ClassID:

144087

F04D19/044 - CPC Classification

Classification description:

Axial-flow pumps; Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps Holweck-type pumps

Recent Application in this class:
#1
20240337266
2024-10-10

VACUUM PUMP AND INSULATION MEMBER FOR USE IN VACUUM PUMP

#2
20240011496
2024-01-11

VACUUM PUMP

#3
20230417250
2023-12-28

Vacuum pump

#4
20230250826
2023-08-10

Vacuum pump and vacuum pump rotor blade

#5
20220316485
2022-10-06

Vacuum pump including a cover, covering the base with an air insulating layer

#6
20220299036
2022-09-22

Drag pump

#7
20220260080
2022-08-18

Vacuum thread-groove pump with thread exhaust channels

#8
20220235776
2022-07-28

Vacuum pump and stator component of thread groove pump portion of the vacuum pump

#9
20220228594
2022-07-21

Vacuum pump and linked-type thread groove spacer

#10
20210088049
2021-03-25

VACUUM PUMP SYSTEM

#11
20200378857
2020-12-03

Vacuum pump and leak detector

#12
20200355190
2020-11-12

VACUUM PUMPING ARRANGEMENT

#13
20200332811
2020-10-22

Vacuum pump, and stator component, discharge port, and control means used therein

#14
20200332801
2020-10-22

Vacuum pump system

#15
20200271118
2020-08-27

Drag pump and a set of vacuum pumps including a drag pump

#16
20190285090
2019-09-19

Turbomolecular pump deposition control and particle management

#17
20190242386
2019-08-08

Vacuum pump with control device in relation to outer cylinder

#18
20190195238
2019-06-27

Vacuum pump and rotating cylindrical body included in vacuum pump

#19
20190120237
2019-04-25

Vacuum pump with heat generation element in relation to housing

#20
20180335052
2018-11-22

Vacuum pump

#21
20180283400
2018-10-04

Vacuum pump

#22
20180283386
2018-10-04

Vacuum pump

#23
20180128280
2018-05-10

ROTOR AND VACUUM PUMP EQUIPPED WITH SAME

#24
20180023577
2018-01-25

Vacuum pump lubricant supply systems

#25
20170074283
2017-03-16

Vacuum pump and mass spectrometer

#26
20170002832
2017-01-05

Vacuum pump

#27
20160365234
2016-12-15

Vacuum pump and mass spectrometer

#28
20160348695
2016-12-01

Vacuum pump and heat insulating spacer used in vacuum pump

#29
20160222971
2016-08-04

Thread groove pump mechanism, vacuum pump including thread groove pump mechanism, and rotor, outer circumference side stator, and inner circumference side stator used in thread groove pump mechanism

#30
20160160877
2016-06-09

Vacuum pump

#31
20160138602
2016-05-19

Vacuum pump

#32
20160025096
2016-01-28

Vacuum pump

#33
20150377239
2015-12-31

VACUUM PUMP

#34
20150345494
2015-12-03

Vacuum pump and method of manufacturing vacuum pump

#35
20150275914
2015-10-01

Vacuum pump

#36
20150240829
2015-08-27

Rotor and vacuum pump equipped with same

#37
20150240822
2015-08-27

Stator-side member and vacuum pump

#38
20150226229
2015-08-13

Turbo-molecular pump

#39
20150219116
2015-08-06

Turbo-molecular pump

#40
20150184666
2015-07-02

Vacuum pump

#41
20150176601
2015-06-25

Vacuum pump

#42
20150167679
2015-06-18

VACUUM PUMP

#43
20150037137
2015-02-05

Gas transfer vacuum pump

#44
20150030475
2015-01-29

Vacuum pump

#45
20140369807
2014-12-18

Vacuum pump

#46
20140314554
2014-10-23

Stator element for a holweck pump stage, vacuum pump having a holweck pump stage and method of manufacturing a stator element for a holweck pump stage

#47
20140294565
2014-10-02

Vacuum pump with fiber-reinforced resin cylinder

#48
20140125171
2014-05-08

Apparatus for kinetic energy storage having a flywheel with pump-active surfaces

#49
20140072408
2014-03-13

Vacuum pump having fastening element for securing rotor part to rotor shaft and deformed safety element projecting in axial direction for preventing relative rotation between the rotor part and rotor shaft

#50
20140050607
2014-02-20

Vacuum pump and rotor thereof

#51
20130243583
2013-09-19

Vacuum pump

#52
20130170955
2013-07-04

Exhaust pump

#53
20130164124
2013-06-27

Exhaust pump

#54
20130149105
2013-06-13

Turbo-molecular pump

#55
20130115094
2013-05-09

Vacuum pump

#56
20130058782
2013-03-07

Vacuum pump

#57
20120201696
2012-08-09

Vacuum pump

#58
20110286864
2011-11-24

Multiple inlet vacuum pumps

#59
20110200423
2011-08-18

Vacuum pump

#60
20100021324
2010-01-28

Vacuum pump

#61
20090035123
2009-02-05

Vacuum pump

#62
20080260518
2008-10-23

Holweck Vacuum Pump

#63
20080206041
2008-08-28

Drag Vacuum Pump

#64
20080193303
2008-08-14

Multi-stage vacuum pumping arrangement

#65
20080138219
2008-06-12

Vacuum pump

#66
20070274822
2007-11-29

Vacuum Pump

#67
20070116555
2007-05-24

Vacuum pump

#68
20070071992
2007-03-29

Coating

#69
20060140795
2006-06-29

Vacuum pumping arrangement

#70
20050226739
2005-10-13

Combined vacuum pump load-lock assembly

#71
20050220607
2005-10-06

Evacuating device