Coorstek, INC.
Doing business as Coorstek, INC
At a glance
Employees100-499
In business sinceNot reported
HeadquartersOak Ridge, TN
US patents38
SAM.gov UEICJYARDMNHAM3
CAGE code4JTS0
Incorporated inDE
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
38 US patents granted 2000–2023, 2 of them in the five years to SEP 2025, including 12 design patents.
Materials, metallurgy 11Chemical engineering 4Engines, pumps, turbines 3Electrical machinery, apparatus, energy 2Thermal processes and apparatus 2
- Coating methods and materials to reduce aging of SiC hot surface ignitorsUS 11,685,699 · granted JUN 27, 2023
- Corrosion-resistant components and methods of makingUS 11,376,822 · granted JUL 5, 2022
- Wire bonding wedge toolUS D868123 · granted NOV 26, 2019
- Cost-effective solid state reactive sintering method for protonic ceramic fuel cellsUS 10,305,116 · granted MAY 28, 2019
- Ceramic bonding tool with textured tipUS D824970 · granted AUG 7, 2018
Newest 5 shown · Granted to CoorsTek, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
8 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Coorstek INC | Benton | AR | — | LIKELY ACTIVE |
| Coorstek, INC. | Golden | CO | — | LIKELY ACTIVE |
| Coorstek, INC. | Golden | CO | — | LIKELY ACTIVE |
| Coorstek, INC. | East Granby | CT | — | LIKELY ACTIVE |
| Coorstek, INC. | Lexington | KY | — | LIKELY ACTIVE |
| Coorstek, INC. | Worcester | MA | — | LIKELY ACTIVE |
| Coorstek INC | Hillsboro | OR | — | LIKELY ACTIVE |
| Coorstek, INC. | Oak Ridge | TN | 100–499 | 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.