ClassID:

143022

F04B41/02 - page 2 - CPC Classification

Classification description:

Pumping installations or systems specially adapted for elastic fluids having reservoirs

Recent Application in this class:
#301
20100111717
2010-05-06

Air compressor assembly including detachable tool storage bin

#302
20100047085
2010-02-25

PORTABLE AIR COMPRESSOR

#303
20100012475
2010-01-21

Combination pressure switch

#304
20100007133
2010-01-14

Axially moveable spool connector

#305
20090304522
2009-12-10

Installation for high pressure compression with several stages

#306
20090288849
2009-11-26

Air compressor and method for controlling the same

#307
20090269217
2009-10-29

System and method for portable battery back-up sump pump

#308
20090254246
2009-10-08

Method and apparatus to optimize energy efficiency of air compressor in vehicle air brake application

#309
20090226333
2009-09-10

AIR COMPRESSOR FEATURING A CONVENIENT OPERATION

#310
20090202363
2009-08-13

Cooling arrangement for a portable air compressor

#311
20090194177
2009-08-06

Air compressor

#312
20090169401
2009-07-02

TWO-STAGE AIR POWERED PUMP

#313
20090158752
2009-06-25

VARIABLE POWER CRYOGENIC REFRIGERATOR

#314
20090133395
2009-05-28

Compressed air supply device for a utility vehicle

#315
20090115424
2009-05-07

Pressure tank fault detector and method

#316
20090110566
2009-04-30

PORTABLE AIR COMPRESSOR

#317
20090098179
2009-04-16

FLUID EQUILBRATED ABSORBENT POLYMERIC MATERIALS, DEVICES INCLUDING SAME AND PACKAGING FOR SAME

#318
20090060752
2009-03-05

Constant pressure pressurizing water pump

#319
20090056850
2009-03-05

Sealing pump-up device

#320
20090016904
2009-01-15

Compressor

#321
20090016902
2009-01-15

Air comperssor shroud assembly

#322
20090010774
2009-01-08

Air Compressor and Reservoir For Topping Off Low Pressure Tires

#323
20090007979
2009-01-08

Pressure accumulating apparatus

#324
20080286128
2008-11-20

Combination of a Generator with an Air Compressor

#325
20080273994
2008-11-06

Air compressor system

#326
20080273989
2008-11-06

MULTI-STAGE GAS COMPRESSING APPARATUS

#327
20080240936
2008-10-02

Portable air compressor

#328
20080219860
2008-09-11

PROTECTION SYSTEM FOR AIR COMPRESSOR ASSEMBLY

#329
20080202285
2008-08-28

Multipurpose combined machine

#330
20080187447
2008-08-07

Air compressor

#331
20080181794
2008-07-31

MOBILE PNEUMATIC COMPRESSOR

#332
20080152519
2008-06-26

GAS-OIL SEPARATOR WITH AN OIL TYPE AIR COMPRESSOR

#333
20080152518
2008-06-26

Air compressor enclosed in shroud having tab isolator

#334
20080112823
2008-05-15

Air compressor

#335
20080044299
2008-02-21

Apparatus, system and method for loading and offlloading a bulk fluid tanker

#336
20080044296
2008-02-21

Air compressor with removable manifold

#337
20080003111
2008-01-03

Portable pneumatic power supply and compressor systems and methods thereof

#338
20070275615
2007-11-29

Inflation device

#339
20070258834
2007-11-08

Compressed gas management system

#340
20070251379
2007-11-01

Air compression apparatus and method of use

#341
20070234904
2007-10-11

Dry compressed air supply module

#342
20070212236
2007-09-13

Portable air/gas compressor

#343
20070188013
2007-08-16

Hydraulically powered air charging arrangement

#344
20070154335
2007-07-05

Air compressor unit inlet control method

#345
20070122292
2007-05-31

Air compressor

#346
20070116584
2007-05-24

Portable dry air compressor system

#347
20070086900
2007-04-19

Air barrel of air compressor

#348
20070081902
2007-04-12

Digital Air Compressor Control System

#349
20070077151
2007-04-05

Control system for air-compressing apparatus

#350
20070059186
2007-03-15

Pneumatic compressor

#351
20060285320
2006-12-21

Portable power supply with audio device

#352
20060275141
2006-12-07

METHOD OF FEEDING AN INERT GAS AND A SYSTEM THEREFOR

#353
20060245937
2006-11-02

Air compressor

#354
20060216159
2006-09-28

Multiple compressor control system

#355
20060171820
2006-08-03

Cooling arrangement for a portable air compressor

#356
20060127231
2006-06-15

Portable, refrigerant recovery unit

#357
20060108970
2006-05-25

Integrated fuel cell system

#358
20060104839
2006-05-18

Air compressor including a disk oil slinger assembly

#359
20060104838
2006-05-18

Integrated eccentric flywheel oil slinger

#360
20060104837
2006-05-18

Air compressor shroud assembly

#361
20060104836
2006-05-18

Cordless compressor

#362
20060104835
2006-05-18

Portable air compressor tool carrier

#363
20060104834
2006-05-18

Air compressor enclosed in shroud having tab isolator

#364
20060104830
2006-05-18

Elastomeric base for pressure vessels

#365
20060104825
2006-05-18

Air compressor

#366
20060102261
2006-05-18

Portable air compressor having storage compartment

#367
20060067836
2006-03-30

Air compressor assembly

#368
20060065309
2006-03-30

Air compressor assembly having removable air compressor

#369
20060056991
2006-03-16

Transmission device for an air compressor

#370
20060048489
2006-03-09

Removable air filter system for compressors

#371
20060045752
2006-03-02

Air compressor tools that communicate with an air compressor

#372
20060045751
2006-03-02

Air compressor with variable speed motor

#373
20060018766
2006-01-26

Tire inflation system with pressure limiter

#374
20050220634
2005-10-06

Air brake system characterization by self learning algorithm

#375
20050214136
2005-09-29

Air compressor

#376
20050191187
2005-09-01

Suitcase style air compressor assembly

#377
20050180863
2005-08-18

Pressure storage structure for use in air

#378
20050163625
2005-07-28

Air compressor with improved hand portability

#379
20050158184
2005-07-21

Pressure reservoir structure for use in water

#380
20050089406
2005-04-28

Portable electronic air compressor

#381
20050053483
2005-03-10

Air compressor and control method therefor

#382
20050031458
2005-02-10

Portable air compressor

#383
16601174
2020-04-28

Dual motor compressor

#384
15601628
2020-06-16

Hydraulic system and method for providing fluid pressure to hydraulically-powered systems

#385
15594196
2018-09-18

Railroad powered energy recovery system