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GrafTech International Ltd Patents
What GrafTech International Ltd has filed at the patent office — applications as well as grants, because a filing is on the record eighteen months before anyone has to say what it was for.
EAF on carbonthat →Filings on file
8
Granted
1
Still pending
7
Filed under
2 names
8 filings
Newest filing first. A pending application has no patent number yet, and most never get one.
| Invention | Patent |
|---|---|
| GRAPHITIZATION TROUGH SYSTEMH05B 3/06, C01B 32/205, H05B 3/145, H05B 3/28Filed as GRAFTECH INTERNATIONAL HOLDINGS INC.2025-10-09William Eric SLYE | pending |
| GRAPHITIZATION TROUGH SYSTEMFiled as GRAFTECH INTERNATIONAL HOLDINGS INC.2025-10-09WILLIAM ERIC SLYE | pending |
| DISPLAY SCREEN OR PORTION THEREOF WITH GRAPHICAL USER INTERFACEFiled as GRAFTECH INTERNATIONAL HOLDINGS INC.2025-05-02Frank Andrew Messineo JR. | D1140946 |
| MONITORING SYSTEM FOR AN ELECTRODE COUPLING DEVICEG01L 5/24, H05B 7/14, F27B 3/085, H05B 7/18Filed as GRAFTECH INTERNATIONAL HOLDINGS INC.2024-12-20William J. MacDonald | pending |
| MONITORING SYSTEM FOR AN ELECTRODE COUPLING DEVICEFiled as GRAFTECH INTERNATIONAL HOLDINGS INC.2024-12-20WILLIAM J. MACDONALD | pending |
| GRAPHITIZATION TROUGH SYSTEMFiled as GRAFTECH INTERNATIONAL HOLDINGS INC.2024-10-09William Eric Slye | pending |
| FILAMENTED CASK FOR GRAPHITIZATION OF CARBON MATERIALFiled as GRAFTECH INTERNATIONAL HOLDINGS INC.2024-04-16NATHANAEL HENDERSON MAY | pending |
| FILAMENTED CASK FOR GRAPHITIZATION OF CARBON MATERIALC01B 32/205, H05B 3/145, B01J 19/087, D01F 9/12, H05B 1/0247, H05B 3/42, H05B 3/60Filed as Graftech International Holdings Inc.2024-04-16Nathanael Henderson May | pending |
Filings are matched to the company by applicant name, so a subsidiary filing under its own name is only here if that name resolves to this company. The applicant is printed as filed, which makes a wrong match visible. A patent is not a product: most applications are never granted, and most grants are never built.
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