ClassID:

248573

Y10T137/2572 - CPC Classification

Classification description:

Fluid handling; Self-proportioning or correlating systems; Self-controlled branched flow systems; Plural inflows One inflow supplements another

Recent Application in this class:
#1
20250362211
2025-11-27

MANIPULATION OF MICROFLUIDIC DROPLETS

#2
20220143617
2022-05-12

MANIPULATION OF MICROFLUIDIC DROPLETS

#3
20200225129
2020-07-16

Manipulation of microfluidic droplets

#4
20190093678
2019-03-28

Spool valve

#5
20180252323
2018-09-06

Shuttle valve stabilization through pressure differential and shuttle valve with hollow poppet with weep hole

#6
20170336306
2017-11-23

Manipulation of microfluidic droplets

#7
20160281865
2016-09-29

Shuttle valve stabilization through pressure differential and shuttle valve with hollow poppet with weep hole

#8
20140060671
2014-03-06

Flow control and indicator assemblies

#9
20140020773
2014-01-23

Diesel fuel leakage control system for a dual fuel injector

#10
20120160344
2012-06-28

Vacuum control valve and vacuum control system

#11
20120103429
2012-05-03

Internal pressure boost system for gas utility pipelines

#12
20110289925
2011-12-01

Fuel pumping system for a gas turbine engine

#13
20110277852
2011-11-17

Automatic rain barrel

#14
20110232768
2011-09-29

Slurry catalyst flow splitters and methods of using the same

#15
20110174380
2011-07-21

Vacuum control system and vacuum control method

#16
20110094605
2011-04-28

Vacuum relief valve

#17
20110088787
2011-04-21

Slurry catalyst flow splitters and methods of using the same

#18
20110068285
2011-03-24

Automatic increased-suction relief apparatus

#19
20110011477
2011-01-20

Flow discharge device

#20
20110000560
2011-01-06

Manipulation of microfluidic droplets

#21
20100236635
2010-09-23

Demand valve for gas mixing

#22
20100199679
2010-08-12

Gas turbine engine valve

#23
20100123018
2010-05-20

Device and method for the thermal fogging of a liquid

#24
20100032036
2010-02-11

Valve with an AND-function

#25
20090317691
2009-12-24

Ejector for fuel cell system

#26
20090242210
2009-10-01

Downhole fluid recirculation valve and method for recirculating fluid in a well

#27
20090155668
2009-06-18

Multi-stage in-line cartridge ejector for fuel cell system

#28
20090050216
2009-02-26

Valve systems for use with a fluid injector system

#29
20080183340
2008-07-31

Pressure control device for low pressure processing chamber

#30
20080138215
2008-06-12

Dosing pump unit

#31
20080066807
2008-03-20

Hot water supply device

#32
20070272311
2007-11-29

Valve systems and injector system including such valve systems

#33
20070199316
2007-08-30

Hybrid powertrain with valve assembly for dual pumps

#34
20070163649
2007-07-19

Ejector and fuel cell system therewith

#35
20060118170
2006-06-08

Methods and systems for controlling viscosity in real time

#36
20060042688
2006-03-02

Fluid flow regulator for swimming pool cleaning system

#37
20060042687
2006-03-02

Vacuum feed system for liquid chemical feeding

#38
20050274413
2005-12-15

Intermittent mixer with low pressure drop

#39
20050268964
2005-12-08

Intermittent mixer with low pressure drop

#40
20050217751
2005-10-06

Gravity feed ball-in-seat valve with extension unit for dosing fuel additives

#41
20050145275
2005-07-07

Fluid supply failure protection valve

#42
20050130008
2005-06-16

Fuel supply apparatus for fuel cell

#43
20050127193
2005-06-16

Fluid supply failure protection valve

#44
20050034758
2005-02-17

Proportioner

#45
20050028868
2005-02-10

Self-contained oxygen generator