F25B2309/1427 - CPC Classification Index

ClassID:

159253 ⎘

F25B2309/1427 - CPC Classification

Classification description:

Gas cycle refrigeration machines; Compression machines, plants or systems characterised by the cycle used Control of a pulse tube

Recent Application in this class:

20250207824

2025-06-26

CRYOCOOLING SYSTEM

20240271834

2024-08-15

DYNAMIC ACOUSTIC IMPEDANCE MATCHING FOR CRYOCOOLERS

20240142149

2024-05-02

CRYOCOOLER AND METHOD FOR OPERATING CRYOCOOLER

20230228472

2023-07-20

CRYOCOOLER AND MONITORING METHOD FOR CRYOCOOLER

20220146166

2022-05-12

Cryocooler and starting method of cryocooler

20210310710

2021-10-07

Noise reduction method

20200355408

2020-11-12

Thermoacoustic device with diaphragm structure

20190277541

2019-09-12

Cryocooler and control device of cryocooler

20190011169

2019-01-10

Movable platen cooling apparatus and movable platen cooling system

#10

20150047377

2015-02-19

Monitoring method and cooling system

#11

20140245757

2014-09-04

Apparatus and method for controlling a cryogenic cooling system

#12

20090151803

2009-06-18

Hybrid spool valve for multi-port pulse tube

#13

20080072608

2008-03-27

Control method for pulse tube cryocooler

#14

20060026968

2006-02-09

Cryopump with two-stage pulse tube refrigerator

#15

20050210886

2005-09-29

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