GrafTech International Virtual Patent Marking
The following GrafTech products are protected by patents in the U.S. and elsewhere. This website is provided to satisfy the virtual patent marking provisions of various jurisdictions including the virtual patent marking provisions of the America Invents Act and provide notice under 35 U.S.C. §287(a). In addition to the patents listed below, other patents may be pending. The following list of products may be covered by one or more of the following Patents.

UCAR® ALX Graphite Electrodes
U.S. Patent Nos. 7,230,969, 7,301,982 and 9,313,834; method for making electrodes covered by U.S. Patent No. 7,016,394.

ArchiTech® Furnace Monitoring System
U.S. Patent Nos. 9,439,247, D749,621, D770,511, and 7,313,160. Method of use covered by U.S. Patent No. 7,991,039.

GrafTrack® Electrode Monitoring System
U.S. Patent No. 11,499,779 and patent pending