ClassID:

142942

F04B37/04 - CPC Classification

Classification description:

Pumps having pertinent characteristics not provided for in, or of interest apart from, groups  -  for evacuating by absorption or adsorption Selection of specific absorption or adsorption materials

Recent Application in this class:
#1
20260043396
2026-02-12

High capacity hydrogen getter assemblies

#2
20250137445
2025-05-01

VACUUM GETTER PUMP WITH THERMO-SEDIMENTATIONAL ACTIVATION

#3
20240290569
2024-08-29

MODULAR GETTERS AND GETTERS WITH DIFFERENT MATERIALS IN VACUUM ENCLOSURES

#4
20220262609
2022-08-18

Vacuum cell configured for reduced inner chamber helium permeation

#5
20220034327
2022-02-03

Vacuum component and evacuation method using the same

#6
20210220822
2021-07-22

PASSIVE PUMPS FOR MICROFLUIDIC DEVICES

#7
20200332783
2020-10-22

Hydrogen compressor with metal hydride

#8
20200206728
2020-07-02

Method of designing a low-pressure chamber

#9
20200149519
2020-05-14

NON-EVAPORABLE GETTER COATED COMPONENT AND CHAMBER, MANUFACTURING METHOD AND MANUFACTURING APPARATUS

#10
20200011313
2020-01-09

Electrochemical hydrogen pump

#11
20190348247
2019-11-14

ACTIVATIONLESS GETTERS AND METHOD OF THEIR INSTALLATION INTO VACUUM INSULATED GLAZING

#12
20190309408
2019-10-10

VACUUM DEVICE AND METHOD FOR COATING COMPONENTS OF A VACUUM DEVICE

#13
20190051504
2019-02-14

Sintered non-porous cathode and sputter ion vacuum pump containing the same

#14
20180306175
2018-10-25

MAGNETIC FOCUSING IN AN ION PUMP USING INTERNAL FERROUS MATERIALS

#15
20180298793
2018-10-18

Method and device for manufacturing metallic-sodium-filled engine valve

#16
20180233337
2018-08-16

Cold-matter system having integrated pressure regulator

#17
20180207632
2018-07-26

Low-pressure chamber providing preset air pressure

#18
20180068836
2018-03-08

Ion trajectory manipulation architecture in an ion pump

#19
20170065973
2017-03-09

Passive pumps for microfluidic devices

#20
20140373558
2014-12-25

Nano-materials for adhesive-free adsorbers for bakable extreme high vacuum cryopump surfaces

#21
20140369856
2014-12-18

Getter pump

#22
20140283531
2014-09-25

Cryopump and method for vacuum pumping non-condensable gas

#23
20130343930
2013-12-26

Compressor and vacuum machine

#24
20130343925
2013-12-26

Compressor and vacuum machine

#25
20130323087
2013-12-05

Compressor and method for compressing technical gases

#26
20130078113
2013-03-28

SORPTION PUMP WITH MECHANICAL ACTIVATION OF GETTER MATERIAL AND PROCESS FOR CAPTURING OF ACTIVE GASES

#27
20130025585
2013-01-31

GETTER SYSTEM FOR HYDROGEN SENSITIVE DEVICES

#28
20110302932
2011-12-15

Multi Stage Hydrogen Compression & Delivery System for Internal Combustion Engines Utilizing Working Fluid

#29
20070205720
2007-09-06

Getter device

#30
20060064990
2006-03-30

High conductance cryopump for type III gas pumping

#31
20050072356
2005-04-07

Easily loaded and unloaded getter device for reducing evacuation time and contamination in a vacuum chamber and method for use of same

#32
14828812
2016-01-26

Magnetically coupled expander pump with axial flow path

#33
14538568
2018-05-01

Cold-matter system having ion pump integrated with channel cell