The Hilliard CORP
At a glance
Employees100-499
In business since1905
HeadquartersElmira, NY
US patents39
SAM.gov UEIDMCGZZX2Y5W5
CAGE code28718
Incorporated inNY
Brands
This company sells these brands.
- motion control
- braking systems
- filtration products
- industrial clutches
- filter cartridges
- outdoor power equipment
- mining
- material handling
- marine
- ISO 9001
Named on the company’s own website, read JUL 29, 2026
What they make
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
39 US patents granted 1977–2025, 7 of them in the five years to SEP 2025.
Mechanical elements 28Transport 4Chemical engineering 4Engines, pumps, turbines 1Machine tools 1
- Spring and damper assembly for a centrifugal clutch in a continuously variable transmissionUS 12,331,798 · granted JUN 17, 2025
- Driven clutch with dual helix assembly for continuously variable transmissionUS 12,146,568 · granted NOV 19, 2024
- Flexible armature plate for an electro-magnetic overrunning clutchUS 12,104,659 · granted OCT 1, 2024
- Bi-directional overrunning clutch differential with output hub supportsUS 11,421,769 · granted AUG 23, 2022
- Center differential and drive system for four wheel driveUS 11,236,811 · granted FEB 1, 2022
Newest 5 shown · Granted to The Hilliard Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| The Hilliard CORP | Elmira | NY | 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.