Parallel flow heat exchanger with crimped channel entrance
Parallel flow heat exchangers incorporating porous inserts
Parallel flow/liquid-gas heat exchanger improvement...
Parallel intermeshing-flow heat exchanger
Parallel tube heat exchanger
Parallel wrapped tube heat exchanger
Particulate heating/cooling agents
Passage of a transit line through a conduit containing bends
Passive by-pass for heat exchangers
Passive heat recovery device with forced convection boiling
Passive heat transfer device
Passive three-phase heat tube for the protection of...
Passive wet cooling tower plume abatement system
Patterned tubing and a method of fabricating same from...
Perfected heat exchanger, especially suitable for gas...
Perforated arch-shaped fill bar for splash type water...
Perimeter seal for air heater
Permafrost stabilizing heat pipe assembly
Permafrost structural support with internal heat pipe means
Permeable structure