Sapphire Technologies, Inc.
Gas expansion turboexpander system for energy recovery in natural gas applications
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Updated · sapphiretechnologies.com
- Sector
- Energy
- Headquarters
- Cypress, CA
- Founded
- 2021
- Latest Form D
- $8.9M, Oct 2026
- Total capital
- $46.5M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $46.5M
- 5 Form D · last Oct 2026
- 0 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 20
- 20 pending · first 2023
- Rank in peer group#11 of 151
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 5th filing$8.9M
- Private capital raisedForm D · SEC · 4th filing$12.5M
- Private capital raisedForm D · SEC · 3rd filing$5M
- Private capital raisedForm D · SEC · 2nd filing$10M
- Private capital raisedForm D · SEC · 1st filing$10M
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 151 peers
Line = medianEnergy · Device
- Granted patents#11 · top 7%
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- Freddie SarhanExecutive Officer, DirectorNamed in SEC Form D filings
- Jens Christian MathiesenDirectorNamed in SEC Form D filings
- Matthew Christian HillDirectorNamed in SEC Form D filings
- Peter Christian CooperDirectorNamed in SEC Form D filings
- Vatche ArtinianDirectorNamed in SEC Form D filings
- Victor Christian Pascucci IIIDirectorNamed in SEC Form D filings
What it has protected
USPTO · 20 granted of 40- GrantedElectrical Power Generated By Carbon Dioxide Gas Pressure LetdownUSPTOUS 12,546,283
- GrantedPressure Control In A TurboexpanderUSPTOUS 12,503,955
- PendingSubsea Power GenerationUSPTOApplication 18676253
Show all 40 patent records
- Electrical Power Generated By Carbon Dioxide Gas Pressure LetdownFeb 10, 2026 · US 12,546,283Granted
- Pressure Control In A TurboexpanderDec 23, 2025 · US 12,503,955Granted
- Subsea Power GenerationDec 4, 2025 · Application 18676253Pending
- Turboexpansion Reversible Heat Pump CycleNov 6, 2025 · Application 18654297Pending
- Conditioning Gas For A PipelineOct 21, 2025 · US 12,449,195Granted
- Natural Gas Processing With Co-generation Of PowerSep 18, 2025 · Application 18608544Pending
- Turboexpander Islanding OperationSep 9, 2025 · US 12,410,777Granted
- Hydrogen Production Using Electrical Power Generated By Gas Pressure LetdownJul 29, 2025 · US 12,374,960Granted
- Turboexpander System With Low Voltage Ride Through Control ArchitectureJul 29, 2025 · US 12,374,963Granted
- Cooling Gas Recovered From A WellJul 3, 2025 · Application 19088349Pending
- Brake resistor design for controlling rotor speed during generator shutdown sequenceMay 27, 2025 · US 12,316,197Granted
- Process Integration In Electrical Power GenerationApr 29, 2025 · US 12,289,034Granted
- Energy Recovery From A Gas WellApr 29, 2025 · US 12,286,953Granted
- Cooling Gas Recovered From A WellMar 25, 2025 · US 12,258,887Granted
- Hydrogen Applications For Turboexpander MachinesJan 28, 2025 · US 12,212,214Granted
- Producing Power With Turboexpander Generators Based On Specified Output ConditionsOct 1, 2024 · US 12,104,493Granted
- Pressure Control Valve For Turboexpander Overspeed ProtectionJul 11, 2024 · Application 18153202Pending
- Fuel Cell Temperature ControlJul 2, 2024 · US 12,027,732Granted
- Hydrogen Cooling TurboexpanderJun 4, 2024 · US 12,000,291Granted
- Turboexpander Islanding OperationMay 28, 2024 · US 11,994,115Granted
- Modular Design Of Turboexpander ComponentsOct 24, 2023 · US 11,795,873Granted
- Producing Power With Turboexpander Generators Based On Specified Output ConditionsOct 12, 2023 · Application 17658608Pending
- Capturing And Utilizing Waste Heat In Electrical Power GenerationJun 27, 2023 · US 11,686,223Granted
- Producing Power With Turboexpander Generators Based On Specified Output ConditionsApr 4, 2023 · US 11,619,140Granted
- Electrical Power GenerationMar 21, 2023 · US 11,611,263Granted
- Process Integration In Electrical Power GenerationFeb 28, 2023 · US 11,594,937Granted
- Regulating Flow Through A Turbo Expander GeneratorDec 8, 2022 · Application 17342202Pending
- Capturing And Utilizing Waste Heat In Electrical Power GenerationApplication PCTUS2023017764Pending
- Turboexpansion Reversible Heat Pump CycleApplication PCTUS2025027266Pending
- Natural Gas Processing With Co-generation Of PowerApplication PCTUS2025020219Pending
- Pressure Control In A TurboexpanderApplication PCTUS2024057709Pending
- Electrical Power Generated By Carbon Dioxide Gas Pressure LetdownApplication PCTUS2024021893Pending
- Cooling Gas Recovered From A WellApplication PCTUS2024016867Pending
- Conditioning Gas For A PipelineApplication PCTUS2024016874Pending
- Pressure Control Valve For Turboexpander Overspeed ProtectionApplication PCTUS2024011183Pending
- Hydrogen Production Using Electrical Power Generated By Gas Pressure LetdownApplication PCTUS2023036711Pending
- Hydrogen Applications For Turboexpander MachinesApplication PCTUS2023033848Pending
- Hydrogen Cooling TurboexpanderApplication PCTUS2023033616Pending
- Modular Design Of Turboexpander ComponentsApplication PCTUS2023032071Pending
- Brake Resistor Design For Controlling Rotor Speed During Generator Shutdown SequenceApplication PCTUS2023031560Pending
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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 .