ClassID:

248403

Y10T137/0379 - page 2 - CPC Classification

Classification description:

Fluid handling; Processes; With control of flow by a condition or characteristic of a fluid By fluid pressure

Recent Application in this class:
#301
20100263733
2010-10-21

Dental syringe

#302
20100258747
2010-10-14

Systems and methods for protecting an EUV light source chamber from high pressure source material leaks

#303
20100258084
2010-10-14

FUEL-PUMPING SYSTEM, METHOD FOR OPERATING A FUEL-PUMPING SYSTEM AND FUEL-INJECTION SYSTEM COMPRISING A FUEL-PUMPING SYSTEM

#304
20100243065
2010-09-30

Valve assemblies and related systems and methods

#305
20100236643
2010-09-23

System and method for flow monitoring and control

#306
20100224259
2010-09-09

Methods and devices for reducing water consumption

#307
20100224258
2010-09-09

Check valve with modulation and/or anti-oscillation feature

#308
20100224170
2010-09-09

Fuel supply system for internal combustion engine

#309
20100223208
2010-09-02

Fluid storage and purification method and system

#310
20100222930
2010-09-02

Diaphragm valve controlled through electronic pressure detection and method

#311
20100218833
2010-09-02

Method of monitoring wear in a diaphragm valve using pressure detection

#312
20100218829
2010-09-02

Diaphragm valve with electronic pressure detection

#313
20100212912
2010-08-26

Method of controlling flow through a drill string using a valve positioned therein

#314
20100210201
2010-08-19

Outlet valve for an airplane

#315
20100206388
2010-08-19

Relief valve for a turbocharger

#316
20100206309
2010-08-19

Gas flow regulating device

#317
20100163774
2010-07-01

Fluid control valve

#318
20100147394
2010-06-17

System and method for decentralized balancing of hydronic networks

#319
20100139779
2010-06-10

Valve system

#320
20100139775
2010-06-10

Flow rate range variable type flow rate control apparatus

#321
20100126601
2010-05-27

Pilot valve for a pressure reducing valve

#322
20100118298
2010-05-13

Flow cell for a flow cytometer system

#323
20100116348
2010-05-13

System And Method For Evacuating A Vacuum Chamber

#324
20100101654
2010-04-29

Gas flow device

#325
20100095890
2010-04-22

GAS SUPPLY SYSTEM, PUMPING SYSTEM, COATING SYSTEM, GAS SUPPLY METHOD, AND PUMPING METHOD

#326
20100089460
2010-04-15

VALVE, DEVICE AND METHOD FOR THE GENERATION OF A FLUID PULSE

#327
20100071776
2010-03-25

Fluid control valve system and methods

#328
20100071775
2010-03-25

Subsea system and method for protecting equipment of a subsea system

#329
20100064891
2010-03-18

Reactive gas control

#330
20100043887
2010-02-25

Backflow and flow rate control valve

#331
20100037960
2010-02-18

Versatile emergency shutdown device controller implementing a pneumatic test for a system instrument device

#332
20100024889
2010-02-04

Unidirectional Flow Device and Methods of Use

#333
20090320929
2009-12-31

Method for controlling a compressed air installation and controller and compressed air installation for employing such a method

#334
20090320928
2009-12-31

MULTI-TRACK ROTARY VALVE IN COMBINATION WITH A PRESSURE REDUCER AND METHOD FOR OPERATING THE COMBINATION

#335
20090317317
2009-12-24

Fluid storage and purification method and system

#336
20090308460
2009-12-17

Rocker type diaphragm valve

#337
20090308273
2009-12-17

Active vortex control system (AVOCS) method for isolation of sensitive components from external environments

#338
20090305216
2009-12-10

EXPERIMENTAL METHOD FOR SCIENTIFIC PHENOMENON EVALUATING APPARATUS, AND SCIENTIFIC PHENOMENON EVALUATING APPARATUS

#339
20090301566
2009-12-10

Adjustable backflow prevention device

#340
20090294746
2009-12-03

Electrohydraulic leak compensation

#341
20090294415
2009-12-03

System and method for start flow approach control for a proportional valve in a plasma cutter

#342
20090294413
2009-12-03

Method and apparatus for proportional valve actuation in a plasma cutter

#343
20090293964
2009-12-03

Mechanical fuse to seal pipes upon unintended rupture

#344
20090260691
2009-10-22

Constant flow valve mechanism

#345
20090250124
2009-10-08

Pressure regulator

#346
20090250116
2009-10-08

FLOW RATE CONTROLLING APPARATUS

#347
20090223567
2009-09-10

Nitrous oxide safety system

#348
20090216350
2009-08-27

Control valve and positioner diagnostics

#349
20090193908
2009-08-06

Fluid flow controller

#350
20090192446
2009-07-30

Pressure responsive fluid flow control valves

#351
20090183777
2009-07-23

System and method for dynamic solenoid response adjust control

#352
20090183549
2009-07-23

Method and apparatus for in situ testing of gas flow controllers

#353
20090183548
2009-07-23

Method and apparatus for in situ testing of gas flow controllers

#354
20090178715
2009-07-16

Pressure relief valve

#355
20090178714
2009-07-16

FLOW CONTROL SYSTEM AND METHOD FOR MULTIZONE GAS DISTRIBUTION

#356
20090173390
2009-07-09

Method and a system for enhanced flow line control

#357
20090151422
2009-06-18

Microfabricated elastomeric valve and pump systems

#358
20090139577
2009-06-04

METHOD OF USING TRIGGERABLE PASSIVE VALVES TO CONTROL THE FLOW OF FLUID

#359
20090126798
2009-05-21

Autonomous Shut-Off Valve System

#360
20090120517
2009-05-14

SELF REGULATING VALVE TO OBTAIN LOW DIFFERENTIAL AIR PRESSURE CONTROL

#361
20090114391
2009-05-07

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

#362
20090112372
2009-04-30

Adaptive feedback sources for application controllers

#363
20090101213
2009-04-23

APPARATUS FOR CONTROLLING AND METERING FLUID FLOW

#364
20090084447
2009-04-02

Diaphragm based spontaneous inflation inhibitor in a pump for an inflatable prosthesis

#365
20090078237
2009-03-26

Fuel supply system for internal combustion engine

#366
20090078055
2009-03-26

Methods and apparatus for pressure compensation in a mass flow controller

#367
20090032261
2009-02-05

Valve

#368
20090019943
2009-01-22

Gas flow rate verification unit

#369
20090007967
2009-01-08

Method of Coating a Pipe Element or Device Used to Convey Gaseous Oxygen

#370
20090004033
2009-01-01

Pumping cassette

#371
20080314458
2008-12-25

Method and Device for Regulating a Pressure and/or a Volume Flow of a Fluid

#372
20080314449
2008-12-25

Check valve

#373
20080308157
2008-12-18

Methods and apparatus to determine a position of a valve

#374
20080289693
2008-11-27

Diaphragm valve for irrigation systems

#375
20080277005
2008-11-13

Microfabricated elastomeric valve and pump systems

#376
20080253912
2008-10-16

Pumping cassette

#377
20080253911
2008-10-16

Pumping Cassette

#378
20080251146
2008-10-16

System and method for hydraulically managing fluid pressure downstream from a main valve between set points

#379
20080251130
2008-10-16

SYSTEM AND METHOD FOR HYDRAULICALLY MANAGING FLUID PRESSURE DOWNSTREAM FROM A MAIN VALVE

#380
20080236669
2008-10-02

Microfabricated elastomeric valve and pump systems

#381
20080223467
2008-09-18

Method and device for regulating a pressure in a hydraulic system

#382
20080223448
2008-09-18

Mixing eductor

#383
20080220216
2008-09-11

MICROFABRICATED ELASTOMERIC VALVE AND PUMP SYSTEMS

#384
20080211118
2008-09-04

FLUID STORAGE AND DISPENSING APPARATUS

#385
20080210633
2008-09-04

Fluid storage and purification method

#386
20080208111
2008-08-28

Peritoneal dialysis sensor apparatus systems, devices and methods

#387
20080208103
2008-08-28

Pumping cassette

#388
20080202591
2008-08-28

Cassette system integrated apparatus

#389
20080188991
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#390
20080185050
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#391
20080185049
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#392
20080184781
2008-08-07

FLUID SUPPLY MONITORING SYSTEM

#393
20080173365
2008-07-24

Microfabricated elastomeric valve and pump systems

#394
20080163938
2008-07-10

Apparatus, system and method for water-conserving irrigation utilizing check-valve screens

#395
20080163936
2008-07-10

Control valve and positioner diagnostics

#396
20080149182
2008-06-26

LINEAR MOTOR TO CONTROL HYDRAULIC FORCE

#397
20080128026
2008-06-05

Dry pipe valve for fire protection sprinkler system

#398
20080121283
2008-05-29

Device and method for regulating a level of fluid in a vessel

#399
20080115840
2008-05-22

Gas block device and gas block method

#400
20080103742
2008-05-01

Coupled algorithms on quadrilateral grids for generalized axi-symmetric viscoelastic fluid flows

#401
20080092961
2008-04-24

Flow cytometer system with unclogging feature

#402
20080082215
2008-04-03

Method and apparatus for enhancing operation of a fluid transport pipeline

#403
20080078447
2008-04-03

Low vapor pressure high purity gas delivery system

#404
20080060700
2008-03-13

Method and apparatus for generating large pressures on a microfluidic chip

#405
20080041459
2008-02-21

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

#406
20080041452
2008-02-21

Check valve assemblies and related methods

#407
20080041451
2008-02-21

Underwater exhaust system and method

#408
20080035877
2008-02-14

Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method

#409
20080035207
2008-02-14

Microfluidic channels and reservoirs in portable electronic devices

#410
20080035204
2008-02-14

Loss reduction apparatus

#411
20080035203
2008-02-14

Wheel having temperature compensated and controlled pressure

#412
20080029090
2008-02-07

Underwater exhaust system and method

#413
20080009978
2008-01-10

Multi-mode control algorithm

#414
20070289644
2007-12-20

Pressure regulator

#415
20070288180
2007-12-13

Methods and apparatus for pressure compensation in a mass flow controller

#416
20070272310
2007-11-29

System And Method For Evacuating A Vacuum Chamber

#417
20070260415
2007-11-08

Optimizing thermal performance using thermal flow analysis

#418
20070251575
2007-11-01

Method for load-dependent air quality control in a pneumatic spring system

#419
20070215209
2007-09-20

Apparatus and methods to dispense fluid from a bank of containers and to refill same

#420
20070204908
2007-09-06

High purity carbon dioxide delivery system using dewars

#421
20070198131
2007-08-23

Mass flow rate-controlling apparatus

#422
20070138201
2007-06-21

Flow volume limiting device

#423
20070131282
2007-06-14

Pressure-insensitive mass flow controller

#424
20070107783
2007-05-17

Method and apparatus for providing a determined ratio of process fluids

#425
20070089787
2007-04-26

Momentary high pressure valve

#426
20070074489
2007-04-05

Method for Introducing Volatile Liquids into the Housings of Electrical Components and for Closing the Housings

#427
20070068577
2007-03-29

Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method

#428
20070056638
2007-03-15

Leak detection and isolation for segmented inflatable structures

#429
20070051409
2007-03-08

Pressure responsive fluid flow control valves

#430
20070044843
2007-03-01

Apparatus for controlling and metering fluid flow

#431
20070028980
2007-02-08

Mixing eductor

#432
20070017580
2007-01-25

Pressure regulator

#433
20060289059
2006-12-28

Method for mixing inside a capillary and devices for achieving same

#434
20060272704
2006-12-07

Systems and methods for monitoring and controlling fluid consumption

#435
20060272703
2006-12-07

Method and apparatus for providing a determined ratio of process fluids

#436
20060254643
2006-11-16

System and method for monitoring the performance of an inert gas distribution system

#437
20060249204
2006-11-09

Shear valve employing two-stage poppet valve, particularly for use in fueling environments

#438
20060226074
2006-10-12

Fluid storage and purification method and system

#439
20060226073
2006-10-12

Fluid storage and purification method and system

#440
20060226072
2006-10-12

Fluid storage and purification method and system

#441
20060219299
2006-10-05

Versatile emergency shutdown device controller implementing a pneumatic test for a system instrument device

#442
20060173642
2006-08-03

Apparatus and method for pressure fluctuation insensitive mass flow control

#443
20060157106
2006-07-20

Nitrous oxide and fuel control valve for nitrous oxide injection system

#444
20060112994
2006-06-01

Fire-fighting monitor with remote control

#445
20060096763
2006-05-11

Dry pipe valve for fire protection sprinkler system

#446
20060090797
2006-05-04

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

#447
20060076061
2006-04-13

Diaphragm valve with electronic pressure detection

#448
20060048822
2006-03-09

Pressure regulator

#449
20060011237
2006-01-19

Method and system for flow measurement and validation of a mass flow controller

#450
20060005882
2006-01-12

Method and system for flow measurement and validation of a mass flow controller

#451
20060005878
2006-01-12

Dash control valve with two step function for park release

#452
20050274417
2005-12-15

Process equipment validation

#453
20050247558
2005-11-10

Electrokinetic delivery systems, devices and methods

#454
20050241698
2005-11-03

Method and apparatus for providing a determined ratio of process fluids

#455
20050241697
2005-11-03

Method for closing fluid passage, and water hammerless valve device and water hammerless closing device used in the method

#456
20050238555
2005-10-27

Gas regulator

#457
20050235990
2005-10-27

Underwater exhaust system

#458
20050235989
2005-10-27

Underwater exhaust system

#459
20050229968
2005-10-20

System and method for monitoring the performance of an inert gas distribution system

#460
20050223813
2005-10-13

Methods and apparatus for pressure compensation in a mass flow controller

#461
20050220630
2005-10-06

Method of using triggerable passive valves to control the flow of fluid

#462
20050217732
2005-10-06

Apparatus for controlling the pressure in a process chamber and method of operating same

#463
20050189018
2005-09-01

System and method for flow monitoring and control

#464
20050189016
2005-09-01

Recirculation system

#465
20050178442
2005-08-18

Flow-measuring valve device and method

#466
20050178433
2005-08-18

Modulating bypass control system and method

#467
20050171709
2005-08-04

System for the monitor and control of rest rooms

#468
20050166980
2005-08-04

Microfabricated elastomeric valve and pump systems

#469
20050155409
2005-07-21

Flow regulator device for an analytical circuit and its use in chromatography

#470
20050081928
2005-04-21

Flow control valve

#471
20050076958
2005-04-14

Control apparatus, method and diagnostic for hydraulic fill and drain

#472
20050072468
2005-04-07

Vacuum drainage system

#473
20050051215
2005-03-10

Apparatus for controlling and metering fluid flow

#474
20050021189
2005-01-27

Self-contained electronic pressure monitoring and shutdown device

#475
20050000570
2005-01-06

Combination manual/pneumatic shut-off valve