GrafTech has over 180 patents or patents pending. Key patents are indicated below.

  • UCAR® graphite electrodes are covered by one or more of the following U.S. patents: US6440563; US6280663; US6803108. Other U.S. and foreign patents granted or pending.
  • The UCAR® ALX graphite electrodes are covered by one or more of the following U.S. and foreign patents: CN ZL200580020188.5; EP1813134; KR 10-1009569; KR 10-1049641; MX 260540; PL 210593; RU 2369047; US7230969; US7016394; US7301982; US 9313834. Other U.S. and foreign patents granted or pending.
  • UCAR® graphite electrodes may also be covered by one or more of the following patents: European Patent No. CA 2401625; EP1261549; KR 802030; MX 248543 as well as EP 1993325 and EP 2373121.
  • Customer Technical Services has obtained the following proprietary rights regarding their service offerings: CA2392788; CA 2528151; EP 1327352; MX 229069; US 6804582; US 7386369.
  • The ArchiTech Furnace Monitoring System may be covered by one or more of the following patents: EP 1817943; EP 2776770; EP2928268; US 7313160; US 7991039; US 9439247; D749621.