Patents-Review.com
ClassID:

160933 ⎘

F27B3/22 - CPC Classification

Classification description:

Hearth-type furnaces, e.g. of reverberatory type ; Tank furnaces; Details, accessories, or equipment peculiar to hearth-type furnaces Arrangements of air or gas supply devices

Sub-classes:
Recent Application in this class:
#1
20260139346
2026-05-21

APPARATUS AND METHOD FOR PRODUCTION OF HIGH PURITY COPPER-BASED ALLOYS

 #2
20260085886
2026-03-26

Method For Manufacturing Metal Alloys And Metal Powders

 #3
20260071751
2026-03-12

A GAS HEATER ASSEMBLY FOR A GAS HEATING PROCESS AND A SYSTEM FOR A GAS HEATING PROCESS

 #4
20250388997
2025-12-25

APPARATUS AND METHOD FOR PRODUCTION OF HIGH PURITY COPPER-BASED ALLOYS

 #5
20250383152
2025-12-18

METHOD FOR OPERATING ELECTRIC FURNACE

 #6
20250297806
2025-09-25

MULTI-SCALE TEST DEVICE FOR CRYSTALLIZATION PERFORMANCE OF HIGH-TEMPERATURE MELTS

 #7
20250129449
2025-04-24

APPARATUS AND METHOD FOR PRODUCTION OF HIGH PURITY COPPER-BASED ALLOYS

 #8
20250093100
2025-03-20

ELECTRIC FURNACE

 #9
20250060162
2025-02-20

METAL MELTING APPARATUS, SCREEN PLATE FOR METAL MELTING, AND METHOD OF MELTING METAL

 #10
20250052501
2025-02-13

MELTING FURNACE PURGE SYSTEM AND METHOD

 #11
20240279775
2024-08-22

APPARATUS AND METHOD FOR PRODUCTION OF HIGH PURITY COPPER-BASED ALLOYS

 #12
20240255224
2024-08-01

APPARATUS AND METHOD FOR PRODUCTION OF HIGH PURITY COPPER-BASED ALLOYS

 #13
20240191314
2024-06-13

METHOD OF OPERATING AN ELECTRIC ARC FURNACE AND STEEL MILL

 #14
20230384031
2023-11-30

APPARATUS AND METHOD FOR SUPPLYING A GAS TO A FURNACE FOR THE PRODUCTION OF METAL

 #15
20230349638
2023-11-02

Apparatus and method for production of high purity copper-based alloys

 #16
20230314076
2023-10-05

SMELTING APPARATUS AND METALLURGICAL PROCESSES THEREOF

 #17
20230313340
2023-10-05

Apparatus and method for production of high purity copper-based alloys

 #18
20230235959
2023-07-27

Load Lock System And Method For Manufacturing Metal Alloys And Metal Powder

 #19
20220389536
2022-12-08

PLASMA INDUCED FUMING FURNACE

 #20
20220373261
2022-11-24

Melting furnace purge system and method

 #21
20220307768
2022-09-29

Metal melting apparatus, screen plate for metal melting, and method of melting metal

 #22
20220244107
2022-08-04

Immersion device for temperature measurement and method for position detection

 #23
20210348847
2021-11-11

Gas injection system, furnace provided with such a system and use thereof

 #24
20210190427
2021-06-24

Electric furnace and method for melting and reducing iron oxide-containing iron raw material

 #25
20210055052
2021-02-25

Melting furnace

 #26
20200333075
2020-10-22

FLUID COOLED HOUSING SYSTEM FOR INSTRUMENTS OF A METAL MAKING FURNACE

 #27
20200191481
2020-06-18

Smelting apparatus and metallurgical processes thereof

 #28
20190331423
2019-10-31

Method for operating a batch furnace comprising the preheating of a fluid upstream of the furnace

 #29
20190185962
2019-06-20

Method for reducing salt usage in aluminum recycling

 #30
20190145708
2019-05-16

Fluid cooled housing system for instruments of a metal making furnace

 #31
20190056177
2019-02-21

Furnace

 #32
20190010563
2019-01-10

Method of operating a top submerged lance furnace

 #33
20180117671
2018-05-03

Melting device

 #34
20180017329
2018-01-18

Vortex well inerting

 #35
20170218470
2017-08-03

Burner-lance unit

 #36
20170198365
2017-07-13

Rotary hearth furnace

 #37
20170082368
2017-03-23

Rotary degassers and components therefor

 #38
20160320132
2016-11-03

Lance drive system

 #39
20160313064
2016-10-27

Stirring fan for heat treatment apparatus, and heat treatment apparatus including the same

 #40
20160265848
2016-09-15

Top submerged injection lance for enhanced submerged combustion

 #41
20160208350
2016-07-21

SMELTING APPARATUS AND METHOD OF USING THE SAME

 #42
20160017458
2016-01-21

Direct smelting process and apparatus

 #43
20160017446
2016-01-21

Cokeless reverberatory furnace for melting iron with separate hearth and melting chamber

 #44
20150323256
2015-11-12

Immersion heater for molten metal

 #45
20150259758
2015-09-17

Starting a smelting process

 #46
20150107797
2015-04-23

Flexible minimum energy utilization electric arc furnace system and processes for making steel products

 #47
20140319118
2014-10-30

Fiber oxidation oven with multiple independently controllable heating systems

 #48
20140312540
2014-10-23

Apparatus and method for positioning lances of electric arc furnace, electric arc furnace comprising such apparatus

 #49
20130160606
2013-06-27

Controllable solids injection

 #50
20130106035
2013-05-02

Gas blowing nozzle

 #51
20120200014
2012-08-09

Apparatus for injecting gas into a vessel

 #52
20120074622
2012-03-29

Movable device for injecting oxygen and other materials into electric arc furnace

 #53
20120067171
2012-03-22

Direct smelting process and apparatus

 #54
20110303763
2011-12-15

Apparatus for injecting gas into a vessel

 #55
20110226092
2011-09-22

Process for producing molten iron and apparatus for producing molten iron

 #56
20110163486
2011-07-07

Rotary degassers and components therefor

 #57
20110127703
2011-06-02

Dynamic lances utilizing fluidic techniques

 #58
20110068522
2011-03-24

Apparatus for injecting gas into a vessel

 #59
20100252967
2010-10-07

Injector for arc furnace

 #60
20100201050
2010-08-12

Systems and methods for accessing a furnace melt

 #61
20090129428
2009-05-21

COOLING DEVICE FOR USE IN AN ELECTRIC ARC FURNACE

 #62
20090090216
2009-04-09

Process for producing molten iron and apparatus for producing molten iron

 #63
20090014928
2009-01-15

Gas injection lance

 #64
20090004611
2009-01-01

LOW VELOCITY STAGED COMBUSTION FOR FURNACE ATMOSPHERE CONTROL

 #65
20080272527
2008-11-06

Apparatus for injecting gas into a vessel

 #66
20080265473
2008-10-30

Inducing swirl in a gas flow

 #67
20080258321
2008-10-23

Apparatus for injecting gas into a vessel

 #68
20080245189
2008-10-09

Apparatus for injecting solid particulate material into a vessel

 #69
20080237945
2008-10-02

Apparatus for injecting material into a vessel

 #70
20080111286
2008-05-15

Metallurgical vessel with fixing system

 #71
20070290419
2007-12-20

Metallurgical processing installation

 #72
20070211780
2007-09-13

Cooling device for use in an electric arc furnace

 #73
20070119966
2007-05-31

Inducing swirl in a gas flow

 #74
20070042312
2007-02-22

Industrial furnace

 #75
20070001353
2007-01-04

Systems and methods for accessing a furnace melt

 #76
20060119019
2006-06-08

Gas flushing device for metallurgical melting pots

 #77
20060108723
2006-05-25

Apparatus for injecting gas into a vessel

 #78
20060108722
2006-05-25

Apparatus for injecting gas into a vessel

 #79
20050110202
2005-05-26

Injection lance