LIMELIGHT STEEL INC.
Laser furnace using blue laser diodes to thermally decompose iron oxide and produce molten iron from low-grade ore
- Sector
- Materials
- Total capital
- $3.2M
- Federal grants
- $3.2M
- 2 awards · 2024
- Rank in peer group#11 of 17
- Private capital raised
- None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 2
- 6 pending · first 2024
- Rank in peer group#5 of 17
Capital timeline
Latest events
- Federal grantEnergy · Phase II · Revolutionizing Ore To Steel To Impact Emissions (rosie) Sbir/sttr To Obtain A Copy Of The Funding Opportunity Announcement (foa) Please Go To The Arpa-e Website At Https://arpa-e-foa.energy.gov. To Apply To This Foa, Applicants Must Register With And Submit Application Materials Through Arpa-e Exchange (https://arpa-e-foa.energy.gov/registration.aspx). For Detailed Guidance On Using Arpa-e Exchange, Please Refer To The Arpa-e Exchange User Guide (https://arpa-e-foa.energy.gov/manuals.aspx). $2.9M
- Federal grantNSF · Phase I · SBIR Phase I: Laser furnace to thermally decompose iron oxides for cost-competitive green iron production$275K
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 17 peers
Line = medianMaterials · Device
- Federal grantsBelow median
- Granted patents#5 · top 29%
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
No founders are linked to this company yet.
Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.
Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026
Claim this profile to add your teamWhat it has protected
USPTO · 2 granted of 8- PendingHigh-efficiency Photonic Furnaces For Metal ProductionUSPTOApplication 19291258
- PendingHigh-efficiency Photonic Furnaces For Metal ProductionUSPTOApplication 19107475
- GrantedHigh-efficiency Photonic Furnaces For Metal ProductionUSPTOUS 12,398,954
Show all 8 patent records
- High-efficiency Photonic Furnaces For Metal ProductionApr 23, 2026 · Application 19291258Pending
- High-efficiency Photonic Furnaces For Metal ProductionMar 19, 2026 · Application 19107475Pending
- High-efficiency Photonic Furnaces For Metal ProductionAug 26, 2025 · US 12,398,954Granted
- High-efficiency Photonic Furnaces For Metal ProductionFeb 13, 2024 · US 11,898,798Granted
- Directed Laser Energy To Reduce Metal OxidesFeb 8, 2024 · Application 18548538Pending
- High-efficiency Photonic Furnaces For Metal ProductionApplication 63487811Pending
- High-efficiency Photonic Furnaces For Metal ProductionApplication PCTUS2023031778Pending
- High-efficiency Photonic Furnaces For Metal ProductionApplication 63374330Pending
Related companies, and why
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- Grow Plastics LLCSimilar federal contract value in Materials · null in contracts
- MEMBRANE TECHNOLOGY & RESEARCH, INC.Similar federal contract value in Materials · null in contracts
- KELLOGG'S RESEARCH LABS LLCSimilar federal contract value in Materials · null in contracts
- KENT DISPLAYS INCSimilar federal contract value in Materials · null in contracts
Regulatory activity · Materials
- Eliminating Regulations Establishing Fellowships in Laboratory Standardization and Testing for Foreign CitizensNational Institute of Standards and Technology
- Eliminating Obsolete Marking Requirements for Toy, Look-Alike, and Imitation FirearmsNational Institute of Standards and Technology
- Eliminating Obsolete Regulations Related to the Advanced Technology Program and the Technology Innovation ProgramNational Institute of Standards and Technology
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 .