GRAINFLOW DYNAMICS, INC.
Gravity-independent mechanical systems for regolith size separation, conveying, and delivery in lunar/extraterrestrial environments
- Sector
- Aerospace
- Headquarters
- Livermore, CA
- Total capital
- $122K
- Federal grants
- $122K
- 1 award · 2019
- Rank in peer group#29 of 181
- 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
- 0
- 2 pending
Capital timeline
Latest events
- Federal grantNASA · Phase I · Size-Sorted Regolith Streams for ISRU$122K
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 181 peers
Line = medianAerospace · Orbital_ops · System
- Federal grants#29 · top 16%
- Linked publications#1 · 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
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 · 0 granted of 2- PendingSystem And Method For Size Separating ConveyorUSPTOApplication 16866313
- PendingSystem And Method For Size Separating ConveyorUSPTOApplication 62828666
Recent research by its founders
- Insights in cratering phenomenology provided by discrete element modeling20266 cites
- Simplified tangential force-displacement models for a discrete element particle flow code20260 cites
- Challenges and Opportunities20250 cites
Related companies, and why
- OMNISPACE LLCSimilar federal contract value in Aerospace · null in contracts
- Scion Helicopters, LLCSimilar federal contract value in Aerospace · null in contracts
- NEAR SPACE LABS INCSimilar federal contract value in Aerospace · null in contracts
- MOUNTAIN AEROSPACE RESEARCH SOLUTIONS, INC.Similar federal contract value in Aerospace · null in contracts
- VOLATUS AEROSPACE CORP./CASimilar federal contract value in Aerospace · null in contracts
- AVA Propulsion, Inc.Similar federal contract value in Aerospace · null in contracts
Regulatory activity · Aerospace
- Nondiscrimination in Federally Assisted Programs of NASA-Effectuation of Title VI of the Civil Rights Act of 1964National Aeronautics and Space Administration
- Special Conditions: AMAC Aerospace, The Boeing Company Model 747- 8 Airplane; Side-Facing SeatsFederal Aviation Administration
- Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous AmendmentsFederal Aviation Administration
- Operating Limitations at John F. Kennedy International AirportFederal Aviation Administration
- Operating Limitations at New York LaGuardia AirportFederal Aviation Administration
- Special Conditions: Honeywell Aerospace US LLC, Dassault Aviation Model Falcon 900EX Airplane; Electronic System Security Protection From Unauthorized External AccessFederal Aviation Administration
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 .