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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
Search Symbol
CPC
COOPERATIVE PATENT CLASSIFICATION
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INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS [2013‑01]
NOTE
-
This subclass constitutes an internal scheme for indexing only.

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F27M 2001/00
Composition, conformation or state of the charge [2013‑01]
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F27M 2001/01
.
Charges containing mainly non-ferrous metals [2013‑01]
F27M 2001/012
. .
Aluminium [2013‑01]
F27M 2001/015
. .
Copper [2013‑01]
F27M 2001/017
. .
Lead [2013‑01]
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F27M 2001/02
.
Charges containing ferrous elements [2013‑01]
F27M 2001/023
. .
Ferrites [2013‑01]
F27M 2001/026
. .
Ferromagnetic materials [2013‑01]
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F27M 2001/03
.
Charges containing minerals [2013‑01]
F27M 2001/035
. .
China [2013‑01]
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F27M 2001/04
.
Carbon-containing material [2013‑01]
F27M 2001/045
. .
Coke [2013‑01]
F27M 2001/05
.
Waste materials, refuse [2013‑01]
F27M 2001/06
.
Plastics [2013‑01]
F27M 2001/07
.
Glass [2013‑01]
F27M 2001/08
.
Food [2013‑01]
F27M 2001/10
.
Scrap material used as charge [2013‑01]
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F27M 2001/15
.
characterised by the form of the articles [2013‑01]
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F27M 2001/1504
. .
Ceramic articles [2013‑01]
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F27M 2001/1508
. . .
Articles of relatively small dimensions [2013‑01]
F27M 2001/1513
. . . .
Plates [2013‑01]
F27M 2001/1517
. . . .
Tiles [2013‑01]
F27M 2001/1521
. . . .
Bricks [2013‑01]
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F27M 2001/1526
. . .
Elongated articles [2013‑01]
F27M 2001/153
. . . .
Tubes [2013‑01]
F27M 2001/1534
. . .
Big articles, e.g. bath-tubs [2013‑01]
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F27M 2001/1539
. .
Metallic articles [2013‑01]
F27M 2001/1543
. . .
Articles of relatively small dimensions [2013‑01]
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F27M 2001/1547
. . .
Elongated articles, e.g. beams, rails [2013‑01]
F27M 2001/1552
. . . .
Billets, slabs [2013‑01]
F27M 2001/1556
. . . .
Tubes or cylindrical bodies [2013‑01]
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F27M 2001/156
. . .
Flat articles [2013‑01]
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F27M 2001/1565
. . . .
Sheets [2013‑01]
F27M 2001/1569
. . . . .
assembled in coils [2013‑01]
F27M 2001/1573
. . . . .
in stacks [2013‑01]
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F27M 2001/1578
. . .
Articles of indefinite length [2013‑01]
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F27M 2001/1582
. . . .
Wires [2013‑01]
F27M 2001/1586
. . . . .
in coil form [2013‑01]
F27M 2001/1591
. . . .
Bars [2013‑01]
F27M 2001/1595
. .
Bands [2013‑01]
F27M 2001/16
.
Particulate material, e.g. comminuted scrap [2013‑01]
F27M 2001/17
.
in the form of a blanket, e.g. mineral wool [2013‑01]
F27M 2001/18
.
in the form of pellets [2013‑01]
F27M 2001/21
.
Briquets [2013‑01]
F27M 2001/22
.
Ingots [2013‑01]
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F27M 2002/00
Disposition of the charge [2013‑01]
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F27M 2002/01
.
in one layer [2013‑01]
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F27M 2002/013
. .
in a push furnace type [2013‑01]
F27M 2002/016
. . .
workpieces being separated by a separating element [2013‑01]
F27M 2002/03
.
as a batch of articles in a basket [2013‑01]
F27M 2002/04
.
Palettised [2013‑01]
F27M 2002/10
.
Brick disposition in stacks on the support [2013‑01]
F27M 2002/11
.
Continuous charging [2013‑01]
F27M 2002/12
.
Discontinuous charging [2013‑01]
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F27M 2003/00
Type of treatment of the charge [2013‑01]
F27M 2003/01
.
Annealing [2013‑01]
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F27M 2003/02
.
Preheating, e.g. in a laminating line [2013‑01]
F27M 2003/025
. .
Drying [2013‑01]
F27M 2003/03
.
Calcining [2013‑01]
F27M 2003/04
.
Sintering [2013‑01]
F27M 2003/05
.
Brazing [2013‑01]
F27M 2003/06
.
Enamelling [2013‑01]
F27M 2003/07
.
Carburising [2013‑01]
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F27M 2003/08
.
Curing; Baking [2013‑01]
F27M 2003/085
. .
Curing a painted surface [2013‑01]
F27M 2003/09
.
Expanding the charge, e.g. clay [2013‑01]
F27M 2003/10
.
Soaking [2013‑01]
F27M 2003/11
.
Incineration [2013‑01]
F27M 2003/12
.
Reactivation of particles, e.g. carbon [2013‑01]
F27M 2003/13
.
Smelting [2013‑01]
F27M 2003/14
.
Pyrolising [2013‑01]
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F27M 2003/15
.
Vaporisation [2013‑01]
F27M 2003/155
. .
Condensation [2013‑01]
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F27M 2003/16
.
Treatment involving a chemical reaction [2013‑01]
F27M 2003/162
. .
between two or more components of the charge [2013‑01]
F27M 2003/165
. .
Reduction [2013‑01]
F27M 2003/167
. .
Oxydation [2013‑01]
F27M 2003/17
.
Coating [2013‑01]
F27M 2003/18
.
Degasifying [2013‑01]
F27M 2003/19
.
Dipping in a salt bath [2013‑01]
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Last Modified: 10/10/2013