Patents-Review.com
ClassID:

160931 ⎘

F27B3/20 - 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 heating devices

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

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

 #2
20250172338
2025-05-29

HYBRID RECYCLING FURNACE USING IMMERSION MELTING EQUIPMENT

 #3
20240280321
2024-08-22

IMPROVED HYBRID SMELTING SYSTEM

 #4
20240210112
2024-06-27

INDUCTION COILS AS NON-CONTACT TEMPERATURE BOOSTERS AND FLOW BOOSTERS FOR FERROUS AND NON-FERROUS MATERIALS IN A FURNACE

 #5
20240183614
2024-06-06

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

 #6
20240077256
2024-03-07

HIGH-EFFICIENCY PHOTONIC FURNACES FOR METAL PRODUCTION

 #7
20230202898
2023-06-29

MANUFACTURING OF CONTINUOUS MINERAL FIBERS

 #8
20220389536
2022-12-08

PLASMA INDUCED FUMING FURNACE

 #9
20210147958
2021-05-20

Support device for radiant tubes

 #10
20200355435
2020-11-12

Melting furnace with simultaneously rotatable and movable electrode rod

 #11
20200325055
2020-10-15

MANUFACTURING OF CONTINUOUS MINERAL FIBERS

 #12
20200172421
2020-06-04

MANUFACTURING OF CONTINUOUS MINERAL FIBERS

 #13
20200079674
2020-03-12

MANUFACTURING OF CONTINUOUS MINERAL FIBERS

 #14
20190352208
2019-11-21

MANUFACTURING OF CONTINUOUS MINERAL FIBERS

 #15
20190331423
2019-10-31

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

 #16
20190285346
2019-09-19

ELECTRODE SEAL FOR USE IN A METALLURGICAL FURNACE

 #17
20190255605
2019-08-22

Immersion-type burner heater and molten-metal holding furnace

 #18
20190056177
2019-02-21

Furnace

 #19
20180124877
2018-05-03

Molten metal holding furnace

 #20
20180070410
2018-03-08

Heater protective tube for molten metal holding furnace

 #21
20180022628
2018-01-25

MANUFACTURING OF CONTINUOUS MINERAL FIBERS

 #22
20170227289
2017-08-10

Thermoplastic kettle auxiliary heat exchanger system

 #23
20170038146
2017-02-09

Immersion heater for molten metal

 #24
20170030646
2017-02-02

Metallurgical furnace

 #25
20160376673
2016-12-29

Asbestos processing

 #26
20160265097
2016-09-15

Molten metal plating furnace, system for producing and method for producing plated product, and metal plated steel tube obtained by means of said method for producing

 #27
20160208350
2016-07-21

SMELTING APPARATUS AND METHOD OF USING THE SAME

 #28
20160003543
2016-01-07

AN END PORT REGENERATIVE FURNACE

 #29
20150344983
2015-12-03

Fixed-type electric furnace and molten steel production method

 #30
20150323256
2015-11-12

Immersion heater for molten metal

 #31
20150098484
2015-04-09

Tapping device and method using induction heat for melt

 #32
20140319118
2014-10-30

Fiber oxidation oven with multiple independently controllable heating systems

 #33
20140193762
2014-07-10

HEAT TREATMENT FURNACE

 #34
20140185645
2014-07-03

Method for operating an electric arc furnace and melting plant having an electric arc furnace operated according to said method

 #35
20130279533
2013-10-24

Melting furnace including wire-discharge ion plasma electron emitter

 #36
20130106035
2013-05-02

Gas blowing nozzle

 #37
20130056915
2013-03-07

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

 #38
20130032978
2013-02-07

Burner Gland For An Electric Arc Furnace

 #39
20130004908
2013-01-03

METHOD FOR PRODUCING SILICON AND JIG

 #40
20120200014
2012-08-09

Apparatus for injecting gas into a vessel

 #41
20120140788
2012-06-07

Electrode holder assembly and furnace comprising same

 #42
20120140786
2012-06-07

Method and furnace for melting steel scrap

 #43
20120137736
2012-06-07

GLASS-MELTING FURNACE, PROCESS FOR PRODUCING MOLTEN GLASS, APPARATUS FOR PRODUCING GLASS PRODUCTS AND PROCESS FOR PRODUCING GLASS PRODUCTS

 #44
20110203413
2011-08-25

Process and equipment for the treatment of loads or residues of non-ferrous metals and their alloys

 #45
20110203412
2011-08-25

Method and furnace for melting steel scrap

 #46
20110148012
2011-06-23

Immersion heater for molten metal

 #47
20110068522
2011-03-24

Apparatus for injecting gas into a vessel

 #48
20110024956
2011-02-03

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

 #49
20110005351
2011-01-13

Method for treating spheroidal graphite iron and pouring device thereof

 #50
20100263484
2010-10-21

SMELTING FURNACE

 #51
20100252967
2010-10-07

Injector for arc furnace

 #52
20100175506
2010-07-15

TOUGHENED GRAPHITE ELECTRODES FOR ELECTRIC ARC FURNACES

 #53
20100162850
2010-07-01

Carbothermic aluminum production apparatus, systems and methods

 #54
20100012629
2010-01-21

Ion plasma electron emitters for a melting furnace

 #55
20090256292
2009-10-15

Adjustable feed chute and associated method of feeding and melting

 #56
20090139371
2009-06-04

Carbothermic aluminum production apparatus, systems and methods

 #57
20090010299
2009-01-08

Apparatus for Adjusting an Electrode for a Metallurgical Furnace

 #58
20090004611
2009-01-01

LOW VELOCITY STAGED COMBUSTION FOR FURNACE ATMOSPHERE CONTROL

 #59
20080272527
2008-11-06

Apparatus for injecting gas into a vessel

 #60
20080265473
2008-10-30

Inducing swirl in a gas flow

 #61
20080258321
2008-10-23

Apparatus for injecting gas into a vessel

 #62
20080245189
2008-10-09

Apparatus for injecting solid particulate material into a vessel

 #63
20080237945
2008-10-02

Apparatus for injecting material into a vessel

 #64
20080237200
2008-10-02

Melting furnace including wire-discharge ion plasma electron emitter

 #65
20080234122
2008-09-25

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

 #66
20080206698
2008-08-28

Dynamic Expanding Application Technology

 #67
20080202287
2008-08-28

Process and equipment for the treatment of loads or residues of non-ferrous metals and their alloys

 #68
20080202061
2008-08-28

Direct smelting plant

 #69
20080106830
2008-05-08

AC melt to bushing current detector

 #70
20070290419
2007-12-20

Metallurgical processing installation

 #71
20070163387
2007-07-19

Method and apparatus for preheating and feeding material

 #72
20070006989
2007-01-11

Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes

 #73
20060162386
2006-07-27

Sealed device for preventing exhaust gas leakage

 #74
20050145064
2005-07-07

Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes

 #75
20050012252
2005-01-20

Cold hearth and skull for refining metals which seal together to prevent overflow of molten metal therebetween