U.S. federal trademark · Serial No. 98567494
Maintenance, inspection and repair services on fired heaters and process equipment during normal operation, namely, creating hot access to the interior through the external shell for inspection, refractory repair, radiant and convection tube cleaning, SCR catalyst vacuuming and process tube stabilization
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.