SAGE GEOSYSTEMS INC.
Proprietary geothermal energy system combining HeatRoot hydraulic fracturing technology and helical downhole heat exchanger to extract heat from hot dry rock formations and generate electricity
- Sector
- Energy
- Headquarters
- Bellaire, TX
- Founded
- 2021
- Latest Form D
- $41.2M, Feb 2024
- Total capital
- $45.7M
- Federal grants
- $1.9M
- 2 awards · 2021–2024
- Rank in peer group#4 of 23
- Private capital raised
- $41.2M
- 1 Form D · last Feb 2024
- 32 months since last filing
- Federal contracts
- $2.6M
- 2 awards · Defense
- Rank in Energy#80 of 998
- Granted patents
- 5
- 35 pending · first 2022
- Rank in peer group#6 of 23
Capital timeline
Latest events
- Federal grantDefense · Phase II · Enhanced Geothermal System$1.9M
- Federal contractDefense · Enhanced Geothermal System$1.9M
- Private capital raisedForm D · SEC · 1st filing$41.2M
- Federal contractDefense · Cost-effective Geothermal Systems For Permanent Military Bases F2-14466$735K
- Federal grantDefense · Phase I · Closed Loop, Dry Rock Geothermal System for Permanent Military Bases$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
36months
from SAGE GEOSYSTEMS INC.’s first federal award to its first private round.
- First federal award · Feb 2021
- Defense · $50K
- First Form D · Feb 2024
- $41.2M · 1st Form D
- Awards before first raise
- 2 awards
An association in public records, not a cause or a prediction.
Standing among 23 peers
Line = medianEnergy · System
- Federal grants#4 · top 17%
- Granted patents#6 · top 26%
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
Researcher links verified by same-company patents and grants- Lev RingResearcherExecutive Officer, DirectorLinked by $50K in grants as PI
- Clay ShamblinDirectorNamed in SEC Form D filings
- Cynthia TaffExecutive Officer, DirectorNamed in SEC Form D filings
- James GrantDirectorNamed in SEC Form D filings
- Staffan QvistDirectorNamed in SEC Form D filings
- William RestrepoDirectorNamed in SEC Form D filings
What it has protected
USPTO · 5 granted of 40- PendingMethod Of Creating And Operating A Subterranean Energy Storage FieldUSPTOApplication 18849196
- GrantedGeopressure And Geothermal Power SystemUSPTOUS 12,326,138
- PendingSystem, Method, And Composition For Geothermal Heat HarvestUSPTOApplication 18636507
Show all 40 patent records
- Method Of Creating And Operating A Subterranean Energy Storage FieldJul 24, 2025 · Application 18849196Pending
- Geopressure And Geothermal Power SystemJun 10, 2025 · US 12,326,138Granted
- System, Method, And Composition For Geothermal Heat HarvestDec 26, 2024 · Application 18636507Pending
- Downhole Heat Exchanger For Geothermal Power SystemsNov 28, 2024 · Application 18694323Pending
- Thermally Insulated Tubing for Geothermal Power SystemsOct 24, 2024 · Application 18576573Pending
- Geopressure And Geothermal Power SystemSep 17, 2024 · US 12,092,086Granted
- System, Method, And Composition For Geothermal Heat HarvestApr 23, 2024 · US 11,965,677Granted
- System, Method, and Composition for Geothermal Heat HarvestAug 3, 2023 · Application 18011075Pending
- System, Method, And Composition For Controlling Fracture GrowthApr 18, 2023 · US 11,629,581Granted
- System, Method, And Composition For Controlling Fracture GrowthApr 12, 2022 · US 11,299,970Granted
- Subterranean Energy Storage SystemApplication PCTUS2025011064Pending
- Geopressure And Geothermal Power SystemsApplication 63735180Pending
- Methods And Apparatus For Operating Geopressured Geothermal SystemsApplication 63686549Pending
- Data Center Powered By A Renewable Energy SourceApplication PCTUS2024030794Pending
- Charging Station Powered By A Renewable Energy SourceApplication PCTUS2024030535Pending
- Geothermal And Geopressure Recovery SystemsApplication PCTUS2024027346Pending
- Pressure And Temperature Recovery Systems For Geothermal Power PlantsApplication PCTUS2024025455Pending
- Methods And Systems For Cycling A Geothermal WellApplication PCTUS2024025441Pending
- Pondless Hydromechanical Storage SystemApplication PCTUS2024025493Pending
- Reconfigurable Turbine For Geothermal Energy ProductionApplication PCTUS2024025432Pending
- Geothermal Power Systems And ProcessesApplication PCTUS2024019190Pending
- Subterranean Energy Storage SystemApplication 63620604Pending
- Geothermal Powered Charging StationApplication 63504640Pending
- Geothermal and Geopressure Recovery SystemsApplication 63499883Pending
- Reconfigurable Turbine for Geothermal Energy ProductionApplication 63497674Pending
- Pressure and Temperature Recovery Systems for Geothermal Power PlantsApplication 63497661Pending
- Method and Systems for Cycling a Geothermal WellApplication 63497669Pending
- Pondless Hydromechanical Storage SystemApplication 63497657Pending
- Method Of Creating And Operating A Subterranean Energy Storage FieldApplication PCTUS2023064826Pending
- Enhanced Geothermal Energy SystemApplication 63489297Pending
- Geopressure And Geothermal Power SystemApplication PCTUS2022079392Pending
- Downhole Heat Exchanger For Geothermal Power SystemsApplication PCTUS2022044736Pending
- Thermally Insulated Tubing For Geothermal Power SystemsApplication PCTUS2022036552Pending
- Geopressure And Geothermal Power SystemsApplication PCTUS2025059686Pending
- Geopressure And Geothermal Power SystemApplication 63276638Pending
- Downhole Heat Exchanger For Geothermal Power SystemsApplication 63248965Pending
- Method Of Creating And Operating A Subterranean Energy Storage FieldApplication 63323884Pending
- Charging Station Powered By A Renewable Energy SourceApplication 19483160Pending
- Data Center Powered By A Renewable Energy SourceApplication 19483173Pending
- Geothermal And Geopressure Recovery SystemsApplication 19480328Pending
Related companies, and why
- PRISM SOLAR TECHNOLOGIES INCSimilar federal contract value in Energy · $2.9M in contracts
- SKYHAVEN SYSTEMS, LLCSimilar federal contract value in Energy · $2.8M in contracts
- LITHIUM BATTERY ENGINEERING Limited Liability CompanySimilar federal contract value in Energy · $2.7M in contracts
- PIERSICA, INC.Similar federal contract value in Energy · $2.4M in contracts
- Electrochem, Inc.Similar federal contract value in Energy · $2.3M in contracts
- MALACHITE TECHNOLOGIES INCSimilar federal contract value in Energy · $2.3M 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 .