F27D   1/00		塨饤˥󥰡ɡŷΣ	Casings; Linings; Walls; Roofs	12741
F27D   1/02		ϧĺŷ	Crowns; Roofs	2354
F27D   1/04		Ѥ󤬤ޤϥ֥åη֤ħΤ	characterised by the form of the bricks or blocks used	4526
F27D   1/06		ʣ礷󤬤ޤϥ֥å	Composite bricks or blocks	1400
F27D   1/08		䶯ޤ϶°΢ǤĤ󤬤ޤϥ֥å	Bricks or blocks with internal reinforcement or metal backing	1085
F27D   1/10		Υꥷå饤˥󥰡λٻ	Monolithic linings; Supports therefor	2244
F27D   1/12		֤礷ΡΣ	incorporating cooling arrangements	3122
F27D   1/14		饤˥󥰤Τλٻ֡ʰι¤Υ饤˥󥰤ΤλٻΣƣģˡΣ	Supports for linings (supports for monolithic linings <b>F27D1/10</b>)	2426
F27D   1/16		饤˥󥰤λܹޤ佤	Making or repairing linings	8851
F27D   1/18		ϧʤҡˤΥե졼ࡨϧ⡤դޤϰưǽʤΣ	Door frames; Doors, lids or removable covers	13381
F27D   3/00		ӽСʪμ갷Σ	Charging; Discharging; Manipulation of charge	15323
F27D   3/02		ʪΤΥåɤޤϵƻ	Skids or tracks for heavy objects	2749
F27D   3/04		ޤϥץå	Ram or pusher apparatus	1975
F27D   3/06		ưå˼դޤӽѵ	Charging or discharging machines on travelling carriages	1199
F27D   3/08		弰뵡弰ӽе	Screw feeders; Screw dischargers	1121
F27D   3/10		ۥåѤޤϥ塼Ȥľ	Charging directly from hoppers or shoots	2071
F27D   3/12		ʪΤΰư뤫ưλٻ֤ޤƴ	Travelling or movable supports or containers for the charge	9613
F27D   3/14		ήΤޤͻޤӽ	Charging or discharging liquid or molten material	3747
F27D   3/15		åԥ֡饰뤿	Tapping equipment; Equipment for removing slag	6695
F27D   3/16		ʪؤήΥåȤޤήήƳʣƣģͥˡΣ	Introducing a fluid jet or current into the charge(<b>F27D3/18</b> takes precedence)	2748
F27D   3/18		ήΥꥢѤγʪΣ	Charging particulate material using a fluid carrier	1521
F27D   5/00		ϧʪΤλٻ֡ɡޤΤΡΣ	Supports, screens or the like for the charge within the furnace	8515
F27D   7/00		ǮʷϵݻޤϽ۴ġΣ	Forming, maintaining or circulating atmospheres in heating chambers	1364
F27D   7/02		ޤϱΤζΣ	Supplying steam, vapour, gases or liquids	5424
F27D   7/04		ŪˡǤʷϵν۴	Circulating atmospheres by mechanical means	1905
F27D   7/06		ǮǤüʷϵޤϿޤϰݻʿޤϱΤζƣģˡΣ	Forming or maintaining special atmospheres or vacuum within heating chambers (supplying steam, vapour, gases or liquids <b>F27D7/02</b>)	5301
F27D   9/00		ϧޤϧʪѡ֤Ȥ߹塤饤˥󥰡ɤޤŷƣģˡΣ	Cooling of furnaces or of charges therein (casings, linings, walls or roofs incorporating cooling arrangements <b>F27D1/12</b>)	11952
F27D  11/00		ϧޤϧߤŵǮǤ֡Σ	Arrangement of elements for electric heating in or on furnaces	3017
F27D  11/02		ŵ񹳲Ǯ	Ohmic resistance heating	6419
F27D  11/04		ǮʪľܤήϩĤ	with direct passage of current through the material being heated	697
F27D  11/06		ͶƳǮʤǮʪޤϤƴޤƴ˴ޤޤƤǤѰΣ¦Ƥ	Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer	3130
F27D  11/08		ŵš㡥šˤǮ	Heating by electric discharge, e.g. arc discharge	2678
F27D  11/10		Ŷˤ֡Σ	Disposition of electrodes	2973
F27D  11/12		ǮʪľܺѤżĤ	with electromagnetic fields acting directly on the material being heated	640
F27D  13/00		ʪͽǮΤ֡ʪͽǮΤ	Apparatus for preheating charges; Arrangements for preheating charges	7119
F27D  15/00		ӽФ줿μ갷ޤϽλٻ֤ޤϼ	Handling or treating discharged material; Supports or receiving chambers therefor	1890
F27D  15/02			Cooling	10012
F27D  17/00		Ǯ֡ѥѤޤϽ֡Σ	Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases	46498
F27D  17/10		Ǯ֡Σ	Arrangements for using waste heat	1303
F27D  17/12		ǮѤΡΣ	using heat storage	81
F27D  17/13		Ǯ򴹴ѤΡΣ	using regenerative heat exchangers	12
F27D  17/15		ܥ顼ѤΡΣ	using boilers	226
F27D  17/17		ήΡ㡥ޤϵΡͽǮ뤿ΤΡΣ	for preheating fluids, e.g. air or gases	510
F27D  17/18		ΤͽǮ뤿ΤΡΣ	for preheating solid materials	321
F27D  17/20		ѥ֤ޤѥ֡Σ	Arrangements for treatment or cleaning of waste gases	803
F27D  17/22		ʬΤΡΣ	for removing solid constituents	1317
F27D  17/25		ѤΡΣ	using cyclones	101
F27D  17/28		ѥѤ뤿ΤΡΣ	for cooling waste gases	345
F27D  17/30		ѥ֤ޤѥ֡ΥաɡΣ	Arrangements for extraction or collection of waste gases; Hoods therefor	863
F27D  19/00		֤	Arrangement of controlling devices	15257
F27D  21/00		ƻ֤֤֡֡Σ	Arrangement of monitoring devices; Arrangement of safety devices	9290
F27D  21/02		ѻޤϾ	Observation or illuminating devices	2366
F27D  21/04		ؼޤϷ֡Σ	Arrangement of indicators or alarms	1739
F27D  25/00		󥯥饹ơν֡Σ	Devices for removing incrustations	6775
F27D  27/00		ͻʪΤΤ֡ʱΤޤͻʪޤӽФΣƣģˡΣ	Stirring devices for molten material (charging or discharging liquid or molten material <b>F27D3/14</b>)	4205
F27D  99/00		Υ֥饹¾Υ롼פʬवʤΣ	Subject matter not provided for in other groups of this subclass	7281
