ClassID:

248811

Y10T137/4643 - CPC Classification

Classification description:

Fluid handling; With liquid valves or liquid trap seals Liquid valves

Sub-classes:
Recent Application in this class:
#1
20150102030
2015-04-16

Multi-layer one-way valve for packaging

#2
20140116522
2014-05-01

Fluid conduit arrangement

#3
20130306662
2013-11-21

Valve system

#4
20120255442
2012-10-11

Air pollution control apparatus and air pollution control method

#5
20120255441
2012-10-11

Air pollution control apparatus and air pollution control method

#6
20120222394
2012-09-06

Air pollution control apparatus and air pollution control method

#7
20120168016
2012-07-05

Microvalve having magnetic wax plug and flux control method using magnetic wax

#8
20120138168
2012-06-07

Nonreturn valve for an exhaust line

#9
20110212213
2011-09-01

Stackable valve system

#10
20110114364
2011-05-19

Method for reducing the air feed from the atmosphere into the expansion vessel of high-voltage systems filled with insulating liquid and device for carrying out the method

#11
20110100476
2011-05-05

Valve unit, microfluidic device having the same, and method of driving the valve unit

#12
20110079289
2011-04-07

Microvalve having magnetic wax plug and flux control method using magnetic wax

#13
20110076211
2011-03-31

Reactive gas control

#14
20110048563
2011-03-03

Switch valve

#15
20100224064
2010-09-09

Air pollution control apparatus and air pollution control method

#16
20100064891
2010-03-18

Reactive gas control

#17
20100013131
2010-01-21

Ring shaped valve piston and its use in a blow moulding machine

#18
20090158733
2009-06-25

Fluidic valve water drain

#19
20090071542
2009-03-19

Microvalve having magnetic wax plug and flux control method using magnetic wax

#20
20080303691
2008-12-11

Hybrid automotive fluid dispensing system

#21
20080196764
2008-08-21

System for accurately weighing solids and control mechanism for same

#22
20080163945
2008-07-10

Devices and methods for flow control in microfluidic structures

#23
20080112855
2008-05-15

Valve unit, microfluidic device with the valve unit, and microfluidic substrate

#24
20080075605
2008-03-27

Valve and micro fluid pump having the same

#25
20070264628
2007-11-15

Phase transition type valve and method of manufacturing the same

#26
20070144581
2007-06-28

Liquid seal for recovering flared gas

#27
20060219308
2006-10-05

Microvalve having magnetic wax plug and flux control method using magnetic wax

#28
20060053807
2006-03-16

Freeze-thaw valve that self-limits cryogenic agent usage

#29
20050236055
2005-10-27

High pressure capillary micro-fluidic valve device and a method of fabricating same

#30
20050072470
2005-04-07

Apparatus for controlling the pressure of gas by bubbling through a liquid, such as bubble CPAP

#31
15144908
2017-12-19

Multiple action forced fluid evacuation system