ClassID:

143160

F04B53/04 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups  -  or  -  Draining

Recent Application in this class:
#1
20260126031
2026-05-07

PRESSURE SOURCE UNIT

#2
20260063122
2026-03-05

Flow Distributor Assembly, Valve Box and Plunger Pump

#3
20250354569
2025-11-20

PRESSURE EXCHANGERS WITH FOULING AND PARTICLE HANDLING CAPABILITIES

#4
20250283456
2025-09-11

SECONDARY SUMP PUMP SHELF SYSTEM

#5
20250283455
2025-09-11

FLUID END WITH THREADED DYNAMIC SECTION

#6
20250257725
2025-08-14

FRACTURING PUMP PINION ROTATION ASSEMBLY

#7
20250250978
2025-08-07

SYSTEM INCLUDING RECOVERY PUMP AND VACUUM PUMP

#8
20250188964
2025-06-12

HYDRAULIC DEVICE WITH CASE DRAIN SYSTEM

#9
20250188957
2025-06-12

PRESSURE EXCHANGERS WITH FOULING AND PARTICLE HANDLING CAPABILITIES

#10
20250188922
2025-06-12

Flow Distributor Assembly, Valve Box and Plunger Pump

#11
20250163909
2025-05-22

PUMP HOUSING WITH DRAIN FOR VEHICLE

#12
20250122833
2025-04-17

AIRLESS SPRINT & WATER WASH SYSTEM

#13
20240318767
2024-09-26

PUMP SUPPORT DEVICE

#14
20240077068
2024-03-07

GAS COOLER

#15
20230304462
2023-09-28

Gasoline direct injection fuel pump with isolated plunger sleeve

#16
20220341543
2022-10-27

Lubricant pumping system

#17
20220220957
2022-07-14

Method and system for damping flow pulsation

#18
20220128049
2022-04-28

Fluid resistant display apparatus

#19
20220099087
2022-03-31

System including recovery pump and vacuum pump

#20
20210372418
2021-12-02

WATER PUMP DRAIN PLUG SYSTEM

#21
20210332837
2021-10-28

Automatic water handling device of air compressor

#22
20210148319
2021-05-20

Piston pump

#23
20210048019
2021-02-18

Breather assembly for a peristaltic pump

#24
20210017990
2021-01-21

Vacuum device

#25
20210010712
2021-01-14

Outdoor unit for air-conditioning apparatus

#26
20200393083
2020-12-17

PUMP WITH ANGLED DRAIN SYSTEM

#27
20200355173
2020-11-12

Reciprocating pump systems

#28
20200271113
2020-08-27

Pneumatically controlled drain valve

#29
20200205874
2020-07-02

Pump and generator with channels as fluid guides

#30
20200018307
2020-01-16

System including recovery pump and vacuum pump

#31
20190309746
2019-10-10

Linear compressor

#32
20190286174
2019-09-19

Closed circulation system for production of a polymer solution and improving operating efficiency of a gas drainage pump used in a coal mine

#33
20190170295
2019-06-06

Lubricating-grease pump and method for recovery of leakage grease of a lubricating-grease pump

#34
20190109554
2019-04-11

Motor drive with moisture control features

#35
20180283372
2018-10-04

Fully-draining diaphragm pump and check valve assembly

#36
20180258892
2018-09-13

High-pressure fuel pump for a fuel injection system

#37
20180195500
2018-07-12

Cryogenic fluid pump

#38
20180156205
2018-06-07

Fuel pump assembly

#39
20180112657
2018-04-26

System and method for controlling moisture within an air compressor assembly

#40
20180066652
2018-03-08

Dump valve assembly with spring and method therefor

#41
20180045368
2018-02-15

Pump with angled drain system

#42
20180010601
2018-01-11

Mud pump sealing assembly

#43
20180010404
2018-01-11

Self-aligning mud pump assembly

#44
20170227001
2017-08-10

Fluid pump leakage diversion

#45
20170204842
2017-07-20

Reciprocating machine with cylinder having collector groove

#46
20170175486
2017-06-22

Dump valve assembly and method therefor

#47
20170138362
2017-05-18

Pump motor for high temperature fluids

#48
20170016434
2017-01-19

Hydraulic distributor for pump

#49
20160341194
2016-11-24

High pressure fuel pump

#50
20160265524
2016-09-15

High-pressure air pump

#51
20160252089
2016-09-01

Electric motor driven pump

#52
20160230517
2016-08-11

Downhole pump flushing system and method of use

#53
20160208796
2016-07-21

High pressure pump

#54
20160138586
2016-05-19

FUEL PUMP

#55
20160138584
2016-05-19

Reciprocating compressor, pressure packing, and method

#56
20160123315
2016-05-05

Rapid-discharge-valve structural body and diaphragm pump

#57
20160032919
2016-02-04

Fully-draining diaphragm pump and check valve assembly

#58
20150308427
2015-10-29

Method for emptying a device for providing a liquid additive

#59
20150267699
2015-09-24

Motor-pump unit

#60
20150204290
2015-07-23

Fuel injection pump

#61
20150132166
2015-05-14

High-pressure pump

#62
20150086388
2015-03-26

Compressor comprising purging and method for purging the compressor housing with purge gas

#63
20140294632
2014-10-02

Variable displacement compressor with drain passage

#64
20140199182
2014-07-17

RECIPROCATING WATER PUMP

#65
20120177454
2012-07-12

Dust extractor

#66
20120097026
2012-04-26

Piston pump with leak diagnostic port

#67
20120085442
2012-04-12

Water supply module for hydrotherapy device

#68
20110079293
2011-04-07

Hydraulic system with leakage fluid removal

#69
20110052427
2011-03-03

HIGH PRESSURE TWO-PIECE PLUNGER PUMP ASSEMBLY

#70
20100327586
2010-12-30

DRAINAGE, FILTRATION, AND ELECTRICITY GENERATING SYSTEMS AND METHODS

#71
20100226795
2010-09-09

High pressure fuel pump with parallel cooling fuel flow

#72
20100215517
2010-08-26

Hydraulic pump unit, hydraulic pump set, and working vehicle

#73
20100108164
2010-05-06

Defined leak path for high pressure seal

#74
20100043760
2010-02-25

Fuel pump

#75
20090008883
2009-01-08

High-pressure fuel pump and seal system for high-pressure fuel pump

#76
20080110515
2008-05-15

Defined lead path for high pressure seal

#77
20080054717
2008-03-06

Hydraulic pump unit, hydraulic pump set, and working vehicle

#78
20080041488
2008-02-21

Fluid dispensing system for semiconductor manufacturing processes with self-cleaning dispense valve

#79
20060275164
2006-12-07

High pressure pump

#80
20060228239
2006-10-12

High pressure fuel pump for internal combustion engine

#81
20060127234
2006-06-15

Plunger pump apparatus

#82
20060104843
2006-05-18

High pressure fuel pump

#83
20060099090
2006-05-11

Internal Leakage Control and Venting for ABS Unit

#84
20060062677
2006-03-23

High pressure pump

#85
20050226747
2005-10-13

Hydraulic pump unit, hydraulic pump set, and working vehicle

#86
20050180869
2005-08-18

Reciprocable piston with a fluid scavenging system and method of scavenging a fluid