ClassID:

143021

F04B41/00 - CPC Classification

Classification description:

Pumping installations or systems specially adapted for elastic fluids

Sub-classes:
Recent Application in this class:
#1
20260043519
2026-02-12

METHANE AND EMISSIONS REDUCTION SYSTEM

#2
20250305493
2025-10-02

GAS COMPRESSION SYSTEM AND METHOD FOR RECOVERING HYDROGEN

#3
20240369053
2024-11-07

GAS COMPRESSOR

#4
20240068620
2024-02-29

METHANE AND EMISSIONS REDUCTION SYSTEM

#5
20230003212
2023-01-05

COMPRESSOR SYSTEM FOR A RAIL VEHICLE, AND METHOD FOR CONTROLLING A COOLING DEVICE OF A COMPRESSOR SYSTEM

#6
20220380110
2022-12-01

Vacuum sealable container with internal pump mechanism

#7
20220170666
2022-06-02

Waste-heat recovery system in oil-cooled gas compressor

#8
20220170596
2022-06-02

Methane and emissions reduction system

#9
20220065238
2022-03-03

Linear compressor

#10
20210363981
2021-11-25

Noise Reduction Device of Air Compressor

#11
20210340977
2021-11-04

Variable capacity compressor operation mode determination method and device, variable capacity compressor, and air conditioner

#12
20210281208
2021-09-09

Variable speed drive with secondary windings

#13
20210095662
2021-04-01

Method for service life monitoring of a compressor for a compressed air system

#14
20210061536
2021-03-04

Vacuum sealable container with internal pump mechanism

#15
20210054837
2021-02-25

Methane and emissions reduction system

#16
20200340605
2020-10-29

Vacuum system pipe couplings

#17
20200340467
2020-10-29

Modular vacuum pumping and/or abatement system

#18
20200340466
2020-10-29

Module for a vacuum pumping and/or abatement system

#19
20200300234
2020-09-24

Module for a vacuum pumping and/or abatement system

#20
20200269645
2020-08-27

Closed integrated air management module

#21
20200208620
2020-07-02

Connection structure for motor of air compressor

#22
20200158377
2020-05-21

Waste-heat recovery system in oil-cooled gas compressor

#23
20200088179
2020-03-19

Method for reducing the pulsation level in a multi-compressor plant employing reciprocating compressors

#24
20200063730
2020-02-27

Portable pump with hose reel and transport

#25
20190331106
2019-10-31

Compressor module

#26
20190285185
2019-09-19

Clamping Arrangement for Valves in Reciprocating Compressor Cylinders

#27
20190229598
2019-07-25

Electricity and air supplying equipment

#28
20190201840
2019-07-04

Dryer apparatus and air suspension system

#29
20190162202
2019-05-30

Compressor module

#30
20190128254
2019-05-02

Method of driving an atmospheric air pump in a capillary electrophoresis apparatus

#31
20190113251
2019-04-18

Waste-Heat Recovery System in Oil-Cooled Gas Compressor

#32
20190111224
2019-04-18

Pressure controller

#33
20190048864
2019-02-14

HYDRAULIC SYSTEM, SMART POWER UNIT AND OPERATION METHOD OF THE SYSTEM

#34
20190040851
2019-02-07

Multiphase production boost method and system

#35
20190031156
2019-01-31

Hydrogen station

#36
20190003490
2019-01-03

Packaged compressor

#37
20180372078
2018-12-27

Electric air pump

#38
20180320927
2018-11-08

Waste-heat recovery system in oil-cooled gas compressor

#39
20180283367
2018-10-04

Air compressor noise dampener

#40
20180238314
2018-08-23

Air inflating device and tire repair machine comprising same

#41
20180222715
2018-08-09

Compact inflator

#42
20180185999
2018-07-05

Air pump apparatus using electric actuator and air pump system

#43
20180030974
2018-02-01

Vacuum sealable container with internal pump mechanism

#44
20180017062
2018-01-18

Compressor system and lubricant control valve to regulate temperature of a lubricant

#45
20170335833
2017-11-23

Systems and methods for hydrate management

#46
20170321935
2017-11-09

Compressor module

#47
20170200622
2017-07-13

Vacuum evacuation system

#48
20170147015
2017-05-25

Multi-stream compressor management system and method

#49
20170113338
2017-04-27

Portable power tool

#50
20170059242
2017-03-02

Gas displacement pump assembly

#51
20170037848
2017-02-09

Hydraulic pumping system with enhanced piston rod sealing

#52
20170030346
2017-02-02

Sealed cavity compressor to reduce contaminant induction

#53
20160245270
2016-08-25

Cryopump system, cryopump controller, and cryopump regeneration method

#54
20150370265
2015-12-24

Fluid compression system and control device therefor

#55
20150362212
2015-12-17

Waste-heat recovery system in oil-cooled gas compressor

#56
20150361975
2015-12-17

Air compressor discharge system

#57
20150266460
2015-09-24

Compressed air unit output pressure verification device

#58
20150241883
2015-08-27

Multi-stream compressor management system and method

#59
20150219103
2015-08-06

Pressure-increasing unit

#60
20150044064
2015-02-12

Pump system for gas dehydrator powered by thermal electric generator

#61
20150000867
2015-01-01

Compression apparatus and cooler unit with support structure for cooler unit

#62
20140234029
2014-08-21

Methods and apparatus for recovery of damaged subsea pipeline sections

#63
20140144513
2014-05-29

Apparatus and method for generating wave functional pulsatile microflows by applying Fourier cosine series and hydraulic head difference

#64
20140023537
2014-01-23

Air Pump Cylinder

#65
20130160525
2013-06-27

Methods and apparatus for subsea pipeline integrity testing

#66
20130156611
2013-06-20

METHODS AND DEVICES FOR CONSTRUCTIVELY USING THE PRESSURE PULSATIONS IN RECIPROCATING COMPRESSORS INSTALLATIONS

#67
20130136637
2013-05-30

Miniature pump

#68
20130089445
2013-04-11

Variable Capacity Compressor

#69
20130045118
2013-02-21

Smart blow-down system for variable frequency drive compressor units

#70
20100180984
2010-07-22

Base with Inflating Mechanism for Dispensing Machine for Deflated Balls

#71
20090116973
2009-05-07

Pump for Shock Absorbers

#72
20080317607
2008-12-25

Smart blow-down system for variable frequency drive compressor units

#73
20080095644
2008-04-24

Mobile wear and tear resistant gas compressor

#74
20070227596
2007-10-04

System for producing and distributing compressed air

#75
20070116584
2007-05-24

Portable dry air compressor system

#76
20060216159
2006-09-28

Multiple compressor control system

#77
20060153699
2006-07-13

Apparatus for connecting together at least two compressors used in refrigeration or air conditioning systems

#78
20050220634
2005-10-06

Air brake system characterization by self learning algorithm