PRINCETON SATELLITE SYSTEMS INC
Closed-loop Brayton cycle heat engine power system for small satellites using fuel combustion to drive a permanent magnet generator with integrated power electronics
- Sector
- Aerospace
- Headquarters
- Plainsboro, NJ
- Total capital
- $1.8M
- Federal grants
- $1.8M
- 5 awards · 2015–2022
- Rank in peer group#12 of 38
- 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
- 8 pending · first 2019
- Rank in peer group#5 of 38
Capital timeline
Latest events
- Federal grantDefense · Phase I · Brayton Cycle Heat Engine for Satellite Power$248K
- Federal grantNASA · Phase I · Neural Space Navigator$125K
- Federal grantNASA · Phase II · Superconducting Coils for Small Nuclear Fusion Rocket Engines$750K
- Federal grantNASA · Phase I · High Efficiency RF Heating for Small Nuclear Fusion Rocket Engines$125K
- Federal grantDefense · Phase II · Microsatellite Control System for Exceptional Positional Accuracy$574K
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 38 peers
Line = medianAerospace · Satellite · System
- Federal grants#12 · top 32%
- Granted patents#5 · top 13%
- Linked publications#1 · top 3%
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 · 5 granted of 13- PendingMobile Robotic Arm For Momentum Unloading And Orbit ControlUSPTOApplication 19421878
- GrantedMobile Robotic Arm For Momentum Unloading And Orbit ControlUSPTOUS 12,600,501
- PendingAnterior Cruciate Ligament ProtectorUSPTOApplication 19092886
Show all 13 patent records
- Mobile Robotic Arm For Momentum Unloading And Orbit ControlApr 16, 2026 · Application 19421878Pending
- Mobile Robotic Arm For Momentum Unloading And Orbit ControlApr 14, 2026 · US 12,600,501Granted
- Anterior Cruciate Ligament ProtectorOct 2, 2025 · Application 19092886Pending
- Multi-sensor Target Tracking Using Multiple Hypothesis TestingNov 12, 2020 · Application 16812450Pending
- In Space Startup Method For Nuclear Fusion Rocket EnginesOct 20, 2020 · US 10,811,143Granted
- Magnetic Dipole CancellationAug 25, 2020 · US 10,752,385Granted
- Multi-sensor Target Tracking Using Multiple Hypothesis TestingMar 10, 2020 · US 10,585,163Granted
- Multi-sensor Target Tracking Using Multiple Hypothesis TestingMar 26, 2019 · US 10,241,191Granted
- Electric Vehicle High Power Multi-port Priority-based ChargerSep 6, 2018 · Application 15910755Pending
- Acl ProtectorApplication 63570472Pending
- Multi-sensor Target Tracking Using Multiple Hypothesis TestingApplication 62041454Pending
- A Method And System For Advertising And Selling Product To Consumers In A Telephone Hold QueueApplication PCTUS2002016077Pending
- A Method And System For Space Travel Using AlotteryApplication PCTUS2002016079Pending
Recent research by its founders
- Correction: Wargaming Space Rapid Transit as a Dual-Use Horizontal Two Stage to Orbit Launch Vehicle20250 cites
- Gaps in the Care Delivery Process of Moderate to Severe Traumatic Brain Injury Rehabilitation20250 cites
- Multi-Sensor Target Tracking using Track-Oriented Multiple Hypothesis Testing and Deep Learning20250 cites
Related companies, and why
- MILLENNIUM ENGINEERING AND INTEGRATION CO.Similar federal contract value in Aerospace · null in contracts
- World ViewSimilar federal contract value in Aerospace · null in contracts
- Fairway Import-Export, Inc.Similar federal contract value in Aerospace · null in contracts
- JETOPTERA INCSimilar federal contract value in Aerospace · null in contracts
- S. D. MILLER AND ASSOCIATES P.L.L.C.Similar federal contract value in Aerospace · null in contracts
- ROGUE APPROACH INCORPORATEDSimilar 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 .