IPC Classification

Class code (prefix) Descriptions Number of results
F28C 1/00 Direct-contact trickle coolers, e.g. cooling towers
F28C 1/02 Direct-contact trickle coolers, e.g. cooling towers with counter-current only
F28C 1/04 Direct-contact trickle coolers, e.g. cooling towers with cross-current only
F28C 1/06 Direct-contact trickle coolers, e.g. cooling towers with both counter-current and cross-current
F28C 1/08 Arrangements for recovering heat from exhaust steam
F28C 1/10 Arrangements for suppressing noise
F28C 1/12 Arrangements for preventing clogging by frost
F28C 1/14 Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
F28C 1/16 Arrangements for preventing condensation, precipitation or mist formation, outside the cooler
F28C 3/00 Other direct-contact heat-exchange apparatus
F28C 3/02 Other direct-contact heat-exchange apparatus the heat-exchange media both being gases or vapours
F28C 3/04 Other direct-contact heat-exchange apparatus the heat-exchange media both being liquids
F28C 3/06 Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
F28C 3/08 Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
F28C 3/10 Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
F28C 3/12 Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
F28C 3/14 Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material moving by gravity, e.g. down a tube
F28C 3/16 Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material forming a bed, e.g. fluidised, on vibratory sieves
F28C 3/18 Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material being contained in rotating drums