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Digital Solid State Propulsion, Inc

Reno, NV · Energy · Private

Smart Hot Water Controller (HWC) — a solid-state DC-to-AC converter that connects photovoltaic arrays directly to electric water heaters, using pulse-width modulation to optimize thermal storage and r

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Updated · dssptech.com

Sector
Energy
Headquarters
Reno, NV
Total capital
$2.5M
Federal grants
$2.4M
7 awards · 2015–2020
Rank in peer group#36 of 39
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$80K
1 award · NASA
Rank in Energy#195 of 998
Granted patents
1
10 pending · first 2018
Rank in peer group#16 of 39

Capital timeline

20132014201520162017201820192020FEDERAL ↑EQUITY ↓Cumulative $2.5M$80K$750K$125K$100K$739K$582K
2013201520172019FEDERAL ↑EQUITY ↓Cumulative $2.5M$750K$125K$739K$582K

Latest events

  • Federal grantDefense · Phase I · A Smart Controller for Managing Water Heaters as Thermal Storage Batteries$49K
  • Federal grantDefense · Phase II · Non-Pyrotechnic Battlefield Effects Replication Using eSquibs$582K
  • Federal grantDefense · Phase II · Micro Reactor Synthesis of Energetic Ionic Liquids$739K
  • Federal grantDefense · Phase I · Non-Pyro Electric Small Arms Fire Simulator$100K
  • Federal grantDefense · Phase I · Electrochemically Assisted Safe Liquid Ionic Propellant$80K
  • Federal grantNASA · Phase I · Green Electric Monopropellant (GEM) Fueled Pulsed Plasma Thruster$125K
  • Federal grantNASA · Phase II · A Green, Safe, Multi-Pulse Solid Motor (MPM) for CubeSats$750K
Show 1 earlier federal award
  • Federal contractNASA · Igf::ot::igf New Award Phase III SBIR With Digital Solid State Propulsion Corporation For Electrically Controlled Extinguishable Solid Propellant. Objectives--nasa Seeks The Development Of An Electrically-controlled, Electrically-ignited, Electrically-throttleable, And Electrically Extinguishable Solid Rocket Motor. The Objective Of This Project Is To Demonstrate Ignition, Throttling And Extinguishment In A Solid Rocket Motor With A Diameter Greater Than One Inch. Secondly, NASA Plans To Test Th$80K

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 39 peers

Line = median

Energy · Device

  • Federal grantsBelow median
  • Granted patents#16 · top 41%
  • Linked publications#8 · top 21%

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 · 1 granted of 11
  • PendingUse Of Liquid And Gel Monopropellants For Well StimulationUSPTOApplication 15872708
  • GrantedSolid Electrically Controlled PropellantsUSPTOUS 9,914,671
  • PendingElectrically Ignited And Throttled Pyroelectric Propellant Rocket EngineUSPTOApplication 14473708
Show all 11 patent records
  • Use Of Liquid And Gel Monopropellants For Well StimulationJul 19, 2018 · Application 15872708Pending
  • Solid Electrically Controlled PropellantsMar 13, 2018 · US 9,914,671Granted
  • Electrically Ignited And Throttled Pyroelectric Propellant Rocket EngineMar 5, 2015 · Application 14473708Pending
  • Electrode Ignition And Control Of Electrically Ignitable MaterialsFeb 19, 2015 · Application 14299889Pending
  • Electrically Ignited And Throttled Pyroelectric Propellant Rocket EngineApplication PCTUS2014053528Pending
  • Liquid Electrically Initiated And Controlled Gas Generator CompositionApplication PCTUS2013066705Pending
  • Use Of Liquid And Gel Monopropellants For Well StimulationApplication PCTUS2018013881Pending
  • Electrically Ignited And Throttled Pyroelectric Propellant Rocket EngineApplication 61871767Pending
  • Use Of Liquid And Gel Monopropellants For Well StimulationApplication 62447294Pending
  • Liquid Fueled Pulsed Plasma ThrusterApplication PCTUS2016031006Pending
  • Liquid Fueled Pulsed Plasma ThrusterApplication 62157352Pending

Recent research by its founders

  • Chemical Propulsion for Outer Planet Exploration20191 cites
  • Mission Design and Trade Study Considerations for Reactionless Thrusters20172 cites
  • 沿岸地点からの地上GNSSマルチパス反射率測定実験的証拠の対流圏遅延【Powered by NICT】20170 cites

Related companies, and why

  • Sion Power CorpSimilar federal contract value in Energy · $95K in contracts
  • Yan Engines LLCSimilar federal contract value in Energy · $86K in contracts
  • AmpX Technologies, Inc.Similar federal contract value in Energy · $82K in contracts
  • GLOBAL ENERGY CORPORATIONSimilar federal contract value in Energy · $69K in contracts
  • SOLAR DYNAMICS LLCSimilar federal contract value in Energy · $67K in contracts
  • Giner ELX, Inc.Similar federal contract value in Energy · $66K in contracts

Regulatory activity · Energy

Sector-level, not company-level

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 .