ClassID:

159228

F25B2309/1402 - CPC Classification

Classification description:

Gas cycle refrigeration machines; Compression machines, plants or systems characterised by the cycle used  Pulse-tube cycles with acoustic driver

Recent Application in this class:
#1
20260055934
2026-02-26

Thermoacoustic device

#2
20240271836
2024-08-15

Thermoacoustic device

#3
20230133558
2023-05-04

Thermoacoustic device

#4
20200355408
2020-11-12

Thermoacoustic device with diaphragm structure

#5
20190226381
2019-07-25

Energy conversion device

#6
20170290359
2017-10-12

CRYOGENIC FOOD PREPARATION SYSTEM

#7
20160231028
2016-08-11

Thermoacoustic heating device

#8
20160084239
2016-03-24

Heat/acoustic wave conversion component and heat/acoustic wave conversion unit

#9
20160084238
2016-03-24

Heat/acoustic wave conversion component and heat/acoustic wave conversion unit

#10
20160084237
2016-03-24

Heat/acoustic wave conversion component and heat/acoustic wave conversion unit

#11
20160084198
2016-03-24

Heat/acoustic wave conversion unit

#12
20150253043
2015-09-10

Thermoacoustic energy converting element part and thermoacoustic energy converter

#13
20120102976
2012-05-03

Pulse tube cryocooler modulating phase via inertance tube and acoustic power amplifier thereof

#14
20110265505
2011-11-03

Optimization of a thermoacoustic apparatus based on operating conditions and selected user input

#15
20110265493
2011-11-03

Thermoacoustic apparatus with series-connected stages

#16
20110252810
2011-10-20

STANDING WAVE THERMOACOUSTIC PIEZOELECTRIC REFRIGERATOR

#17
20110146302
2011-06-23

CRYOGENIC HEAT EXCHANGER FOR THERMOACOUSTIC REFRIGERATION SYSTEM

#18
20100223934
2010-09-09

Thermoacoustic Refrigerator For Cryogenic Freezing

#19
20090282838
2009-11-19

Method, apparatus, and system for cooling an object

#20
20080276625
2008-11-13

Acoustic power transmitting unit for thermoacoustic systems

#21
20080060364
2008-03-13

Thermoacoustic device with suppressor

#22
20060137362
2006-06-29

Radial high energy acoustic device and the applied thermoacoutic device

#23
20050210888
2005-09-29

Cooling load enclosed in pulse tube cooler

#24
20050109042
2005-05-26

High frequency thermoacoustic refrigerator