Graftech International LTD.
At a glance
Employees100-499
In business sinceNot reported
HeadquartersBrooklyn Heights, OH
US patents104
SAM.gov UEIJ977TQ7HX243
CAGE code3M8U2
Incorporated inDE
LEI549300GY32W00XP57351
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
104 US patents granted 2007–2025, 3 of them in the five years to SEP 2025, including 9 design patents.
Electrical machinery, apparatus, energy 25Materials, metallurgy 17Basic materials chemistry 11Audio-visual technology 11Thermal processes and apparatus 7
- Systems and methods for graphite electrode identification and monitoringUS 12,247,786 · granted MAR 11, 2025
- Extrusion press and method of usingUS 12,097,547 · granted SEP 24, 2024
- Systems and methods for graphite electrode identification and monitoringUS 11,499,779 · granted NOV 15, 2022
- Method of producing needle coke for low CTE graphite electrodesUS 10,253,264 · granted APR 9, 2019
- Long length electrodesUS 10,237,928 · granted MAR 19, 2019
Newest 5 shown · Granted to GrafTech International Holdings Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Graftech International LTD. | Brooklyn Heights | OH | 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.