2025 · Application 18767515Pending
- Process For Production Of Hydraulic-carbonating Binder Systems Through Mechanochemical Activation Of MineralsDec 3, 2024 · US 12,157,709Granted
- Methods And Compositions For Low-carbon Concrete Production Using Carbon Dioxide And Solid Waste StreamsSep 5, 2024 · Application 18660057Pending
- Single-step Low-temperature Calcium Carbonate Production Through Carbon Dioxide Sequestration Of Mineral Materials To Make ConcreteAug 17, 2023 · Application 18171164Pending
- Methods For Reactivating Passivated Mineral ResiduesApplication PCTUS2022031843Pending
- Process For Production Of Hydraulic-carbonating Binder Systems Through Mechanochemical Activation Of MineralsApplication 63362886Pending
- Methods And Systems For Biomass-derived CO2 Sequestration In Concretes And AggregatesApplication 63312380Pending
- Single-step Low-temperature Calcium Carbonate Production Through Carbon Dioxide Sequestration Of Mineral MaterialsApplication 63268191Pending
- Methods And Compositions For Low-carbon Concrete Production Using Carbon Dioxide And Solid Waste StreamsApplication 63264152Pending
- Process For Production Of Hydraulic-carbonating Binder Systems Through Mechanochemical Activation Of MineralsApplication 18435820Pending
- Processes For Using Reactive Lime And/or Magnesia-containing Materials In Concrete By Low Temperature And Low-pressure Hydrothermal Densification Processes And Related Compositions And ApparatusApplication PCTUS2023085841Pending
- Process For Production Of Hydraulic-carbonating Binder Systems Through Mechanochemical Activation Of MineralsApplication PCTUS2023018395Pending
- Methods And Systems For Biomass-derived CO2 Sequestration In Concrete And AggregatesApplication PCTUS2023013529Pending
- Single-step Low-temperature Calcium Carbonate Production Through Carbon Dioxide Sequestration Of Mineral Materials To Make ConcreteApplication PCTUS2023013350Pending
- Methods For Using Free Lime And/or Magnesia-containing Materials In Concrete By Low Temperature And Low-pressure Hydrothermal Densification ReactionsApplication 63477366Pending
- Methods And Compositions For Low-carbon Concrete Production Using Carbon Dioxide And Solid Waste StreamsApplication PCTUS2022050167Pending
Related companies, and why
- RAVEN SR, INC.Similar federal contract value in Clean tech · null in contracts
- Quilt, LLCSimilar federal contract value in Clean tech · null in contracts
- VERTIMASS, LLCSimilar federal contract value in Clean tech · null in contracts
- Carbon Capture, Inc.Similar federal contract value in Clean tech · null in contracts
- Standard Biocarbon CorpSimilar federal contract value in Clean tech · null in contracts
- CarbonDrop, Inc.Similar federal contract value in Clean tech · null in contracts
Regulatory activity · Clean tech
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Delaware; 2006 24-Hour Fine Particulate Matter Limited Maintenance Plan for the Philadelphia Nonattainment AreaEnvironmental Protection Agency
- Air Plan Approval; Oklahoma; Updates to the State Implementation Plan for New Source Review Permitting and General SIP ProvisionsEnvironmental Protection Agency
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; Pesticide TolerancesEnvironmental Protection Agency
- Chlormequat 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 . SBIR and STTR awards through .