ClassID:

160918

F27B3/08 - CPC Classification

Classification description:

Hearth-type furnaces, e.g. of reverberatory type ; Tank furnaces heated electrically, with or without any other source of heat

Sub-classes:
Recent Application in this class:
#1
20260110493
2026-04-23

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

#2
20260078957
2026-03-19

PRESSURE RING ASSEMBLY WITH WEDGE CONNECTOR

#3
20260078956
2026-03-19

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

#4
20250383152
2025-12-18

METHOD FOR OPERATING ELECTRIC FURNACE

#5
20250377162
2025-12-11

MELTING FURNACE AND METHOD FOR MELTING METAL BY MEANS OF AN ELECTRICALLY HEATABLE IMMERSION HEATING ELEMENT

#6
20240313547
2024-09-19

Renewable Energy Powered Thermal Processing System

#7
20240183614
2024-06-06

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

#8
20240077256
2024-03-07

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

#9
20220363550
2022-11-17

SILICA TO HIGH PURITY SILICON PRODUCTION PROCESS

#10
20220187019
2022-06-16

A HEATING ELEMENT, A SYSTEM AND METHOD FOR MELTING MATERIALS USING SAID HEATING ELEMENT

#11
20210041173
2021-02-11

Method for controlling furnace, and analyzing device for carrying out this method

#12
20200331789
2020-10-22

METHOD FOR PRODUCING GLASS ARTICLE AND GLASS-MELTING FURNACE

#13
20200164432
2020-05-28

Method for producing metal ingot

#14
20200122226
2020-04-23

Method for producing metal ingot

#15
20200080780
2020-03-12

Electric furnace

#16
20190301802
2019-10-03

Arc furnace bottom construction

#17
20190271465
2019-09-05

Auxiliary burner for electric furnace

#18
20190264914
2019-08-29

Auxiliary burner for electric furnace

#19
20180237306
2018-08-23

Silica to high purity silicon production process

#20
20180117671
2018-05-03

Melting device

#21
20170101318
2017-04-13

Method for producing silicon using microwave, and microwave reduction furnace

#22
20170077396
2017-03-16

Manufacturing method of semiconductor device having magnetic substance film

#23
20170038146
2017-02-09

Immersion heater for molten metal

#24
20150369540
2015-12-24

Contact plate for an electrode of an electro-metallurgical furnace and method for producing such a plate

#25
20150344983
2015-12-03

Fixed-type electric furnace and molten steel production method

#26
20150267271
2015-09-24

Method and device for supplying energy into a scrap metal pile in an electric arc furnace

#27
20140017156
2014-01-16

Method for producing silicon using microwave, and microwave reduction furnace

#28
20130279533
2013-10-24

Melting furnace including wire-discharge ion plasma electron emitter

#29
20130056915
2013-03-07

SINTERED REFRACTORY MATERIAL BASED ON SILICON CARBIDE WITH A SILICON NITRIDE BINDER

#30
20120193842
2012-08-02

Apparatus for manufacturing molten metal

#31
20120140788
2012-06-07

Electrode holder assembly and furnace comprising same

#32
20120139170
2012-06-07

Slag discharge door apparatus for electric furnace

#33
20120010761
2012-01-12

Overheat detection system

#34
20110156324
2011-06-30

Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes

#35
20110148012
2011-06-23

Immersion heater for molten metal

#36
20110146447
2011-06-23

Method for controlling foamed slag in a stainless melt in an electronic arc furnace

#37
20110036201
2011-02-17

Method for manufacturing molten metal

#38
20110024956
2011-02-03

Sintered refractory material based on silicon carbide with a silicon nitride binder

#39
20100326240
2010-12-30

Control method for melting a metal charge and weighing device used in said method

#40
20100180723
2010-07-22

Method for manufacturing molten iron

#41
20100145523
2010-06-10

Overheat detection system

#42
20100012629
2010-01-21

Ion plasma electron emitters for a melting furnace

#43
20080264596
2008-10-30

Process and apparatus for use in recycling composite materials

#44
20080237200
2008-10-02

Melting furnace including wire-discharge ion plasma electron emitter

#45
20080234122
2008-09-25

Sintered refactory material based on silicon carbide with a silicon nitride binder

#46
20070157761
2007-07-12

Use of an induction furnace for the production of iron from ore

#47
20070113705
2007-05-24

Process and apparatus for use in recycling composite materials

#48
20070064763
2007-03-22

Glass melt electrode and method for melting glass or glass ceramic

#49
20050269752
2005-12-08

Continuous steelmaking plant

#50
20050175060
2005-08-11

Method and electric furnace for melting vitreous materials