Patents-Review.com
ClassID:

161330 ⎘

F27D1/1816 - CPC Classification

Classification description:

Casings; Linings; Walls; Roofs; Door frames; Doors, lids, removable covers; Removable covers Removable covers specially adapted for arc furnaces

Recent Application in this class:
#1
20200318905
2020-10-08

Split roof for a metallurgical furnace

 #2
20190063840
2019-02-28

Split roof for a metallurgical furnace

 #3
20190024980
2019-01-24

DUCT SYSTEM WITH INTEGRATED WORKING PLATFORMS

 #4
20180216888
2018-08-02

Top loading roof for electric arc, metallurgical or refining furnaces and system thereof

 #5
20170003075
2017-01-05

Refractory delta cooling system

 #6
20160123665
2016-05-05

Method of operating electric arc furnace

 #7
20160076149
2016-03-17

SUBSTRATE PROCESSING APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND FURNACE LID

 #8
20150139266
2015-05-21

Arc furnace

 #9
20140290026
2014-10-02

Method of manufacturing a slag discharge door

 #10
20140035209
2014-02-06

Ladle metallurgy furnace having improved roof

 #11
20140029643
2014-01-30

Roof for electric furnace

 #12
20130301669
2013-11-14

Industrial furnace cover

 #13
20130208755
2013-08-15

Lift and pivot device for a cover of a furnace and furnace system and method for charging and servicing such a furnace system

 #14
20120193844
2012-08-02

Ladle metallurgy furnace having improved roof

 #15
20120134384
2012-05-31

Electric arc furnace

 #16
20110243179
2011-10-06

Roof system for electric arc furnace and method for manufacturing the same

 #17
20090274190
2009-11-05

MELTING FURNACE, IN PARTICULAR ELECTRIC ARC FURNACE

 #18
20090168831
2009-07-02

ELECTRIC ARC FURNACE ROOF TOP AND CENTRAL PORTION FOR THIS ROOF TOP

 #19
20080128962
2008-06-05

Furnace cooling system and method

 #20
20070292817
2007-12-20

Refractory furnace covers and methods of constructing same

 #21
20060091590
2006-05-04

Furnace cooling system and method

 #22
15177890
2019-11-26

Fluid-cooled copper lid for arc furnace