ClassID:

159249

F25B2309/1424 - CPC Classification

Classification description:

Gas cycle refrigeration machines; Compression machines, plants or systems characterised by the cycle used  Pulse tubes with basic schematic including an orifice and a reservoir

Sub-classes:
Recent Application in this class:
#1
20250207824
2025-06-26

CRYOCOOLING SYSTEM

#2
20240271834
2024-08-15

DYNAMIC ACOUSTIC IMPEDANCE MATCHING FOR CRYOCOOLERS

#3
20220221198
2022-07-14

Asynchronous drive of cryocooling systems for low temperature applications

#4
20160245553
2016-08-25

Multistage pulse tube coolers

#5
20130283823
2013-10-31

Multistage pulse tube coolers

#6
20130081411
2013-04-04

Cryogenic refrigerator

#7
20130025841
2013-01-31

Passive phase change cooling device

#8
20110173995
2011-07-21

PULSE TUBE REFRIGERATOR

#9
20110100024
2011-05-05

Multistage pulse tube coolers

#10
20110100023
2011-05-05

Variable phase shift devices for pulse tube coolers

#11
20110100022
2011-05-05

Phase shift devices for pulse tube coolers

#12
20090249797
2009-10-08

Thermoacoustic refrigerators and engines comprising cascading stirling thermodynamic units

#13
20090084116
2009-04-02

Gas phase shifting multistage displacer cryocooler

#14
20090084115
2009-04-02

Controlled and variable gas phase shifting cryocooler

#15
20090084114
2009-04-02

Gas phase shifting inertance gap pulse tube cryocooler

#16
20080276626
2008-11-13

Vibration-inhibiting reinforcement member for a cryocooler

#17
20080229760
2008-09-25

Multi-stage pulse tube cryocooler with acoustic impedance constructed to reduce transient cool down time and thermal loss

#18
20080223579
2008-09-18

Cooling Systems for Downhole Tools

#19
20080173026
2008-07-24

Regenerative cryocooler, cylinder used for the regenerative cryocooler, cryopump, recondensing apparatus, superconducting magnet apparatus, and semiconductor detecting apparatus

#20
20080092588
2008-04-24

Reduced input power cryogenic refrigerator

#21
20080072608
2008-03-27

Control method for pulse tube cryocooler

#22
20080072607
2008-03-27

Densifier for simultaneous conditioning of two cryogenic liquids

#23
20070249682
2007-10-25

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

#24
20070119189
2007-05-31

Three track valve for cryogenic refrigerator

#25
20070095074
2007-05-03

Acoustic cooling device with coldhead and resonant driver separated

#26
20070056297
2007-03-15

Low vibration cryocooler

#27
20060277925
2006-12-14

Pulse tube refrigerator

#28
20060254286
2006-11-16

Solid state cryocooler

#29
20060225435
2006-10-12

Cryocooler with grooved flow straightener

#30
20060225434
2006-10-12

Cryocooler assembly with screened regenerator

#31
20060090478
2006-05-04

Cryocooler operation with getter matrix

#32
20050257534
2005-11-24

Method for operating a cryocooler using on line contaminant monitoring

#33
20050210889
2005-09-29

Method for operating a cryocooler using temperature trending monitoring

#34
20050210888
2005-09-29

Cooling load enclosed in pulse tube cooler

#35
20050210886
2005-09-29

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

#36
20050198970
2005-09-15

Low frequency pulse tube system with oil-free drive

#37
20050044860
2005-03-03

Pulse tube refrigerating machine

#38
20050022540
2005-02-03

Heat driven acoustic orifice type pulse tube cryocooler

#39
20050011200
2005-01-20

Panels for pulse tube cryopump

#40
20050005617
2005-01-13

Method for providing refrigeration using capillary pumped liquid