ClassID:

160915

F27B3/045 - CPC Classification

Classification description:

Hearth-type furnaces, e.g. of reverberatory type ; Tank furnaces of multiple-hearth type; of multiple-chamber type; Combinations of hearth-type furnaces Multiple chambers, e.g. one of which is used for charging

Recent Application in this class:
#1
20250383152
2025-12-18

METHOD FOR OPERATING ELECTRIC FURNACE

#2
20250377162
2025-12-11

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

#3
20250180292
2025-06-05

STACK MELTING APPARATUS

#4
20250093100
2025-03-20

ELECTRIC FURNACE

#5
20250060162
2025-02-20

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

#6
20240207926
2024-06-27

MOLTEN METAL CONTROLLED FLOW LAUNDER

#7
20240183616
2024-06-06

SCRAP METAL PUSH GATE ASSEMBLY

#8
20240118030
2024-04-11

TWO-CHAMBER FURNANCE FOR ALUMINUM RECYCLING

#9
20240066591
2024-02-29

SYSTEM AND METHOD TO FEED MOLD WITH MOLTEN METAL

#10
20240042519
2024-02-08

Smart molten metal pump

#11
20240011710
2024-01-11

VORTEX METAL INSERTION FURNACE CONTROL SYSTEM

#12
20240011122
2024-01-11

METHOD FOR THE RECOVERY OF ALUMINIUM FROM ALUMINIUM SCRAP, AND MULTICHAMBER MELTING FURNACE

#13
20230219132
2023-07-13

Molten metal transfer system and method

#14
20230001474
2023-01-05

Smart molten metal pump

#15
20220307768
2022-09-29

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

#16
20220234099
2022-07-28

System for melting solid metal

#17
20220193764
2022-06-23

Melting metal on a raised surface

#18
20220042742
2022-02-10

Melting and holding furnace

#19
20210310736
2021-10-07

Repositionable molten metal pump

#20
20210055052
2021-02-25

Melting furnace

#21
20200363128
2020-11-19

Method for melting solid metal

#22
20200362865
2020-11-19

System for melting solid metal

#23
20200360989
2020-11-19

Molten metal controlled flow launder

#24
20200360988
2020-11-19

Smart molten metal pump

#25
20200360987
2020-11-19

System and method to feed mold with molten metal

#26
20180261347
2018-09-13

Plasma furnace

#27
20180245852
2018-08-30

ELECTRIC IMMERSION ALUMINUM HOLDING FURNACE WITH CIRCULATION MEANS AND RELATED METHOD

#28
20180023894
2018-01-25

SYSTEM AND METHOD FOR MELTING LIGHT GAUGE METAL STOCK

#29
20170130298
2017-05-11

Nonferrous metal melting furnace and method for melting nonferrous metal

#30
20170122665
2017-05-04

Station and method for transferring a metal melt from a melting furnace to a transport crucible, and arrangement having such a station

#31
20160017446
2016-01-21

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

#32
20150323256
2015-11-12

Immersion heater for molten metal

#33
20150323255
2015-11-12

System and method for melting light gauge scrap

#34
20150259758
2015-09-17

Starting a smelting process

#35
20150175464
2015-06-25

Installation and method for melting glass

#36
20150115508
2015-04-30

Burning apparatus and method for manufacturing reduced iron using the same

#37
20150102536
2015-04-16

Impact resistant scrap submergence device

#38
20150042024
2015-02-12

Metal melting furnace

#39
20140319118
2014-10-30

Fiber oxidation oven with multiple independently controllable heating systems

#40
20140291899
2014-10-02

Apparatus for inducing flow in a molten material

#41
20140239560
2014-08-28

Method for controlling the suspension in a suspension smelting furnace, a suspension smelting furnace, and a concentrate burner

#42
20140232048
2014-08-21

Scrap submergence system

#43
20140210145
2014-07-31

Metal melting furnace vortex chamber body and metal melting furnace using the same

#44
20110133374
2011-06-09

Systems and methods for melting scrap metal

#45
20100236362
2010-09-23

Device for submerging material into liquid metal by an electromagnetic stirrer

#46
20100116453
2010-05-13

Integrated quiescent processing of melts

#47
20090249919
2009-10-08

Method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal

#48
20080302213
2008-12-11

Forehearth

#49
20080230966
2008-09-25

SCRAP MELTER AND IMPELLER THEREFORE

#50
20080202644
2008-08-28

Quiescent transfer of melts

#51
20080128964
2008-06-05

Taphole cooling structure

#52
20070175297
2007-08-02

Launder burner

#53
20070163387
2007-07-19

Method and apparatus for preheating and feeding material

#54
20070108674
2007-05-17

Controlled free vortex scrap ingester and molten metal pump

#55
20060273498
2006-12-07

Plant with rotating furnace for the melting without salt of aluminum with screening and recovery of the slags

#56
20060027953
2006-02-09

Metal melting furnace

#57
20050236747
2005-10-27

Process and apparatus for uniform combustion within a molten material