ClassID:

159246

F25B2309/1421 - CPC Classification

Classification description:

Gas cycle refrigeration machines; Compression machines, plants or systems characterised by the cycle used  Pulse-tube cycles characterised by details not otherwise provided for

Recent Application in this class:
#1
20220290902
2022-09-15

Cryocooler

#2
20210207853
2021-07-08

Pulse tube cryocooler and method of manufacturing pulse tube cryocooler

#3
20200003459
2020-01-02

GM cryocooler with buffer volume communicating with drive chamber

#4
20190277542
2019-09-12

GM cryocooler

#5
20150354861
2015-12-10

Stirling-type pulse tube refrigerator

#6
20150168026
2015-06-18

Regenerative refrigerator

#7
20130291565
2013-11-07

Pulse tube refrigerator and regenerative refrigerator

#8
20110100023
2011-05-05

Variable phase shift devices for pulse tube coolers

#9
20090241556
2009-10-01

Pulse tube refrigerator and regenerative refrigerator

#10
20080276626
2008-11-13

Vibration-inhibiting reinforcement member for a cryocooler

#11
20080256958
2008-10-23

Pulse tube cryocooler

#12
20080173026
2008-07-24

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

#13
20080173025
2008-07-24

Reduced volume gas spring or surge tank for cryocooler

#14
20070157632
2007-07-12

Pulse tube cryogenic cooler

#15
20070119191
2007-05-31

Pulse tube cryogenic cooler

#16
20070119190
2007-05-31

Pulse tube cryogenic cooler

#17
20070022761
2007-02-01

Superconducting magnet system with radiation shield disposed between the cryogenic fluid tank and a refrigerator

#18
20060254286
2006-11-16

Solid state cryocooler

#19
20060225435
2006-10-12

Cryocooler with grooved flow straightener

#20
20060225434
2006-10-12

Cryocooler assembly with screened regenerator

#21
20060207265
2006-09-21

Recondensing service neck for cryostat

#22
20060174635
2006-08-10

Multi-stage pulse tube with matched temperature profiles

#23
20060090478
2006-05-04

Cryocooler operation with getter matrix

#24
20060026968
2006-02-09

Cryopump with two-stage pulse tube refrigerator

#25
20050268641
2005-12-08

Cryorefrigerator contaminant removal

#26
20050257534
2005-11-24

Method for operating a cryocooler using on line contaminant monitoring

#27
20050210889
2005-09-29

Method for operating a cryocooler using temperature trending monitoring

#28
20050210888
2005-09-29

Cooling load enclosed in pulse tube cooler