Hamilton Associates INC
Doing business as Air Techniques International
At a glance
Employees20-99
In business sinceNot reported
HeadquartersOwings Mills, MD
US patents63
SAM.gov UEIWV85MT3YMBU4
CAGE code0D1M0
Incorporated inMD
LEI549300DKWOFBWDLURB80
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
63 US patents granted 1977–2025, 12 of them in the five years to SEP 2025, including 1 design patent.
Measurement 50Medical technology 4Other consumer goods 4Chemical engineering 2Electrical machinery, apparatus, energy 1
- Calibrated aerosol source and related methodsUS 12,222,274 · granted FEB 11, 2025
- Pipetting device, pipette tip coupler, and pipette tip: devices and methodsUS 12,005,434 · granted JUN 11, 2024
- Pipetting device, pipette tip coupler, and pipette tip: devices and methodsUS 11,235,318 · granted FEB 1, 2022
- Pipetting device, pipette tip coupler, and pipette tip: devices and methodsUS 11,130,123 · granted SEP 28, 2021
- Pipetting device, pipette tip coupler, and pipette tip: devices and methodsUS 11,117,125 · granted SEP 14, 2021
Newest 5 shown · Granted to Hamilton Associates, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Hamilton Associates INC | Owings Mills | MD | 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.