ClassID:

143189

F04B53/1065 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups  -  or  - ; Valves; Arrangement of valves; Flap valves the valve being formed by one or more flexible elements the valve being a membrane fixed at its centre

Recent Application in this class:
#1
20250376980
2025-12-11

DIAPHRAGM PUMP AND VALVE ASSEMBLY FOR A DIAPHRAGM PUMP

#2
20230349372
2023-11-02

Diaphragm pump

#3
20220275798
2022-09-01

A Diaphragm Pump

#4
20220170560
2022-06-02

VALVE ASSEMBLIES FOR A DIAPHRAGM PUMP

#5
20210355928
2021-11-18

Multi-chamber wobble plate pump with asymmetric inlet valve

#6
20210254612
2021-08-19

Diaphragm for a multi-chamber wobble plate pump

#7
20200173433
2020-06-04

Diaphragm pump

#8
20180142684
2018-05-24

Diaphragm pump

#9
20180051692
2018-02-22

Volume pump including a bellows and a suction valve and a discharge valve wherein the valves comprise a valve seat and a valve body and wherein a fixed section of the valve body includes a communicating flow path

#10
20160305424
2016-10-20

Pump having a cap retaining a diaphragm in a receptacle

#11
20160265525
2016-09-15

Valve clack and air pump having same

#12
20160053756
2016-02-25

Valve and valve seat for a diaphragm pump

#13
20160040664
2016-02-11

Valve clack and air pump having same

#14
20160003251
2016-01-07

Pump device and method for controlling the same

#15
20150316051
2015-11-05

Pump/compressor valve seat

#16
20130055887
2013-03-07

MULTIPLE VALVE HEAD COMPRESSOR APPARATUS

#17
20120301338
2012-11-29

Compressing diaphragm pump having abnormal pressure preventing features for spray use

#18
20110097227
2011-04-28

Structure of preventing water from leakage for the pressurized pump of diaphragm type

#19
20100326987
2010-12-30

Vacuum packaging in containers provided with an air-tight closing lid

#20
20100215522
2010-08-26

Check valve, fluid device, and pump

#21
20090068036
2009-03-12

Compressing diaphragm pump having automatic air expelling and pressure abnormal-preventing features for spray use

#22
20080142102
2008-06-19

Check Valve and Pump for High Purity Fluid Handling Systems

#23
20080095651
2008-04-24

DIAPHRAGM PUMP AND THIN CHANNEL STRUCTURE

#24
20080031755
2008-02-07

Variable flow fluid pump

#25
20070258835
2007-11-08

Diaphragm pump

#26
20070101860
2007-05-10

Method and structure of preventing water from leakage for the pressurized pump of diaphragm type

#27
20060090642
2006-05-04

Construction improvement of the piston valve in compressing pump

#28
20060051219
2006-03-09

Pump comprising a shield valve controlled by the conveying medium

#29
20050126649
2005-06-16

Check valve and pump including the same