ClassID:

152248

F16K15/063 - page 2 - CPC Classification

Classification description:

Check valves with guided rigid valve members with guided stems the valve being loaded by a spring

Recent Application in this class:
#301
20160102771
2016-04-14

Valve device

#302
20160061342
2016-03-03

Balanced poppet float vent valve

#303
20160025233
2016-01-28

Pressure relief valve with singular body

#304
20160018013
2016-01-21

Check valve element and check valve using the same

#305
20160003366
2016-01-07

Pressure relief module

#306
20150330521
2015-11-19

Contamination resistant cartridge valve

#307
20150300518
2015-10-22

Structure of check valve

#308
20150250352
2015-09-10

Check valve, injection assembly, and beverage preparation machine

#309
20150240961
2015-08-27

Electrically controlled pressure control valve for an adjustable hydrostatic pump

#310
20150226346
2015-08-13

Piston-type one-way valve

#311
20150219234
2015-08-06

Valve unit and motor vehicle

#312
20150203204
2015-07-23

Compact check valve for aircraft galley plumbing system

#313
20150198257
2015-07-16

Variable suction device for an A/C compressor to improve nvh by varying the suction inlet flow area

#314
20150184765
2015-07-02

Valve unit with axial pressure medium unit

#315
20150144826
2015-05-28

Valve seats for use in fracturing pumps

#316
20150129057
2015-05-14

Static back pressure regulator

#317
20150122353
2015-05-07

Check valve and pumping system

#318
20150112289
2015-04-23

Wearable external ventricular drain system

#319
20150107702
2015-04-23

Safety valve for cryogenic insulated gas cylinder

#320
20150107701
2015-04-23

Regulator valve

#321
20150065956
2015-03-05

Systems and methods for monitoring an injection procedure

#322
20150037113
2015-02-05

Valve

#323
20150000748
2015-01-01

Check valve apparatus and methods

#324
20140360599
2014-12-11

Fluid regulator

#325
20140347867
2014-11-27

Pressure relief valve devices and methods

#326
20140345706
2014-11-27

Non-return valve

#327
20140345705
2014-11-27

Flow activated circulating valve

#328
20140316325
2014-10-23

CSF shunt valve

#329
20140305521
2014-10-16

Dynamic valve seal arrangement

#330
20140224337
2014-08-14

Pipe comprising a pressure relief valve

#331
20140182716
2014-07-03

Flow control valves

#332
20140124065
2014-05-08

Check valve assembly

#333
20140103234
2014-04-17

AIRFLOW REGULATING VALVE ASSEMBLY

#334
20140083534
2014-03-27

Low turbulence valve

#335
20140070127
2014-03-13

Fluid end with carbide valve seat and adhesive dampening interface

#336
20140060672
2014-03-06

Pressure-limiting valve

#337
20140057197
2014-02-27

Fuel supply systems having operational resistance

#338
20140048148
2014-02-20

Pressure relief valve with singular body

#339
20140020774
2014-01-23

CHECK VALVE HAVING AN OPTIMIZED CLOSING ELEMENT

#340
20140020772
2014-01-23

Low noise relief valve

#341
20130333502
2013-12-19

Handle mechanism for an HVAC damper actuator

#342
20130330221
2013-12-12

Valve, in particular outlet valve of a hydraulic piston pump

#343
20130327429
2013-12-12

Bypass valve, device comprising bypass valve, and filter insert of the device

#344
20130291968
2013-11-07

Valve with proof of closure

#345
20130284958
2013-10-31

PRESSURE AUGMENTATION VALVE

#346
20130284285
2013-10-31

Pressure control valve for reactive adhesives

#347
20130256577
2013-10-03

Fuel system valve assembly

#348
20130239570
2013-09-19

Boost pressure control system for turbocharged internal combustion engines

#349
20130228241
2013-09-05

Check valve system for managing fluids

#350
20130199633
2013-08-08

Pressure release valve assembly for pressure cooker

#351
20130146159
2013-06-13

FLOW CONTROLLABLE CONNECTOR FOR HOME APPLIANCES

#352
20130092864
2013-04-18

Check valve

#353
20130092261
2013-04-18

CHECK VALVE

#354
20130075634
2013-03-28

Solenoid valve having flow control function

#355
20130067882
2013-03-21

Bleed air duct joint insulation means

#356
20130061942
2013-03-14

RESETTABLE RELIEF VALVE

#357
20130037739
2013-02-14

DRIPFREE GASOLINE NOZZLE

#358
20130020521
2013-01-24

PRECONFIGURED SEAL FOR VALVE ASSEMBLIES

#359
20120292829
2012-11-22

Valve for making hollow footwear soles and method for using the same

#360
20120285551
2012-11-15

Nose seal for surge relief valves

#361
20120241031
2012-09-27

Non-return valve and filter arrangement

#362
20120234420
2012-09-20

Steam supply system and check valve for use therein

#363
20120223095
2012-09-06

Valve for a fluid flow connector having an overmolded plunger

#364
20120217428
2012-08-30

Valve assembly

#365
20120187321
2012-07-26

Easily replaceable valve assembly for a high pressure pump

#366
20120174991
2012-07-12

FLOW-THROUGH TRAP PRIMER VALVE ASSEMBLY

#367
20120160346
2012-06-28

Nozzle check valve

#368
20120156533
2012-06-21

Air valve for energy storage device and energy storage device including the same

#369
20120152387
2012-06-21

Automatic water distributor

#370
20120145251
2012-06-14

Discharge vacuum relief valve for safety vacuum release system

#371
20120118406
2012-05-17

System for increasing the efficiency of a water meter

#372
20120060943
2012-03-15

Water hammer proof and silent check valve

#373
20120057964
2012-03-08

Impeller type water-hammer proof and silent check valve

#374
20120048403
2012-03-01

Passive fluid flow regulator

#375
20120006740
2012-01-12

FILTER ASSEMBLY WITH REUSABLE BYPASS VALVE

#376
20110315271
2011-12-29

Device for filling a tank by gravity or under pressure

#377
20110277872
2011-11-17

Device for selectively blocking a fluid passage

#378
20110259433
2011-10-27

Electric motor actuated stop and self-closing check valve

#379
20110214759
2011-09-08

Pressure relief valve and vent assembly

#380
20110192608
2011-08-11

Self centering downhole float valve for vertical and lateral wells

#381
20110180163
2011-07-28

Vacuum relief valve

#382
20110175009
2011-07-21

FLUID REGULATOR

#383
20110162732
2011-07-07

ANTI-SIPHON CHECK VALVE

#384
20110079302
2011-04-07

Pump Valve with Full Elastomeric Contact on Seat

#385
20110073199
2011-03-31

Vacuum relief valve and method for assembling the same

#386
20110036408
2011-02-17

Check valve apparatuses and methods

#387
20110005618
2011-01-13

Check valve

#388
20110000556
2011-01-06

NON-RETURN VALVE HAVING IMPROVED AUTOMATIC RECIRCULATION

#389
20100313968
2010-12-16

Inflation valve

#390
20100288961
2010-11-18

Valve component

#391
20100288959
2010-11-18

Discharge valve

#392
20100288958
2010-11-18

Suction valve

#393
20100257916
2010-10-14

ACCURACY ENHANCING VALVE ASSEMBLY AND RELATED METHOD OF USE

#394
20100180962
2010-07-22

VACUUM RELIEF ASSEMBLY WITH CONTAMINANT SCREEN

#395
20100163645
2010-07-01

Poppet check valve for air-assisted spray gun

#396
20100135833
2010-06-03

Pump valve retainer

#397
20100108162
2010-05-06

Pipe coupling member for high-pressure fluid

#398
20100101668
2010-04-29

Check Valve

#399
20100090138
2010-04-15

VALVE

#400
20100072409
2010-03-25

Reclosable vacuum-tight pressure-relief device having a deformable seal member

#401
20100038577
2010-02-18

Zero-leak variable rate high pressure metering valve

#402
20100024891
2010-02-04

Poppet valve with diverging-converging flow passage and method to reduce total pressure loss

#403
20100006159
2010-01-14

Pressure relief valves

#404
20090324437
2009-12-31

Pump valve having a limiting element

#405
20090301584
2009-12-10

Low pressure relief valve and method of manufacturing same

#406
20090301577
2009-12-10

Combination Venturi Check Valve

#407
20090289207
2009-11-26

Airflow regulating valve assembly

#408
20090283157
2009-11-19

Check Valve Assembly

#409
20090278069
2009-11-12

Multiple piece frac valve insert

#410
20090274566
2009-11-05

CHECK VALVE WITH PLASTIC LIP SEAL

#411
20090266441
2009-10-29

Board storage container and check valve

#412
20090250123
2009-10-08

Check valve

#413
20090229675
2009-09-17

IN-LINE FILTER/FLOW REGULATOR/ANTI-SIPHON DEVICE

#414
20090183782
2009-07-23

PRESSURE RELIEF VALVE WITH SINGULAR BODY

#415
20090145497
2009-06-11

CHECK VALVE

#416
20090000676
2009-01-01

Non-return valve

#417
20080314449
2008-12-25

Check valve

#418
20080240952
2008-10-02

High-Pressure Pump, in Particular for a Fuel Injection System of an Internal Combustion Engine

#419
20080237375
2008-10-02

Connecting tube structure

#420
20080229736
2008-09-25

EXHAUST GAS CHARGER FOR A VEHICLE ENGINE

#421
20080145739
2008-06-19

Fuel supply systems having operational resistance

#422
20080067466
2008-03-20

Valve device for fuel tank

#423
20080061257
2008-03-13

Electric motor actuated stop and self-closing check valve

#424
20080047621
2008-02-28

Check Valve

#425
20080029166
2008-02-07

Air valve device for an inflatable article

#426
20070295411
2007-12-27

Pump valve retainer

#427
20070291581
2007-12-20

Micromixer

#428
20070262501
2007-11-15

Valve mechanism for a gas suspension system

#429
20070193633
2007-08-23

SELF-CONTAINED CHECK VALVE MODULE

#430
20070157972
2007-07-12

One way check valve for a fire hydrant water meter

#431
20070138423
2007-06-21

Valve for a fluid flow connector having an overmolded plunger

#432
20070107784
2007-05-17

Pressure control valve

#433
20070095405
2007-05-03

Check valve

#434
20070074760
2007-04-05

Inflatable device

#435
20070044848
2007-03-01

Check valve

#436
20070039652
2007-02-22

Rotating bonded valve assembly

#437
20070028965
2007-02-08

Fluid proportioning valve

#438
20070000547
2007-01-04

Mixing valve

#439
20070000544
2007-01-04

Valve assembly for positive displacement pumps

#440
20060289070
2006-12-28

Explusion valve assembly

#441
20060289069
2006-12-28

Latched valve assembly

#442
20060278280
2006-12-14

Check valve

#443
20060278279
2006-12-14

Flow regulating device

#444
20060266971
2006-11-30

Value for portable hermetic containers

#445
20060266421
2006-11-30

Check valve

#446
20060260693
2006-11-23

High impact discharge valve

#447
20060260684
2006-11-23

Backflow preventer

#448
20060202150
2006-09-14

Valve assembly with angled valve guide

#449
20060196562
2006-09-07

Valves for fuel cartridges

#450
20060196556
2006-09-07

Poppet valve member

#451
20060130903
2006-06-22

Check valve

#452
20060124176
2006-06-15

Valve apparatus

#453
20060102235
2006-05-18

Integratable sanitary part

#454
20060076062
2006-04-13

Backflow preventer

#455
20060070667
2006-04-06

Anti-siphonable inlet check valve

#456
20060060248
2006-03-23

Sanitary fitting

#457
20060054848
2006-03-16

Compressor bypass valve for use in multistage supercharging

#458
20060039811
2006-02-23

Check valve for a high-pressure pump of a fuel injection system for an internal combustion engine

#459
20060037648
2006-02-23

Siphonable check valve and method of making same

#460
20060021659
2006-02-02

Hose adapter incorporating a valve and a method of manufacturing the same

#461
20060011238
2006-01-19

Backflow preventer

#462
20050279413
2005-12-22

Flow control switch

#463
20050269535
2005-12-08

Electric motor actuated stop and self-closing check valve

#464
20050166971
2005-08-04

Y-pattern piston check valve, piston valve assembly for a Y-pattern piston check valve, and method

#465
20050145809
2005-07-07

Multifunctional valve device

#466
20050139267
2005-06-30

Valve device having solid engaging structure

#467
20050126645
2005-06-16

Frost free valve assembly

#468
20050109404
2005-05-26

Water re-circulation valve

#469
20050098753
2005-05-12

Coupling member of a pipe coupling and valve body used in a coupling member

#470
20050092958
2005-05-05

Valve assembly and method

#471
20050081830
2005-04-21

Pressure regulating valve for automotive fuel system

#472
20050077370
2005-04-14

Method for cleaning a surface

#473
20050062000
2005-03-24

Electric motor actuated stop and self-closing check valve

#474
20050022882
2005-02-03

Frost free valve assembly

#475
20050000571
2005-01-06

Suction valve

#476
19313277
2026-05-19

Innovative two-stage pressure control water valve

#477
18872412
2025-11-11

Devices, systems, and methods for relieving and regulating pressure during the performance of a fluid service on a machine

#478
18496561
2024-10-01

Resilient metal seal for check valve

#479
18328522
2025-11-18

Fluid damped check valve, and associated systems and methods

#480
18151358
2023-11-07

Resilient metal seal for check valve

#481
18131887
2024-10-01

High pressure axial flow check valve

#482
18072150
2024-03-19

Integrated diverter valve with dual gas path for ventilator and anesthesia systems

#483
17959172
2024-01-16

Vacuum breaker valve

#484
17649447
2023-01-03

Automatic control valve with micro-hydro generator

#485
17589947
2023-06-20

Sequence valve with a reverse free flow configuration integrated therewith

#486
17516335
2023-07-18

Fluid damped check valve, and associated systems and methods

#487
17341377
2023-01-10

Resilient metal seal for check valve

#488
17175506
2022-07-12

Pop-up emitter

#489
16929241
2022-02-08

Dual use valve member for a valve assembly

#490
16813388
2021-11-16

Fluid damped check valve, and associated systems and mei'hods

#491
16572317
2023-09-05

Pressure relief valves for underwater use

#492
16436356
2020-10-20

Multi-material frac valve poppet

#493
16123050
2020-05-12

Refillable gas tank with pneumatic valve controller

#494
15797920
2019-09-17

Pressure relief valves for underwater use

#495
15789227
2019-10-29

Hydrant-mountable pressure control and relief valve apparatus

#496
15635907
2018-10-23

Fuel tank joint

#497
15601621
2018-10-09

Self-closing drain plugs with redundant sealing

#498
15480642
2018-11-13

Apparatus, systems and methods for managing fluids

#499
15141340
2017-10-03

Apparatuses and systems for regulating fluids through a pipe and methods of using the same

#500
15132539
2016-08-30

Modular check valve system

#501
14679092
2016-08-02

Fluid control apparatus, systems and methods

#502
14336470
2016-04-19

Valve apparatus for regulating fluids through a pipe