CPC Definition - Subclass F27B
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Bakers' ovens; Machines or equipment for baking | |
Furnaces specially adapted for glass manufacture | |
Retorts | |
Coke ovens with vertical chambers | |
Coke ovens with horizontal chambers | |
Coke ovens with mechanical conveying means for the raw material inside the oven | |
Beehive ovens | |
Coke ovens with inclined chambers | |
Coke ovens with means for bringing and keeping the charge under mechanical pressure | |
Other coke ovens | |
Furnaces, kilns, ovens or retorts specially adapted for cracking hydrocarbons | |
Furnaces, kilns, ovens or retorts for production of gases containing carbon monoxide and hydrogen from solid carbonaceous materials by partial oxidation processes involving oxygen or steam | |
Blast furnaces | |
Stoves for heating the blast in blast furnaces | |
Manufacture of steel in converters | |
General devices for heat treatment of ferrous or non-ferrous metals or alloys | |
Furnaces for electroslag or arc remelting of metals | |
Apparatus or furnaces for melting or fritting enamels | |
Ovens specially adapted for firing enamels |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Preheating, burning, calcining or cooling lime, magnesia or dolomite in shaft or vertical furnaces | |
Making pig-iron in blast furnaces | |
Blast furnaces | |
Shaft furnaces for making pig-iron |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Bell-and-hopper arrangements for blast furnaces |
Attention is drawn to the following places, which may be of interest for search:
Devices for charging furnaces |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Devices for discharging from blast furnaces |
Attention is drawn to the following places, which may be of interest for search:
Devices for discharging from furnaces |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Cooling devices for blast furnaces |
Attention is drawn to the following places, which may be of interest for search:
Cooling of furnaces or of charges therein |
Attention is drawn to the following places, which may be of interest for search:
Controlling devices for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Monitoring devices for furnaces in details |
This place does not cover:
Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity | |
Bell-type furnaces | |
Furnaces with both stationary charge and progression of heating | |
Crucible or pot furnaces | |
Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion | |
Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Manufacture of steel in electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non-electric furnace |
Attention is drawn to the following places, which may be of interest for search:
Linings in general |
Attention is drawn to the following places, which may be of interest for search:
Heated by electric discharge in details | |
Electric heating elements or systems for furnaces in details |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Charging of electric furnaces used in the manufacture of steel |
Attention is drawn to the following places, which may be of interest for search:
Devices for charging furnaces |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Burners in electric arc furnaces used in the manufacture of steel |
Attention is drawn to the following places, which may be of interest for search:
Burners | |
Heating elements or systems for furnaces, kilns, ovens or retorts | |
Electric heating |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Lances or injectors for converters used in the manufacture of steel | |
Injectors for electric arc furnaces used in the manufacture of steel |
Attention is drawn to the following places, which may be of interest for search:
Oxygen blowing | |
Introducing a fluid jet or current into the charge in details |
Attention is drawn to the following places, which may be of interest for search:
Heat-exchange apparatus |
Attention is drawn to the following places, which may be of interest for search:
Monitoring devices for furnaces in details | F21D21/00 |
Controlling devices for furnaces in details |
This place does not cover:
Furnaces through which the charge is moved mechanically or in which the charge moves by gravity |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Muffle or retort furnaces for heat treatment of particular metallic articles, e.g. annealing, hardening, quenching or tempering |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Furnaces for heat treatment of ferrous or non-ferrous metals or alloys |
Attention is drawn to the following places, which may be of interest for search:
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Charging particular metallic articles in heat-treatment furnaces |
Attention is drawn to the following places, which may be of interest for search:
Devices for charging furnaces |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Discharging particular metallic articles from heat-treatment furnaces |
Attention is drawn to the following places, which may be of interest for search:
Devices for discharging from furnaces |
Attention is drawn to the following places, which may be of interest for search:
Methods of heating during heat treatment of ferrous or non-ferrous metals or alloys | |
Arrangement of elements for electric heating in or on furnaces | |
Heating elements or systems for furnaces, kilns, ovens or retorts |
Attention is drawn to the following places, which may be of interest for search:
Process control or regulation for heat treatments of ferrous or non-ferrous metals or alloys | |
Arrangement of controlling devices for furnaces | |
Arrangement of monitoring devices for furnaces |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Rotary retorts | |
Destructive distillation of solid carbonaceous material with indirect heating in rotary ovens or retorts | |
Making pig-iron in rotary kilns | |
Making spongy iron or liquid steel, by direct processes in rotary furnaces | |
Rotary furnaces with horizontal or slightly inclined axis for heat treatment of ferrous or non-ferrous metals or alloys |
Attention is drawn to the following places, which may be of interest for search:
Attention is drawn to the following places, which may be of interest for search:
Seals for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Linings for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Partitions for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Monitoring devices for furnaces in details | F21D21/00 |
Controlling devices for furnaces in details |
This place does not cover:
Rotary-drum furnaces with means for agitating or moving the charge |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Furnaces for heat treatment of ferrous or non-ferrous metals or alloys |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Continuous furnaces for heat treating metal strip or wire with a controlled atmosphere or vacuum |
Attention is drawn to the following places, which may be of interest for search:
Attention is drawn to the following places, which may be of interest for search:
Method of heating during heat treatment of ferrous or non-ferrous metals or alloys | |
Arrangement of elements for electric heating in or on furnaces | |
Heating elements or systems for furnaces, kilns, ovens or retorts |
This place does not cover:
Furnaces for treating continuous lengths of work |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Furnaces in which the charge is moving up or down | |
Furnaces for heat treatment through which the charge is moved in a horizontal straight path |
Attention is drawn to the following places, which may be of interest for search:
Travelling or movable supports or containers for the charge | |
Furnace cars |
This place covers:
Furnaces through which the charge is moved mechanically, e.g. tunnel furnaces.
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Rolls in heat-treating furnaces | |
Rolls in continuous heat-treating furnaces |
Attention is drawn to the following places, which may be of interest for search:
Transport by conveyors in general |
Attention is drawn to the following places, which may be of interest for search:
Travelling or movable supports or containers for the charge; Furnace cars |
Attention is drawn to the following places, which may be of interest for search:
Linings for furnaces in details |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Continuous furnaces for heat treating metal strip or wire |
Attention is drawn to the following places, which may be of interest for search:
Heating elements or system for furnaces, kilns, ovens or retorts |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Charging particular metallic articles in heat-treatment furnaces |
Attention is drawn to the following places, which may be of interest for search:
Devices for charging of furnaces |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Discharging particular metallic articles from heat-treatment furnaces |
Attention is drawn to the following places, which may be of interest for search:
Devices for discharging of furnaces |
This place covers:
Arrangement of controlling or monitoring devices
Attention is drawn to the following places, which may be of interest for search:
Process control or regulation for heat treatments of ferrous or non-ferrous metals or alloys | |
Arrangement of controlling devices for furnaces | |
Arrangement of monitoring devices for furnaces |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Bell-type furnaces for treating metal strips or wire |
Attention is drawn to the following places, which may be of interest for search:
Linings for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Heating elements or systems in details; especially burners |
Attention is drawn to the following places, which may be of interest for search:
Monitoring devices for furnaces in details | F21D21/00 |
Controlling devices for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Single crystal growth |
Attention is drawn to the following places, which may be of interest for search:
Electric heating elements or systems | |
Electric heating elements in general |
Attention is drawn to the following places, which may be of interest for search:
Crucibles for single crystal growth |
Attention is drawn to the following places, which may be of interest for search:
Covers for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Heating elements or systems for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Monitoring devices for furnaces in details | F21D21/00 |
Controlling devices for furnaces in details |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Making spongy iron or liquid steel, by direct processes in fluidised bed furnaces or apparatus containing a dispersion of the material | |
Heating metallic strips in fluidised beds |
Attention is drawn to the following places, which may be of interest for search:
General apparatuses for carrying out chemical or physical processes in a fluidised-bed reactor | |
Combustion apparatus in which combustion takes place in a fluidised bed of fuel or other particles | |
Heat-exchange apparatus using fluidised bed |
Attention is drawn to the following places, which may be of interest for search:
Linings for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Devices for charging of furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Devices for discharging of furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Controlling devices for furnaces in details |
Attention is drawn to the following places, which may be of interest for search:
Monitoring devices for furnaces in details |
This place covers:
Types of furnaces not covered by any preceding group:
- open field furnaces for burning bricks;
- chamber type furnaces, e.g. specially adapted for treating semiconductor wafers or specially adapted for burning bricks or pottery;
- chamber type furnaces, where the floor consists of a support carrying the charge, e.g. car type furnaces;
- furnaces specially designed for laboratory use.
This place does not cover:
Structural combinations of furnaces |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Attention is drawn to the following places, which may be of interest for search:
Furnaces through which the charge is moved mechanically | |
Apparatuses for treating semiconductors or wafers |
This place covers:
Furnaces especially designed for laboratory use.
Furnaces for dental work-pieces
Attention is drawn to the following places, which may be of interest for search:
Devices for soldering, casting, moulding or melting dental prostheses |