Promethient, Inc.
Thermoelectric heating and cooling device using graphene for personal thermal comfort
- Sector
- Materials
- Headquarters
- TRAVERSE CITY, MI
- Founded
- 2017
- Latest Form D
- $1M, Jun 2025
- Total capital
- $1.6M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $1.6M
- 4 Form D · last Jun 2025
- 16 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 1
- 3 pending · first 2026
- Rank in peer group#19 of 94
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 4th filing$1M
- Private capital raisedForm D · SEC · 3rd filing$60K
- Private capital raisedForm D · SEC · 2nd filing$50K
- Private capital raisedForm D · SEC · 1st filing$470K
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 94 peers
Line = medianMaterials · Device
- Granted patents#19 · top 20%
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- Jody LundquistExecutive OfficerNamed in SEC Form D filings
- Jody F. TrietchExecutive OfficerNamed in SEC Form D filings
- Lowell D. GrumanDirectorNamed in SEC Form D filings
- Martin PaulDirectorNamed in SEC Form D filings
- Scott F. DennisDirectorNamed in SEC Form D filings
- Scott G. KunselmanDirectorNamed in SEC Form D filings
Show all 8 people
- Stan F. GwizdakDirectorNamed in SEC Form D filings
- William D. MyersExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 1 granted of 4- GrantedGraphene Thermal Conductivity Using Highly Conductive Isotropic CladdingUSPTOUS 12,644,629
- PendingFoam-in-place Electro-thermal Conversion DeviceUSPTOApplication 19081868
- PendingFoam-in-place Thermoelectric EngineUSPTOApplication 63565712
Show all 4 patent records
- Graphene Thermal Conductivity Using Highly Conductive Isotropic CladdingJun 2, 2026 · US 12,644,629Granted
- Foam-in-place Electro-thermal Conversion DeviceSep 18, 2025 · Application 19081868Pending
- Foam-in-place Thermoelectric EngineApplication 63565712Pending
- Improved Graphene Thermal Conductivity Using Highly Conductive Isotropic CladdingApplication 63306662Pending
Related companies, and why
- Veloxint CIF, Inc.Similar federal contract value in Materials · null in contracts
- Filium Corp.Similar federal contract value in Materials · null in contracts
- Extrude to Fill, LLCSimilar federal contract value in Materials · null in contracts
- Azoth3D, Inc.Similar federal contract value in Materials · null in contracts
- Chroma Protocol CorpSimilar federal contract value in Materials · null in contracts
- Keraplast ManufacturingSimilar federal contract value in Materials · null in contracts
Regulatory activity · Materials
- Eliminating Regulations Establishing Fellowships in Laboratory Standardization and Testing for Foreign CitizensNational Institute of Standards and Technology
- Eliminating Obsolete Marking Requirements for Toy, Look-Alike, and Imitation FirearmsNational Institute of Standards and Technology
- Eliminating Obsolete Regulations Related to the Advanced Technology Program and the Technology Innovation ProgramNational Institute of Standards and Technology
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 .