U.S. federal trademark · Serial No. 74159736 · Reg. No. 1115410
glass tubing equipment and installations for energy recovery and/or the purification of flue gases, consisting essentially of heat exchangers, waste gas purification lines and neutralization vessels for any type of heating units; glass tubing equipment for any type of heating units for the withdrawal of flue gases and condensate, consisting essentially of chimney linings, flue gas pipes and condensate removal pipes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.