Carbonquest, INC.
At a glance
EmployeesNot reported
In business sinceNot reported
Industry
HeadquartersSpokane Valley, WA
US patents3
SAM.gov UEIM2DEAKYJSYD8
CAGE code9HK62
Incorporated inWA
Brands
Alt
Biogas Plant
Data Center
Circular Economy
Beverage TanksThis company sells these brands.
- industrial carbon dioxide emissions
- economic value
- non-toxic solid sorbents
- vacuum pressure swing adsorption
- biogas
- RNG facilities
- food
- beverage manufacturers
- low-carbon power generation
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
3 US patents granted in 2025, 3 of them in the five years to SEP 2025.
Chemical engineering 2Control 1
- Building emission processing and/or sequestration systems and methodsUS 12,405,000 · granted SEP 2, 2025
- Systems and methods for isolating substantially pure carbon dioxide from flue gasUS 12,398,880 · granted AUG 26, 2025
- Carbon management systems and method for management of carbon use and/or production in buildingsUS 12,367,498 · granted JUL 22, 2025
Granted to CarbonQuest, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Carbonquest, INC. | Spokane Valley | WA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


