ClassID:

161492

F27D2007/066 - CPC Classification

Classification description:

Forming, maintaining, or circulating atmospheres in heating chambers; Forming or maintaining special atmospheres or vacuum within heating chambers Vacuum

Recent Application in this class:
#1
20260132987
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FURNACE TUBE AND USING METHOD THEREOF

#2
20260071820
2026-03-12

LOW-COST HIGH-PURITY VACUUM PUMPS AND SYSTEMS

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SYSTEMS, DEVICES, AND METHODS FOR PURIFYING ATMOSPHERE IN A VACUUM FURNACE

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

#5
20250230981
2025-07-17

DENTAL FURNACE

#6
20250129988
2025-04-24

METHOD OF HEAT-TREATING TUBING

#7
20240418446
2024-12-19

SEALING STRUCTURES AND VACUUM FURNACES

#8
20240328714
2024-10-03

FURNACE TUBE STRUCTURE, FURNACE REAR SEALING DEVICE, AND FURNACE

#9
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2024-05-16

HOT WALL BELL-TYPE FURNACES AND ASSOCIATED METHODS

#10
20230304741
2023-09-28

Magnetic annealing equipment and method

#11
20230250504
2023-08-10

CONTROLLED THERMAL COEFFICIENT PRODUCT SYSTEM AND METHOD

#12
20230223283
2023-07-13

HEATING APPARATUS FOR A SEMICONDUCTOR DEVICE, HEATING SYSTEM, AND SEMICONDUCTOR DEVICE

#13
20230111491
2023-04-13

SYSTEM FOR TREATING TIN SMELTING INTERMEDIATE MATERIALS AND METHOD FOR TREATING SAME

#14
20230083264
2023-03-16

DECARBURIZATION END POINT DETERMINATION METHOD, DECARBURIZATION END POINT DETERMINATION DEVICE, SECONDARY REFINING OPERATION METHOD FOR STEEL MAKING, AND METHOD FOR PRODUCING MOLTEN STEEL

#15
20230078751
2023-03-16

VOLUME HEAT TREATMENT METHOD AND RELATED SYSTEM

#16
20220316802
2022-10-06

Vacuum forming method

#17
20220276006
2022-09-01

Systems and methods for vacuum furnace post-processing

#18
20220236007
2022-07-28

NON-WATER COOLED CONSUMABLE ELECTRODE VACUUM ARC FURNACE FOR CONTINUOUS PROCESS

#19
20220228068
2022-07-21

PLASTIC PYROLYSIS/EMULSIFICATION SYSTEM

#20
20220154300
2022-05-19

Sensing and control of position of an electrical discharge

#21
20220065533
2022-03-03

SYSTEMS, DEVICES, AND METHODS FOR PURIFYING ATMOSPHERE IN A VACUUM FURNACE

#22
20210302100
2021-09-30

High-temperature all-metal induction furnace, intended to melt samples of minerals and/or rocks for extracting gases under ultra-high vacuum

#23
20210002739
2021-01-07

Controlled thermal coefficient product system and method

#24
20200399790
2020-12-24

Method and device for stabilizing precursor fibers for the production of carbon fibers

#25
20200355731
2020-11-12

Sensing and control of position of an electrical discharge

#26
20200300546
2020-09-24

Vacuum forming method

#27
20190219615
2019-07-18

Sensing and control of position of an electrical discharge

#28
20190107328
2019-04-11

Simplified and improved thermal efficiency vaccum furnace hot zone with prefabricated insulation assembly

#29
20180149430
2018-05-31

Furnace for dental prosthesis or partial dental prosthesis

#30
20180120029
2018-05-03

Systems and methods for controlling a vacuum arc remelting furnace based on power input

#31
20180080714
2018-03-22

High temperature vacuum furnace hot zone with improved thermal efficiency

#32
20180073110
2018-03-15

Method for making metal-carbon composites and compositions

#33
20180066891
2018-03-08

Precision dual annealing apparatus

#34
20180003441
2018-01-04

METHOD FOR MANUFACTURING A NICKEL-TITANIUM ALLOY USING A HIGH VACUUM CRUCIBLELESS LEVITATION MELTING PROCESS

#35
20180002782
2018-01-04

DEVICE AND METHOD FOR MANUFACTURING AN ACTIVE ALLOY

#36
20170363355
2017-12-21

Vacuum forming method

#37
20170320131
2017-11-09

Unit Cell Titanium Casting

#38
20170261262
2017-09-14

Pot furnace for calcining petroleum coke at low temperature

#39
20170254592
2017-09-07

THERMAL TREATMENT DEVICE

#40
20170239633
2017-08-24

Hydrogen, lithium, and lithium hydride production

#41
20170146296
2017-05-25

Method and apparatus for long furnace sublimation transfer

#42
20170074588
2017-03-16

VACUUM FURNACE WITH HEATING VESSEL IN MULTIPLE ORIENTATIONS AND METHOD THEREOF

#43
20170072461
2017-03-16

LASER SENSOR FOR MELT CONTROL OF HEARTH FURNACES AND THE LIKE

#44
20170001239
2017-01-05

Vacuum Melting and Casting Apparatus

#45
20160375487
2016-12-29

Automated bi-casting

#46
20160348203
2016-12-01

Controlled thermal coefficient product system and method

#47
20160250682
2016-09-01

Metal forming apparatus

#48
20160193653
2016-07-07

Forming a Metal Component

#49
20160177418
2016-06-23

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

#50
20160069615
2016-03-10

Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof

#51
20160067807
2016-03-10

DUAL ZONE FURNACE

#52
20160061526
2016-03-03

Magnetic annealing apparatus

#53
20160061525
2016-03-03

Magnetic annealing apparatus and magnetic annealing method

#54
20160057812
2016-02-25

Vacuum processing device

#55
20160053350
2016-02-25

MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION METHOD, HOLDING FURNACE, AND MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION EQUIPMENT USING HOLDING FURNACE

#56
20150334778
2015-11-19

High temperature vacuum furnace heater element support assembly

#57
20150308747
2015-10-29

Apparatus to control the total energy flux into the top ingot surface during vacuum arc remelting processes

#58
20150049781
2015-02-19

Center heating element for a vacuum heat treating furnace

#59
20150044622
2015-02-12

Heater moving type substrate processing apparatus

#60
20140203483
2014-07-24

Vacuum refining furnace

#61
20050034561
2005-02-17

Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall

#62
19088554
2026-02-17

Vacuum oven

#63
17863377
2023-04-04

Method and system for doping semiconductor materials

#64
16291370
2022-03-01

System and method for heat and pressure treatment

#65
15423673
2019-12-03

Method of producing a cast component