Harper International Corporation
Doing business as Harper International CORP
At a glance
Employees20-99
In business since1988
HeadquartersBuffalo, NY
US patents14
SAM.gov UEIM84KUGVSLLJ4
CAGE code27334
Incorporated inNY
- thermal processing solutions
- technical services
- production
- carbon fiber
- nuclear materials
- technical ceramics
- powder metals
- battery materials
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
14 US patents granted 1999–2017, none of them in the five years to SEP 2025.
Thermal processes and apparatus 6Chemical engineering 4Materials, metallurgy 3Textile and paper machines 1
- Airflow distribution systemUS 9,618,228 · granted APR 11, 2017
- Oven for fiber heat treatmentUS 9,255,733 · granted FEB 9, 2016
- Overhung rotary tube furnaceUS 8,485,815 · granted JUL 16, 2013
- Vertical conveyor apparatus for high temperature continuous processing of materialsUS 6,910,882 · granted JUN 28, 2005
- Continuous single stage process for the production of molybdenum metalUS 6,569,222 · granted MAY 27, 2003
Newest 5 shown · Granted to Harper International Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Harper International Corporation | Buffalo | NY | 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.