ClassID:

159243

F25B2309/1418 - CPC Classification

Classification description:

Gas cycle refrigeration machines; Compression machines, plants or systems characterised by the cycle used  Pulse-tube cycles with valves in gas supply and return lines

Sub-classes:
Recent Application in this class:
#1
20260022871
2026-01-22

GAS-DRIVEN CRYOCOOLER

#2
20250207824
2025-06-26

CRYOCOOLING SYSTEM

#3
20240271834
2024-08-15

DYNAMIC ACOUSTIC IMPEDANCE MATCHING FOR CRYOCOOLERS

#4
20240191913
2024-06-13

PULSE TUBE CRYOCOOLER AND METHOD FOR COOLING DOWN PULSE TUBE CRYOCOOLER

#5
20220107119
2022-04-07

Cryocooler and control method of cryocooler

#6
20220049878
2022-02-17

HYBRID DOUBLE-INLET VALVE FOR PULSE TUBE CRYOCOOLER

#7
20210404713
2021-12-30

Thermoacoustic refrigerator

#8
20210102734
2021-04-08

Cryocooler and flow path switching mechanism of cryocooler

#9
20210071916
2021-03-11

Active control alternating-direct flow hybrid mechanical cryogenic system

#10
20200378653
2020-12-03

Cryocooler

#11
20190226725
2019-07-25

Pulse tube cryocooler

#12
20190195538
2019-06-27

Pulse tube cryocooler and method of manufacturing pulse tube cryocooler

#13
20190162452
2019-05-30

Gas wave refrigerator

#14
20180031283
2018-02-01

Pulse-tube refrigerator

#15
20170138644
2017-05-18

Pulse tube cooler system with force-compensated rotary valve line

#16
20160123631
2016-05-05

Cryogenic refrigerator

#17
20160069593
2016-03-10

Pulse tube refrigerator

#18
20150233609
2015-08-20

CRYOGENIC REFRIGERATOR

#19
20150168026
2015-06-18

Regenerative refrigerator

#20
20140250920
2014-09-11

Pulse tube refrigerator

#21
20140238047
2014-08-28

Cryogenic refrigerator

#22
20130291566
2013-11-07

Pulse tube refrigerator with an automatic gas flow and phase regulating device

#23
20130291565
2013-11-07

Pulse tube refrigerator and regenerative refrigerator

#24
20130081411
2013-04-04

Cryogenic refrigerator

#25
20120304668
2012-12-06

Regenerator, GM type refrigerator and pulse tube refrigerator

#26
20120204579
2012-08-16

Regenerative refrigerator

#27
20110000226
2011-01-06

4-valve pulse tube cryocooler

#28
20090241556
2009-10-01

Pulse tube refrigerator and regenerative refrigerator

#29
20090173083
2009-07-09

Co-axial multi-stage pulse tube for helium recondensation

#30
20090084116
2009-04-02

Gas phase shifting multistage displacer cryocooler

#31
20090084115
2009-04-02

Controlled and variable gas phase shifting cryocooler

#32
20090084114
2009-04-02

Gas phase shifting inertance gap pulse tube cryocooler

#33
20080295524
2008-12-04

Pulse tube refrigerating machine

#34
20080256958
2008-10-23

Pulse tube cryocooler

#35
20080115520
2008-05-22

Rinsable cold head for a cryo refrigerator using the pulse tube principle

#36
20080092588
2008-04-24

Reduced input power cryogenic refrigerator

#37
20070249682
2007-10-25

Novel CD40:CD154 binding interruptor compounds and use thereof to treat immunological complications

#38
20070163272
2007-07-19

Compact integrated buffer for pulse tube refrigerator

#39
20070157632
2007-07-12

Pulse tube cryogenic cooler

#40
20070119191
2007-05-31

Pulse tube cryogenic cooler

#41
20070119190
2007-05-31

Pulse tube cryogenic cooler

#42
20070119189
2007-05-31

Three track valve for cryogenic refrigerator

#43
20070107445
2007-05-17

NMR apparatus with commonly cooled probe head and cryogenic container and method for the operation thereof

#44
20070024284
2007-02-01

Magnetic resonance apparatus with pressure reservoir

#45
20070000257
2007-01-04

Pulse tube refrigerating machine

#46
20060242968
2006-11-02

Cooling device

#47
20060174635
2006-08-10

Multi-stage pulse tube with matched temperature profiles

#48
20060144054
2006-07-06

Co-axial multi-stage pulse tube for helium recondensation

#49
20060026968
2006-02-09

Cryopump with two-stage pulse tube refrigerator

#50
20050257534
2005-11-24

Method for operating a cryocooler using on line contaminant monitoring

#51
20050210889
2005-09-29

Method for operating a cryocooler using temperature trending monitoring

#52
20050210886
2005-09-29

Methods for operating a pulse tube cryocooler system with mean pressure variations

#53
20050198970
2005-09-15

Low frequency pulse tube system with oil-free drive

#54
20050115247
2005-06-02

Fast warm up pulse tube

#55
20050050904
2005-03-10

Method for cooling an article using a cryocooler and cryocooler

#56
20050044860
2005-03-03

Pulse tube refrigerating machine

#57
20050005613
2005-01-13

Pulse tube refrigerator

#58
20050000232
2005-01-06

Pulse tube cooling by circulation of buffer gas