MILLIKELVIN TECHNOLOGIES, LLC

Marblehead, MA · Founded 2007 · Energy · Still private

Cryotopes system for hyperpolarized isotope separation to produce enriched 15N-labeled ammonia as a precursor for accident-tolerant nuclear fuel

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Updated Oct 23, 2026

Sector: Energy
Headquarters: Marblehead, MA
Founded: 2007
Total capital: $720K

Federal grants: $720K; 3 awards · 2017–2020; Rank in peer group#8 of 18
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: 5; 22 pending · first 2015; Rank in peer group#3 of 18

Capital timeline

Latest events

Sep 2020Federal grantHealth and Human S · Phase I · Driven Feedback Enhanced Magnetic Resonance Spectroscopic Quantification of Non-Radioactive 19 FDG in Tumors$299K
Jul 2019Federal grantEnergy · Phase I · A Novel Method For Producing 15N Enriched NH3 For Manufacture of U15N Accident Tolerant Fuel$200K
Jul 2017Federal grantHealth and Human S · Phase I · Improved Imaging of an MR Molecular Agent Using Driven Feedback Contrast Enhancement$221K

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 18 peers

Line = median

Energy · System

Federal grants#8 · top 44%
Granted patents#3 · top 17%

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

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What it has protected

USPTO · 5 granted of 27

Nov 12, 2020PendingMethods And Systems For Spatially Separating Or Distributing IsotopesUSPTOApplication 16834692
Jun 21, 2018PendingTechniques, Systems And Machine Readable Programs For Magnetic ResonanceUSPTOApplication 15837780
Nov 9, 2017PendingTechniques, Systems And Machine Readable Programs For Magnetic ResonanceUSPTOApplication 15657890

Show all 27 patent records

Methods And Systems For Spatially Separating Or Distributing IsotopesNov 12, 2020 · Application 16834692Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceJun 21, 2018 · Application 15837780Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceNov 9, 2017 · Application 15657890Pending
Systems And Related Methods For Rapidly Moving Materials Into And Out Of A Cryogenic EnvironmentSep 21, 2017 · Application 15612456Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceJul 25, 2017 · US 9,714,995Granted
Sample-preparation Method To Manipulate Nuclear Spin-relaxation Times, Including To Facilitate Ultralow Temperature HyperpolarizationMar 28, 2017 · US 9,606,200Granted
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceMar 23, 2017 · Application 15230739Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceDec 8, 2015 · US 9,207,298Granted
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceNov 3, 2015 · US 9,176,208Granted
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceOct 15, 2015 · Application 14686572Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceApr 21, 2015 · US 9,014,785Granted
Polarization Insert For A Cryogenic RefrigeratorMar 19, 2015 · Application 14486115Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceSep 25, 2014 · Application 14210400Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceSep 18, 2014 · Application 14210341Pending
Systems And Methods For Producing Hyperpolarized Materials And Mixtures ThereofAug 14, 2014 · Application 14257787Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceAug 7, 2014 · Application 14190945Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceSep 26, 2013 · Application 13623759Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceJun 20, 2013 · Application 13763967Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceApplication 61802313Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceApplication 61802315Pending
Techniques, Systems And Machine Readable Programs For Magnetic ResonanceApplication 61802067Pending
Improved Techniques, Systems And Machine Readable Programs For Magnetic ResonanceApplication PCTUS2012030384Pending
Systems And Methods For Producing Hyperpolarized Materials And Mixtures ThereofApplication PCTUS2010047310Pending
Improved Techniques, Systems And Machine Readable Programs For Magnetic ResonanceApplication PCTUS2014026862Pending
Manufacture, Transport And Delivery Of Material Containing Highly Polarized NucleiApplication PCTUS2009039696Pending
Improved Techniques, Systems And Machine Readable Programs For Magnetic ResonanceApplication PCTUS2014028343Pending
Improved Techniques, Systems And Machine Readable Programs For Magnetic ResonanceApplication PCTUS2013049014Pending

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Regulatory activity · Energy

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
01 Jul 2026List of Approved Spent Fuel Storage Casks: NAC International, Inc., MAGNASTOR® Storage System, Certificate of Compliance No. 1031, Amendment Nos. 16 and 17 and Revisions to Amendment Nos. 0 Through 16Nuclear Regulatory Commission
30 Jun 2026Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
30 Jun 2026Fluoxapiprolin; 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.