ClassID:

161491

F27D2007/063 - CPC Classification

Classification description:

Forming, maintaining, or circulating atmospheres in heating chambers; Forming or maintaining special atmospheres or vacuum within heating chambers Special atmospheres, e.g. high pressure atmospheres

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

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

#2
20260040865
2026-02-05

HIGH-PRESSURE ANNEALING DEVICE

#3
20250388997
2025-12-25

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

#4
20250129449
2025-04-24

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

#5
20240280322
2024-08-22

APPARATUS AND METHOD FOR METALLURGICAL HEAT-TREATMENT

#6
20240279775
2024-08-22

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

#7
20240263881
2024-08-08

METHOD FOR HEATING A FURNACE

#8
20240242982
2024-07-18

SEMICONDUCTOR HIGH PRESSURE ANNEALING DEVICE

#9
20240227022
2024-07-11

APPARATUS AND METHOD TO MANAGE TEMPERATURE AND STRESS IN A PART DURING ADDITIVE MANUFACTURING

#10
20230378427
2023-11-23

Furnace atmosphere control for lithium-ion battery cathode material production

#11
20230349638
2023-11-02

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

#12
20230349026
2023-11-02

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

#13
20230313340
2023-10-05

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

#14
20230257302
2023-08-17

PARALLEL-FLOW REGENERATIVE SHAFT KILN AND METHOD FOR CALCINING CARBONATE ROCK

#15
20230213282
2023-07-06

Method and apparatus for hardening mold grids using clamp quenching

#16
20230204288
2023-06-29

HIGH PRESSURE HEAT TREATMENT APPARATUS

#17
20230194174
2023-06-22

GAS MANAGEMENT ASSEMBLY FOR HIGH PRESSURE HEAT-TREATMENT APPARATUS

#18
20230183826
2023-06-15

Seal gas optimization systems and methods for a direct reduction process

#19
20230105323
2023-04-06

High Pressure Furnace and Methods of Use

#20
20220359858
2022-11-10

Furnace atmosphere control for lithium-ion battery cathode material production

#21
20220259685
2022-08-18

SEALING A REDUCTION ASSEMBLY

#22
20220074664
2022-03-10

Rotary tube kiln

#23
20220026061
2022-01-27

METHODS AND SYSTEMS FOR RADIOFREQUENCY PLASMA PLUME GENERATION

#24
20210395843
2021-12-23

Seal gas optimization systems and methods for a direct reduction process

#25
20210381769
2021-12-09

Carbon fiber, carbon composite and furnace purification by hydrogen reduction followed by thermal heat treatment

#26
20210316263
2021-10-14

System for chemical transformation of 3D state materials

#27
20200363129
2020-11-19

Method for treating pourable, inorganic grain, and rotary tube suitable for performing the method

#28
20200234986
2020-07-23

Combination vacuum and over-pressure process chamber and methods related thereto

#29
20200103170
2020-04-02

Conveying a material to be conveyed

#30
20200083078
2020-03-12

Substrate processing apparatus and purging method

#31
20190293354
2019-09-26

Carbon fiber, carbon composite and furnace purification by hydrogen reduction followed by thermal heat treatment

#32
20190218147
2019-07-18

Method of producing fired ceramic article and method of firing ceramic green body

#33
20190170442
2019-06-06

Pressure-Regulated Melting of Solids with a Melting Device

#34
20190170441
2019-06-06

Pressure-Regulated Melting of Solids with Warm Fluids

#35
20190170440
2019-06-06

Pressure-Regulated Melting of Solids

#36
20190024990
2019-01-24

HEAT EXCHANGER HAVING ENHANCED CORROSION RESISTANCE

#37
20180308732
2018-10-25

Combination vacuum and over-pressure process chamber and methods related thereto

#38
20180209740
2018-07-26

Laminar flow shrink oven

#39
20180195721
2018-07-12

Hot surface igniters and methods of making same

#40
20180172353
2018-06-21

Melting plant and method

#41
20180142339
2018-05-24

Method and device for reaction control

#42
20180051356
2018-02-22

METHOD OF PRODUCING GALVANNEALED STEEL SHEET

#43
20170320131
2017-11-09

Unit Cell Titanium Casting

#44
20170254592
2017-09-07

THERMAL TREATMENT DEVICE

#45
20170211884
2017-07-27

NON-OXIDATION HEAT TREATMENT SYSTEM HAVING INTERNAL RX GAS GENERATOR

#46
20170160012
2017-06-08

SEMICONDUCTOR ANNEALING APPARATUS

#47
20170131031
2017-05-11

Combined fan and ejector cooling

#48
20160370116
2016-12-22

PROCESS FOR HEAT TREATING A SAPPHIRE COMPONENT

#49
20160348976
2016-12-01

Airflow in autoclaves

#50
20160348199
2016-12-01

Pneumatic ore charging

#51
20160177418
2016-06-23

Refining device and refining method for titanium scraps and sponge titanium using deoxidising gas

#52
20160160318
2016-06-09

System and method for adding molten lithium to a molten aluminium melt

#53
20160146537
2016-05-26

Installation for treating a material

#54
20160109125
2016-04-21

Hot surface igniters and methods of making same

#55
20160102914
2016-04-14

Modular heat treatment system

#56
20150361521
2015-12-17

Continuous annealing device and continuous hot-dip galvanising device for steel strip

#57
20150361520
2015-12-17

Continuous annealing device and continuous hot-dip galvanising device for steel strip

#58
20150251961
2015-09-10

Critical chamber component surface improvement to reduce chamber particles

#59
20150249025
2015-09-03

Semiconductor device manufacturing apparatus

#60
20150226499
2015-08-13

Heat Exchanger Having Enhanced Corrosion Resistance

#61
20150218057
2015-08-06

Ceramic article with reduced surface defect density

#62
20150206781
2015-07-23

Device and method for heat treating an object

#63
20150184941
2015-07-02

METHOD FOR PRODUCING CARBON FIBER BUNDLE AND HEATING FURNACE FOR CARBON FIBER PRECURSOR FIBER BUNDLE

#64
20150110705
2015-04-23

Carbon fiber precursor acrylic fiber bundle, method for thermally oxidizing part thereof, thermal oxidation oven, and process for producing carbon fiber bundle

#65
20150090182
2015-04-02

Continuous galvanizing line having an annealing furnace

#66
20150079528
2015-03-19

Pressing arrangement for treating substances

#67
20150072297
2015-03-12

Method for Heating an Industrial Furnace and a Heating Apparatus for Carrying Out Said Method

#68
20150036714
2015-02-05

Furnace combustion tube and mounting assembly

#69
20150036713
2015-02-05

Combustion tube and seal assembly

#70
20150034829
2015-02-05

Intrinsic reflectors of scintillation detector elements and formation process of intrinsic reflectors

#71
20150023383
2015-01-22

Cylindrical combustion tube and mounting assembly

#72
20150010877
2015-01-08

HIGH PRESSURE CONTAINER

#73
20140366993
2014-12-18

Method of carburizing

#74
20140357893
2014-12-04

RECOVERY FROM ROCK STRUCTURES AND CHEMICAL PRODUCTION USING HIGH ENTHALPY COLLIDING AND REVERBERATING SHOCK PRESSURE WAVES

#75
20140342297
2014-11-20

Nozzle Device for a Furnace for Heat Treating a Steel Flat Product and Furnace Equipped with such a Nozzle Device

#76
20140322632
2014-10-30

ELECTRODE FOR ELECTROCHEMISTRY AND MANUFACTURING METHOD FOR THE SAME

#77
20140294655
2014-10-02

Method and device for preparing a sintered Nd—Fe—B permanent magnet

#78
20140030667
2014-01-30

Welding furnace and viewport assembly

#79
20130216783
2013-08-22

Ceramic article with reduced surface defect density and process for producing a ceramic article

#80
20110075696
2011-03-31

Easily removable combustion tube

#81
20080023892
2008-01-31

Device and Method for Heat Treating, in Particular, Metallic Workpieces

#82
17863377
2023-04-04

Method and system for doping semiconductor materials

#83
15662312
2019-10-08

Base component for a thermoprocessing system, a thermoprocessing system, and a thermoprocessing method