ClassID:

142990

F04B39/06 - page 2 - CPC Classification

Classification description:

Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups - Cooling; Heating; Prevention of freezing

Recent Application in this class:
#301
20120067036
2012-03-22

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#302
20120019092
2012-01-26

Compressor

#303
20120019009
2012-01-26

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#304
20120007455
2012-01-12

Motor rotor and compressor provided with the same

#305
20110314800
2011-12-29

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#306
20110284109
2011-11-24

Air pump

#307
20110274575
2011-11-10

COMPRESSOR, IN PARTICULAR A RADIAL PISTON COMPRESSOR FOR CARBON DIOXIDE AS A REFRIGERANT

#308
20110256002
2011-10-20

Electric Compressor Having Drive Circuit Integrated Thereinto

#309
20110193452
2011-08-11

Inverter-integrated electric compressor and assembly method therefor

#310
20110189035
2011-08-04

Integrated-inverter electric compressor

#311
20110164990
2011-07-07

Multi-stage compressor

#312
20110126553
2011-06-02

Cryogenic pump employing tin—gallium alloys and methods of use

#313
20110107790
2011-05-12

Air cooled helium compressor

#314
20110103976
2011-05-05

Device and method for preparing liquefied natural gas (LNG) fuel

#315
20110097216
2011-04-28

LUBRICATION SYSTEM FOR SUBSEA COMPRESSOR

#316
20110070101
2011-03-24

Valve plate for a compressor, and method for cooling compressed air in a valve plate of a compressor

#317
20110070100
2011-03-24

Crankcase heater systems and methods for variable speed compressors

#318
20110063582
2011-03-17

COOLING PUMP UNIT AND PROJECTION DISPLAY APPARATUS INCLUDING THE SAME

#319
20110052430
2011-03-03

FLUID MACHINE

#320
20110030552
2011-02-10

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#321
20110030359
2011-02-10

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#322
20110024123
2011-02-03

ESP for perforated sumps in horizontal well applications

#323
20110023977
2011-02-03

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#324
20110023488
2011-02-03

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#325
20100329903
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#326
20100326075
2010-12-30

Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange

#327
20100310394
2010-12-09

COMPRESSOR UNIT

#328
20100278665
2010-11-04

Fixation structure for compressor

#329
20100233004
2010-09-16

Air compressor of water injection type

#330
20100221128
2010-09-02

Compact Dry-Running Piston Compressor

#331
20100209266
2010-08-19

Electric compressor integral with drive circuit

#332
20100146990
2010-06-17

THERMOELECTRIC COOLER FOR COMPRESSOR MOTOR

#333
20100126691
2010-05-27

Compressor

#334
20100068085
2010-03-18

Reciprocating Compressor for Refrigerator

#335
20090297368
2009-12-03

Single Piece Water Over Air Intercooler for a Reciprocating Air Compressor

#336
20090269224
2009-10-29

Submersible pumping system with heat transfer mechanism

#337
20090241592
2009-10-01

COMPRESSOR ASSEMBLY HAVING ELECTRONICS COOLING SYSTEM AND METHOD

#338
20090214367
2009-08-27

Refrigerant Compressor

#339
20090162221
2009-06-25

Motor-driven compressor

#340
20090155114
2009-06-18

COMPRESSOR STRUCTURE FOR A REFRIGERATION SYSTEM

#341
20090151794
2009-06-18

Compressor arrangement with bypass means for preventing freezing of the cooling unit

#342
20090136365
2009-05-28

Refrigerant Compressor

#343
20090090118
2009-04-09

Variable speed compressor protection system and method

#344
20090090113
2009-04-09

Compressor assembly having electronics cooling system and method

#345
20080310974
2008-12-18

Hermetic compressor with a heat dissipation system

#346
20080298984
2008-12-04

Unit For Generating and Treating Compressed Aeriform Fluids, With an Improved Cooling System

#347
20080168898
2008-07-17

Air compressor

#348
20080127665
2008-06-05

Compressor

#349
20080082218
2008-04-03

Cooling compressor intake air

#350
20070292289
2007-12-20

Piston compressor producing an internal cooling air flow in the crankcase

#351
20070264135
2007-11-15

Drain Valve Assembly for Use in an Air Compressor System

#352
20070186581
2007-08-16

Compressor cooling system

#353
20060257272
2006-11-16

Compressor

#354
20060248886
2006-11-09

Isothermal reciprocating machines

#355
20060222515
2006-10-05

Drainage system for compressor separators

#356
20060218938
2006-10-05

Cooling compressor intake air

#357
20060165536
2006-07-27

Swash plate type compressor

#358
20060115367
2006-06-01

Compressor with fortified piston channel

#359
20050252225
2005-11-17

Compressor - heat exchanger combination for vehicle air conditioner

#360
20050204766
2005-09-22

Refrigerant cycle apparatus

#361
20050201873
2005-09-15

Electric compressor

#362
20050142016
2005-06-30

Heat insulating structure in piston type compressor

#363
20050106033
2005-05-19

Heat-insulating mechanism for compressor

#364
20050008503
2005-01-13

Compressor heat regenerative system

#365
17862259
2024-04-02

Self-contained actuating magnetic pump

#366
16703771
2022-03-01

Isothermal pump with improved characteristics

#367
16588472
2021-12-07

Gas lift compressor system and method for supplying compressed gas to multiple wells