U.S. federal trademark · Serial No. 90026128 · Reg. No. 6604927
Repairing, retubing, rebuilding, and maintaining heat exchangers and pressure vessels
Custom design of heat exchangers
Custom manufacture of heat exchangers
Heat exchangers not being parts of machines; Heat exchanger structural parts specifically adapted for heat exchangers that are not parts of machines, namely, pressure vessels
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.