ClassID:

248553

Y10T137/2521 - CPC Classification

Classification description:

Fluid handling; Self-proportioning or correlating systems; Self-proportioning flow systems Flow comparison or differential response

Sub-classes:
Recent Application in this class:
#1
20260036122
2026-02-05

BLOOD TREATMENT SYSTEMS AND METHODS

#2
20250122871
2025-04-17

PUMPING CASSETTE

#3
20240352927
2024-10-24

CASSETTE SYSTEM INTEGRATED APPARATUS

#4
20240077069
2024-03-07

BLOOD TREATMENT SYSTEMS AND METHODS

#5
20240066197
2024-02-29

Pumping cassette

#6
20230400019
2023-12-14

Fluid pumping systems, devices and methods

#7
20230287876
2023-09-14

BLOOD TREATMENT SYSTEMS AND METHODS

#8
20230256148
2023-08-17

Cassette system integrated apparatus

#9
20230021842
2023-01-26

Shuttle valve poppet mechanism

#10
20220355006
2022-11-10

PUMPING CASSETTE

#11
20210332813
2021-10-28

Cassette system integrated apparatus

#12
20210285435
2021-09-16

Fluid pumping systems, devices and methods

#13
20210146028
2021-05-20

Pumping cassette

#14
20210093770
2021-04-01

Cassette system integrated apparatus

#15
20200191132
2020-06-18

Pumping cassette

#16
20200171226
2020-06-04

Automated control mechanisms and methods for controlling fluid flow in a hemodialysis apparatus

#17
20200139031
2020-05-07

System for monitoring and controlling fluid flow in a hemodialysis apparatus

#18
20190186483
2019-06-20

Pumping cassette

#19
20190113179
2019-04-18

Apparatus and method for flow equipartition

#20
20180372084
2018-12-27

CASSETTE SYSTEM INTEGRATED APPARATUS

#21
20180038357
2018-02-08

Pumping cassette

#22
20170342972
2017-11-30

Cassette system integrated apparatus

#23
20170326282
2017-11-16

Automated control mechanisms in a hemodialysis apparatus

#24
20170130705
2017-05-11

Pumping cassette

#25
20170023184
2017-01-26

Apparatus and method for flow equipartition

#26
20160175505
2016-06-23

Pumping cassette

#27
20160083953
2016-03-24

Fluid backflow management system and method of use thereof

#28
20150265760
2015-09-24

Cassette system integrated apparatus

#29
20150196698
2015-07-16

Cassette system integrated apparatus

#30
20150177747
2015-06-25

Pressure balance valve

#31
20150125319
2015-05-07

Pumping cassette

#32
20150075626
2015-03-19

Flow balancing in gas distribution networks

#33
20150020889
2015-01-22

Series plus parallel metering pressure regulation system for a thermal efficient fuel metering system

#34
20150020888
2015-01-22

Parallel metering pressure regulation system for a thermal efficient metering system

#35
20140261751
2014-09-18

Pressure balance unit

#36
20140137947
2014-05-22

Apparatus and method for reducing actuator thrust requirements in a control valve

#37
20140026978
2014-01-30

Fluid backup preventing system and method of use thereof

#38
20130098474
2013-04-25

Cold and hot water balancing valve structure

#39
20130087232
2013-04-11

Balance valve having an asymmetric structure

#40
20130087231
2013-04-11

Cold/hot water balance valve with burn-proof functions

#41
20130074959
2013-03-28

Pumping cassette

#42
20130074493
2013-03-28

Ejector with check valve

#43
20130042923
2013-02-21

Constant temperature control device

#44
20130022483
2013-01-24

Cassette system integrated apparatus

#45
20120312378
2012-12-13

Combustor fuel control systems with flow divider assemblies

#46
20120308904
2012-12-06

Fuel cell system having a fluid flow distribution feature

#47
20120207627
2012-08-16

Pumping cassette

#48
20120192956
2012-08-02

Device for monitoring gas concentration and method using the device

#49
20120180887
2012-07-19

Temperature controlling device

#50
20120174990
2012-07-12

FLOW RATE RATIO CONTROLLING APPARATUS

#51
20120145936
2012-06-14

Mixed water control valve having a water pressure balance function to stabilize water temperature

#52
20120106289
2012-05-03

Cassette system integrated apparatus

#53
20120080095
2012-04-05

VALVE SYSTEM

#54
20110299358
2011-12-08

Cassette system integrated apparatus

#55
20110253225
2011-10-20

Method for controlling a gas flow between a plurality of gas streams

#56
20110247703
2011-10-13

DIFFERENTIAL FLOW SIGNAL AMPLIFICATION

#57
20110214752
2011-09-08

Pressure balance valve

#58
20110094596
2011-04-28

Device and method for supplying gas while dividing to chamber from gas supplying facility equipped with flow controller

#59
20100314137
2010-12-16

Fire fighting foam proportioning devices and systems having improved low flow performance

#60
20100269924
2010-10-28

FLOW RATE RATIO CONTROLLING APPARATUS

#61
20100269908
2010-10-28

Water conserving devices and processes

#62
20100243942
2010-09-30

Control valve for a reverse osmosis water purification system

#63
20100114011
2010-05-06

METERING SYSTEM FOR OZONE OR OZONE/OXYGEN MIXTURE

#64
20090205717
2009-08-20

FAUCET STRUCTURE HAVING PRESSURE BALANCE VALVES

#65
20090004033
2009-01-01

Pumping cassette

#66
20080277000
2008-11-13

Valve system

#67
20080253912
2008-10-16

Pumping cassette

#68
20080253911
2008-10-16

Pumping Cassette

#69
20080216898
2008-09-11

Cassette system integrated apparatus

#70
20080208111
2008-08-28

Peritoneal dialysis sensor apparatus systems, devices and methods

#71
20080208103
2008-08-28

Pumping cassette

#72
20080202591
2008-08-28

Cassette system integrated apparatus

#73
20060260682
2006-11-23

Dual-function valve with pressure adjustment and temperature control functions

#74
20060158029
2006-07-20

Valve assembly

#75
20060016476
2006-01-26

Passive device for balancing the pressure of first and second fluids and the use thereof

#76
20050224115
2005-10-13

Faucet with constant temperature valve

#77
20050072466
2005-04-07

Automatic water pressure control valve balancing temperature of mixed water

#78
20050000868
2005-01-06

Volumetric fluid balance control for extracorporeal blood treatment

#79
18752783
2025-11-11

Ceramic balancing check valve

#80
14197892
2016-08-09

Valve