75137437
Jul 22, 1996
Nov 25, 1997
steam surface condensers, indirect contact vacuum condensers, direct contact barometric vacuum condensers, air cooled condensers, steam jet ejectors, organic motivated ejectors, vacuum deaerators, and desuperheaters, all for use in steam generation and condensation applications; shell and tube heat exchangers, air cooled heat exchangers, plate heat exchangers, heliflow heat exchangers, instantaneous water heaters, fume scrubbers, steam vacuum refrigeration units and steam relief valves
Environmental Control Apparatus