Hydra-lock CORP
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersMount Clemens, MI
US patents16
SAM.gov UEIKC6QF7CZ8H79
CAGE code05908
Incorporated inMI
Brands
This company sells these brands.
- arbors
- chucks
- gages
- tool holders
- work holding fixtures
- hydraulically expanding
- precision work-holding devices
- aerospace
- defense
- medical
- gear industries
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
16 US patents granted 1992–2022, 1 of them in the five years to SEP 2025.
Machine tools 16
- Hydrostatically actuated workholding apparatusUS 11,534,839 · granted DEC 27, 2022
- Fluid-actuated workholder with a collet driven by a soft and thin bladderUS 8,944,438 · granted FEB 3, 2015
- Stepped colletUS 8,800,997 · granted AUG 12, 2014
- Hydrostatically actuated workholding apparatus with high expansion and recovery sleeveUS 8,585,061 · granted NOV 19, 2013
- Hydrostatically actuated workholding apparatus with high expansion and recovery sleeveUS 7,967,300 · granted JUN 28, 2011
Newest 5 shown · Granted to Hydra-lock Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Hydra-lock CORP | Mount Clemens | MI | — | 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.





