ClassID:

249440

Y10T137/86928 - CPC Classification

Classification description:

Fluid handling; Systems Sequentially progressive opening or closing of plural valves

Sub-classes:
Recent Application in this class:
#1
20220299128
2022-09-22

Valve for hydrogen tank of fuel cell vehicle

#2
20190219078
2019-07-18

DEVICES AND METHODS FOR PROGRAMMING FLUID FLOW USING SEQUENCED MICROSTRUCTURES

#3
20160259349
2016-09-08

Double port pressure regulator with floating seat

#4
20160102766
2016-04-14

Balanced double seated globe valve with flexible plub

#5
20150276072
2015-10-01

Double port pressure regulator with floating seat

#6
20150217438
2015-08-06

Multi-operational valve

#7
20140150885
2014-06-05

Positive isolation through isolation of air supply to pneumatic valves

#8
20130327429
2013-12-12

Bypass valve, device comprising bypass valve, and filter insert of the device

#9
20130319548
2013-12-05

Automatic air evacuation appratus for swimming pool and spa filters

#10
20130025721
2013-01-31

Latch valve and flow control device using the same

#11
20120285565
2012-11-15

Spring brake valve

#12
20120279579
2012-11-08

Self-cleaning apparatus and method for thick slurry pressure control

#13
20120279573
2012-11-08

Self-cleaning apparatus and method for thick slurry pressure control

#14
20120036884
2012-02-16

Expansion valve and air conditioner for vehicles having the same

#15
20110277843
2011-11-17

Soft start device for pneumatic systems and method for the operation of a soft start device

#16
20110240156
2011-10-06

Double Block and Bleed Sandwich-Type Valve

#17
20110174393
2011-07-21

Proportional valve assembly

#18
20110114204
2011-05-19

Control valve

#19
20110108279
2011-05-12

Self-sealing chemical injection line coupling

#20
20110094600
2011-04-28

Serial siphon valves for fluidic or microfluidic devices

#21
20100155072
2010-06-24

Rechargeable subsea force generating device and method

#22
20100106385
2010-04-29

Spring brake valve

#23
20100102259
2010-04-29

Tubular valve device

#24
20090283156
2009-11-19

Control stop and flushing system

#25
20090126564
2009-05-21

Dust clearing blow-back valve and reservoir

#26
20090088905
2009-04-02

Material-sensitive routing for shared conduit systems

#27
20090032758
2009-02-05

Sequential valve member driving mechanism for an HVAC system

#28
20090007969
2009-01-08

MICROFLUIDIC ACTUATION STRUCTURES

#29
20080223467
2008-09-18

Method and device for regulating a pressure in a hydraulic system

#30
20080216908
2008-09-11

Control system for a multi-speed transmission

#31
20080110514
2008-05-15

Fuel Tank System

#32
20070277884
2007-12-06

Control stop and flushing system

#33
20070175894
2007-08-02

Coolant ventilation system

#34
20060278399
2006-12-14

Multi-drop flow control valve system

#35
20060278286
2006-12-14

High-flow dual poppet valve having equalized closing forces

#36
20060155236
2006-07-13

Method and apparatus for collecting a blood component and performing a photopheresis treatment

#37
20060102238
2006-05-18

Dual path hydraulic coupling

#38
20060070673
2006-04-06

Soft start device for compressed air systems

#39
20050166979
2005-08-04

Solenoid valve

#40
20050072474
2005-04-07

Valve assembly for attenuating bounce of hydraulically driven members of a machine