ClassID:

249128

Y10T137/776 - CPC Classification

Classification description:

Fluid handling; Line condition change responsive valves; Pilot or servo controlled; Responsive to change in rate of fluid flow Control by pressures across flow line valve

Recent Application in this class:
#1
20240301962
2024-09-12

Systems and Methods for Providing Surge Relief

#2
20240288093
2024-08-29

System, Method, and Apparatus for Monitoring Restroom Appliances

#3
20230184348
2023-06-15

Systems and methods for providing surge relief

#4
20220010891
2022-01-13

System, method, and apparatus for monitoring restroom appliances

#5
20200326259
2020-10-15

Leak detection for aircraft

#6
20200063889
2020-02-27

Valve assembly

#7
20190353278
2019-11-21

System, method, and apparatus for monitoring restroom appliances

#8
20190234248
2019-08-01

Cylinder head arrangement for variable valve actuation rocker arm assemblies

#9
20190178448
2019-06-13

Method for operating a valve of a pressure vessel system, and pressure vessel system

#10
20190072190
2019-03-07

Axially aligned rotationally adjustable flow control valve

#11
20170212531
2017-07-27

Pressure-type flow rate control device

#12
20170199529
2017-07-13

System for and method of monitoring flow through mass flow controllers in real time

#13
20170168508
2017-06-15

System, method, and apparatus for optimizing a timing of a flush valve

#14
20170167631
2017-06-15

System, method, and apparatus for monitoring restroom appliances

#15
20170167123
2017-06-15

System, method, and apparatus for optimizing a timing of a flush valve

#16
20170037976
2017-02-09

Axially aligned rotationally adjustable flow control valve

#17
20160340881
2016-11-24

System and method for a diaphragm valve controlled through measurement of water pressure and solenoid opening time

#18
20160274595
2016-09-22

Flow rate range variable type flow rate control apparatus

#19
20160185208
2016-06-30

Method for operating a fuel tank device for a motor vehicle and corresponding fuel tank device

#20
20160178069
2016-06-23

Valve connected to a feed circuit, a feed circuit comprising such a valve and a feeding method operating such a feed circuit

#21
20160138438
2016-05-19

Cylinder head arrangement for variable valve actuation rocker arm assemblies

#22
20150362924
2015-12-17

Mass flow controller for improved performance across fluid types

#23
20150338027
2015-11-26

Slurry-transporting facility and slurry transportation control method

#24
20150308234
2015-10-29

Method for autonomous control of a chemical injection system for oil and gas wells

#25
20150285385
2015-10-08

Axially aligned rotationally adjustable flow control valve

#26
20150285384
2015-10-08

Axially aligned rotationally adjustable flow control valve

#27
20150176153
2015-06-25

Gas-supply system and method

#28
20150114492
2015-04-30

Automatic flow control system and apparatus

#29
20150114491
2015-04-30

Automatic flow control system and apparatus

#30
20140261783
2014-09-18

System and method for a diaphragm valve controlled through measurement of water pressure and solenoid opening time

#31
20140255530
2014-09-11

Alternative pressure control for an injection molding apparatus

#32
20140246097
2014-09-04

Mass flow controller and method for improved performance across fluid types

#33
20140225015
2014-08-14

Method and apparatus for controlling gas flow via a gas shut-off valve assembly

#34
20140225014
2014-08-14

Method and apparatus for controlling gas flow via a gas shut-off valve assembly

#35
20140203107
2014-07-24

Throughflow controller

#36
20140190579
2014-07-10

System for and method of monitoring flow through mass flow controllers in real time

#37
20140097367
2014-04-10

Advanced valve actuator with remote location flow reset

#38
20140076408
2014-03-20

Method and apparatus for determining and controlling a static fluid pressure through a vibrating meter

#39
20140069527
2014-03-13

Pressure based mass flow controller

#40
20140069516
2014-03-13

Household electronic mixing-valve device

#41
20140069399
2014-03-13

Turbo PCV valve

#42
20130220433
2013-08-29

Apparatus for dividing and supplying gas and method for dividing and supplying gas by use of this apparatus

#43
20130186486
2013-07-25

System for and method of monitoring flow through mass flow controllers in real time

#44
20130153062
2013-06-20

Gas valve with fuel rate monitor

#45
20130105007
2013-05-02

Flow control valve

#46
20130092258
2013-04-18

FLOW RATE CONTROL DEVICE, AND DIAGNOSTIC DEVICE AND RECORDING MEDIUM RECORDED WITH DIAGNOSTIC PROGRAM USED FOR FLOW RATE CONTROL DEVICE

#47
20130092257
2013-04-18

Flow rate control device, diagnostic device for use in flow rate measuring mechanism or for use in flow rate control device including the flow rate measuring mechanism and recording medium having diagnostic program recorded thereon for use in the same

#48
20130092256
2013-04-18

FLOW RATE CONTROL DEVICE, DIAGNOSTIC DEVICE FOR USE IN FLOW RATE MEASURING MECHANISM OR FOR USE IN FLOW RATE CONTROL DEVICE INCLUDING THE FLOW RATE MEASURING MECHANISM AND RECORDING MEDIUM HAVING DIAGNOSTIC PROGRAM RECORDED THEREON FOR USE IN THE SAME

#49
20120325338
2012-12-27

Automatic balancing valve

#50
20120298220
2012-11-29

Pressure type flow rate control device

#51
20120291885
2012-11-22

Alternative pressure control for a low constant pressure injection molding apparatus

#52
20120273061
2012-11-01

Piezoelectrically driven valve and piezoelectrically driven flow rate control device

#53
20120241023
2012-09-27

CONTROL VALVE DEVICE

#54
20120241022
2012-09-27

Relief valve device

#55
20120234406
2012-09-20

Pressure type flow rate control reference and corrosion resistant pressure type flow rate controller used for the same

#56
20120222751
2012-09-06

Gas supplying apparatus, cylinder cabinet provided with the same, valve box, and substrate process apparatus

#57
20120211103
2012-08-23

Backup pneumatic water pressure device

#58
20120174992
2012-07-12

Apparatus and method for pressure fluctuation insensitive mass flow control

#59
20120090704
2012-04-19

Liquid flow controller and precision dispense apparatus and system

#60
20120031499
2012-02-09

Method and apparatus for controlling gas flow via a gas shut-off valve assembly

#61
20120024393
2012-02-02

Method and device for detecting the flow of a liquid

#62
20110247696
2011-10-13

Mass flow controller with enhanced operating range

#63
20110226354
2011-09-22

Flow Controller

#64
20110071688
2011-03-24

In situ emission measurement for process control equipment

#65
20100324743
2010-12-23

Apparatus and method for pressure fluctuation insensitive mass flow control

#66
20100301238
2010-12-02

Bi-directional overpressure shut-off valve

#67
20100219933
2010-09-02

Gas cutoff apparatus

#68
20100193058
2010-08-05

Connection fitting

#69
20100154895
2010-06-24

Pressure sensor, differential pressure type flow meter, and flow rate controller

#70
20100147394
2010-06-17

System and method for decentralized balancing of hydronic networks

#71
20100139775
2010-06-10

Flow rate range variable type flow rate control apparatus

#72
20100043912
2010-02-25

Kit and device for connecting and transferring fluid and the use of said device

#73
20100024901
2010-02-04

Relief valve

#74
20100018482
2010-01-28

Valvetrain oil control system and oil control valve

#75
20090314362
2009-12-24

Switching valve with slider

#76
20090230336
2009-09-17

Liquid flow controller and precision dispense apparatus and system

#77
20090183788
2009-07-23

Regulator unit and method for regulating a flap opening of a flap situated in a mass flow line

#78
20090146089
2009-06-11

Pressure type flow rate control reference and corrosion resistant pressure type flow rate controller used for the same

#79
20090114391
2009-05-07

Method for autonomous control of a chemical injection system for oil and gas wells

#80
20080188991
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#81
20080185050
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#82
20080185049
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#83
20080184781
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#84
20080178947
2008-07-31

Volume flow control system

#85
20080121811
2008-05-29

Method and apparatus for extending equipment uptime in ion implantation

#86
20080091306
2008-04-17

Apparatus and method for pressure fluctuation insensitive mass flow control

#87
20080047607
2008-02-28

Controlling the flow of vapors sublimated from solids

#88
20080041459
2008-02-21

GAS STORAGE AND DISPENSING SYSTEM FOR VARIABLE CONDUCTANCE DISPENSING OF GAS AT CONSTANT FLOW RATE

#89
20070260412
2007-11-08

Attitude insensitive flow device system and method

#90
20070256739
2007-11-08

Single system for low or high pressure gases control and high or low pressure gases control valve

#91
20070241689
2007-10-18

Method and apparatus for extending equipment uptime in ion implantation

#92
20070210260
2007-09-13

Method and apparatus for extending equipment uptime in ion implantation

#93
20070175521
2007-08-02

Metering orifice arrangement for a hydraulic current divider and current adding device

#94
20070169564
2007-07-26

In situ emission measurement for process control equipment

#95
20070044843
2007-03-01

Apparatus for controlling and metering fluid flow

#96
20060275179
2006-12-07

Microfluidic device

#97
20060173642
2006-08-03

Apparatus and method for pressure fluctuation insensitive mass flow control

#98
20060090797
2006-05-04

Gas storage and dispensing system for variable conductance dispensing of gas at constant flow rate

#99
20060009926
2006-01-12

Attitude insensitive flow device system and method

#100
20050173003
2005-08-11

Liquid flow controller and precision dispense apparatus and system

#101
20050060078
2005-03-17

Automatic fluid draining from a hydraulic system component of an automatic transmission

#102
20050051215
2005-03-10

Apparatus for controlling and metering fluid flow