U.S. federal trademark · Serial No. 86340343 · Reg. No. 4758864
Custom design and engineering services in the field of heat exchangers, heat recovery units, boiler feed-water economizers, tubular air pre-heaters, and waste heat recover units
Heat exchangers and custom engineered heat recovery units, namely, boiler feed-water economizers, tubular air pre-heaters, waste heat recovery units and other heat exchangers, none of the aforementioned, being parts of machines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.