ClassID:

143648

F04C25/00 - CPC Classification

Classification description:

Adaptations of pumps for special use of pumps for elastic fluids

Sub-classes:
Recent Application in this class:
#1
20240384718
2024-11-21

POSITIVE DISPLACEMENT ROOTS BLOWER NOISE SUPPRESSION

#2
20240191714
2024-06-13

Element, device and method for compressing gas to be compressed having a low temperature

#3
20220325714
2022-10-13

Method for controlling the rotational speed of an electric motor driven compressor and control unit adapted to perform the method

#4
20220145885
2022-05-12

Positive displacement roots blower noise suppression

#5
20210332818
2021-10-28

Compressor for refrigerating machine

#6
20210301825
2021-09-30

Rotary fluid flow device

#7
20200248691
2020-08-06

SCROLL COMPRESSOR

#8
20190379256
2019-12-12

Fan arrangement with fan and toothed ring, and converter motor with fan arrangement

#9
20190271317
2019-09-05

Rotary fluid flow device

#10
20180209420
2018-07-26

Liquid ring pump

#11
20180154869
2018-06-07

Air compressor and extraneous-matter removing apparatus

#12
20180066873
2018-03-08

Compressor and refrigeration cycle apparatus

#13
20170333665
2017-11-23

Ventilation apparatus and uses thereof

#14
20170190322
2017-07-06

AIR COMPRESSOR AND RESERVIOIR FOR TOPPING OFF LOW PRESSURE TIRES

#15
20160327039
2016-11-10

Attachment structure for compressor

#16
20160273537
2016-09-22

Compressor and method for producing compressor

#17
20150192126
2015-07-09

ELECTRIC COMPRESSOR

#18
20150121877
2015-05-07

Compressor

#19
20140260969
2014-09-18

Pump with water management

#20
20140186195
2014-07-03

Tire inflation system

#21
20140093402
2014-04-03

Passive pressure regulation mechanism

#22
20140010680
2014-01-09

Energy extraction system

#23
20140003969
2014-01-02

Energy extraction system

#24
20140000756
2014-01-02

Passive pressure regulation mechanism

#25
20140000755
2014-01-02

Tire inflation system

#26
20130259715
2013-10-03

Microsystems for compressing or for converting a pressure difference into a displacement

#27
20130251553
2013-09-26

Tire inflation system

#28
20130251552
2013-09-26

Energy extraction system

#29
20130248022
2013-09-26

Suction duct with heat-staked screen

#30
20120087808
2012-04-12

LIQUID RING COMPRESSORS FOR SUBSEA COMPRESSION OF WET GASES

#31
20120068474
2012-03-22

Microsystems for converting pressures and compression

#32
20120067116
2012-03-22

Wheel with electromechanical conversion system

#33
20110174010
2011-07-21

Progressive cavity compressor having check valves on the discharge endplate

#34
20110073081
2011-03-31

Supercharger cooling

#35
20110052390
2011-03-03

SLUDGE REACTOR PUMP FOR SIMULTANEOUSLY CONVEYING SOLIDS, LIQUIDS, VAPOURS AND GASES

#36
20110045416
2011-02-24

Compressor and Method for Compressing Gaseous Fuel

#37
20110000227
2011-01-06

Compressor

#38
20090010774
2009-01-08

Air Compressor and Reservoir For Topping Off Low Pressure Tires

#39
20080163592
2008-07-10

PORTABLE VACUUM PUMP FOR USE WITH RECLOSABLE, EVACUABLE CONTAINERS

#40
20080137288
2008-06-12

Fluid impelling device and electronic apparatus

#41
20070209326
2007-09-13

Portable vacuum pump for use with reclosable, evacuable containers

#42
20070172361
2007-07-26

Cleaning method of a rotary piston vacuum pump

#43
20060120909
2006-06-08

Rotary piston vacuum pump with washing installation

#44
20050123415
2005-06-09

Fluid machine

#45
20050099075
2005-05-12

Hermetic motor and gas booster