Flux Marine Ltd.
Electric propulsion systems for marine vessels
- Sector
- Energy
- Headquarters
- EAST GREENWICH, RI
- Founded
- 2018
- Latest Form D
- $15.5M, May 2022
- Total capital
- $15.8M
- Federal grants
- $305K
- 2 awards · 2021
- 2.0× sector median 1 award
- Private capital raised
- $15.5M
- 1 Form D · last May 2022
- 53 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 3
- 16 pending · first 2023
- Rank in peer group#29 of 166
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$15.5M
- Federal grantNSF · Phase I · SBIR Phase I: DEEP-MOP - Development of an Electrification Enabling Platform for Maritime Outboard Propulsion$256K
- Federal grantDefense · Phase I · New generation of electric outboard motors$50K
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.
Federal first
15months
from Flux Marine Ltd.’s first federal award to its first private round.
- First federal award · Feb 2021
- Defense · $50K
- First Form D · May 2022
- $15.5M · 1st Form D
- Awards before first raise
- 2 awards
An association in public records, not a cause or a prediction.
Standing among 166 peers
Line = medianEnergy · System
- Granted patents#29 · 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
From SEC Form D filings- Daylin FrantinDirectorNamed in SEC Form D filings
- Benjamin SorkinDirectorNamed in SEC Form D filings
What it has protected
USPTO · 3 granted of 19- PendingDual Strut Power Transmission Housing Structure Of A Marine Propulsion SystemUSPTOApplication 19173468
- GrantedDual Strut Power Transmission Housing Structure Of A Marine Propulsion SystemUSPTOUS 12,296,934
- PendingOnboard High Voltage Battery Charging System Of An Outboard Marine Propulsion SystemUSPTOApplication 18666376
Show all 19 patent records
- Dual Strut Power Transmission Housing Structure Of A Marine Propulsion SystemJul 24, 2025 · Application 19173468Pending
- Dual Strut Power Transmission Housing Structure Of A Marine Propulsion SystemMay 13, 2025 · US 12,296,934Granted
- Onboard High Voltage Battery Charging System Of An Outboard Marine Propulsion SystemSep 12, 2024 · Application 18666376Pending
- Modular Belt Tensioning Mechanism And Powerhead Structure Of A Marine Propulsion SystemAug 22, 2024 · Application 18634264Pending
- Modular, Replaceable Outboard Fairings For Application Specific OptimizationAug 8, 2024 · Application 18634105Pending
- Boat Motor FairingJun 25, 2024 · US D1,032,478Granted
- Dual Strut Power Transmission Housing Structure Of A Marine Propulsion SystemDec 5, 2023 · US 11,834,144Granted
- Onboard High Voltage Battery Charging System Of An Outboard Marine Propulsion SystemApplication 63298518Pending
- Actively Cooled Epicyclic GearingApplication 63298498Pending
- Modular Belt Tensioning Mechanism And Powerhead Structure Of A Marine Propulsion SystemApplication 63256408Pending
- Modular, Replaceable Outboard Fairings For Application Specific OptimizationApplication 63256404Pending
- Dual Strut Power Transmission Housing Structure Of A Marine Propulsion SystemApplication PCTUS2021034904Pending
- Dual Strut Power Transmission Housing Structure Of A Marine Propulsion SystemApplication 63031979Pending
- Onboard High Voltage Battery Charging System Of An Outboard Marine Propulsion SystemApplication PCTUS2023010586Pending
- Modular Belt Tensioning Mechanism And Powerhead Structure Of A Marine Propulsion SystemApplication PCTUS2022046735Pending
- Modular, Replaceable Outboard Fairings For Application Specific OptimizationApplication PCTUS2022046751Pending
- Automatic Power Transmission Belt Tensioning System Of A Marine Propulsion SystemApplication 63298511Pending
- Feedback Control, Variable Path Coolant Flow For Component Optimized Heat DissipationApplication 63298504Pending
- Integrated Motor-gearbox With Reduced Gear RatioApplication 63298521Pending
Related companies, and why
- H NU SOLAR LLCSimilar federal contract value in Energy · null in contracts
- Solaria CorpSimilar federal contract value in Energy · null in contracts
- Arkansas Power Electronics International, Inc.Similar federal contract value in Energy · null in contracts
- Garrett Motion Inc.Similar federal contract value in Energy · null in contracts
- Lithium Werks Group B.V.Similar federal contract value in Energy · null in contracts
- LITTORAL POWER SYSTEMS, INC.Similar federal contract value in Energy · null in contracts
Regulatory activity · Energy
- 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
- List 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
- Epyrifenacil; Pesticide TolerancesEnvironmental Protection Agency
- Fluoxapiprolin; 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 .