Darex, LLC
Doing business as Work Sharp
At a glance
Employees20-99
In business since2013
HeadquartersAshland, OR
US patents78
SAM.gov UEINB4WB52TBD33
CAGE code455R5
Incorporated inOR
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
78 US patents granted 1977–2025, 40 of them in the five years to SEP 2025, including 31 design patents.
Machine tools 47
- Knife sharpenerUS D1087714 · granted AUG 12, 2025
- Folding knife, folding knife kit, knife kit, and methodsUS 12,246,465 · granted MAR 11, 2025
- Power sharpenerUS D1056844 · granted JAN 7, 2025
- Clamp for a sharpening device used to sharpen a cutting toolUS D1054822 · granted DEC 24, 2024
- Knife sharpenerUS D1054269 · granted DEC 17, 2024
Newest 5 shown · Granted to Darex, LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Darex, LLC | Ashland | OR | 20–99 | 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.

