ClassID:

152367

F16K27/0209 - page 2 - CPC Classification

Classification description:

Construction of housing ; Use of materials therefor of lift valves Check valves or pivoted valves

Recent Application in this class:
#301
20170356555
2017-12-14

Check valve

#302
20170350523
2017-12-07

Check valve mounting structure

#303
20170328488
2017-11-16

Pressure relief system and method

#304
20170328316
2017-11-16

Multi-chamber blowoff valve

#305
20170306594
2017-10-26

Dual check backflow preventer

#306
20170299086
2017-10-19

Dual air admittance valve and method of detecting leaks in the same

#307
20170298603
2017-10-19

Dual Vertical Check Valve

#308
20170298602
2017-10-19

Air admittance and check valve

#309
20170292620
2017-10-12

Guided check valve

#310
20170271188
2017-09-21

SUBSTRATE CONTAINER VALVE ASSEMBLIES

#311
20170204984
2017-07-20

Check valves

#312
20170204981
2017-07-20

Check valves and flapper arrangements therefor

#313
20170198668
2017-07-13

Fuel control system

#314
20170188745
2017-07-06

Filter assembly for a beverage dispenser

#315
20170175930
2017-06-22

Noise reducing filler valve

#316
20170175368
2017-06-22

Mechanically operated hot water bypass valve operated without electricity

#317
20170173322
2017-06-22

Urological system that includes connector with integrated non-return check valve for extension tubing and urology collection systems

#318
20170167808
2017-06-15

APPARATUS FOR PROTECTING NEGATIVE PRESSURE

#319
20170167632
2017-06-15

Check valves

#320
20170167620
2017-06-15

Check valves

#321
20170167619
2017-06-15

Check valve having a friction free replaceable valve insert check assembly

#322
20170159838
2017-06-08

Multi-stage poppet valve

#323
20170159834
2017-06-08

Check valve

#324
20170159655
2017-06-08

Valve stop retainer device

#325
20170146142
2017-05-25

Semi-impermeable closure device

#326
20170138517
2017-05-18

COUPLING ELEMENT FOR CONNECTING FLUID CONDUCTING CONDUITS AND CORRESPONDING COUPLING ARRANGEMENT

#327
20170138499
2017-05-18

Valve device

#328
20170138498
2017-05-18

Valve pressure assembly and methods of operating the same

#329
20170138494
2017-05-18

Check valve

#330
20170138493
2017-05-18

Valve device

#331
20170122446
2017-05-04

RELIEF VALVE

#332
20170122445
2017-05-04

Gravity drain valve

#333
20170122274
2017-05-04

One-way valve and fuel separating apparatus including the same

#334
20170108135
2017-04-20

Non-return valve for a water supply system having a sealing body movably connected to a holder's receiver opening by one or more limbs and lugs

#335
20170108131
2017-04-20

CHECK VALVE

#336
20170102085
2017-04-13

Subsea BOP control system with dual-action check valve

#337
20170089478
2017-03-30

Flow control valve and method of manufacturing flow control valve housing

#338
20170073941
2017-03-16

Dual check backflow preventer

#339
20170051835
2017-02-23

Retainer for check valve

#340
20170037824
2017-02-09

Vented high pressure valve

#341
20170023141
2017-01-26

Swing check valve

#342
20170009437
2017-01-12

Air admittance and check valve

#343
20170002941
2017-01-05

Duckbill Valve Assembly

#344
20160363122
2016-12-15

Ring weld blocker in discharge check valve

#345
20160360935
2016-12-15

Global backflow prevention assembly

#346
20160356186
2016-12-08

Hollow poppet valve

#347
20160354599
2016-12-08

PRESSURE ACTIVATED VALVE FOR HIGH FLOW RATE AND PRESSURE VENOUS ACCESS APPLICATIONS

#348
20160327172
2016-11-10

Actuator assembly for a low flow-restriction shut-off valve with excess flow closure functionality

#349
20160327171
2016-11-10

Fluidic safety valve and battery component equipped therewith

#350
20160327169
2016-11-10

CHECK VALVE

#351
20160327163
2016-11-10

Low flow-restriction shut-off valve with excess flow closure functionality

#352
20160303497
2016-10-20

Fluid filter and relief valve assembly

#353
20160290521
2016-10-06

NON-RETURN VALVE/FILTER UNIT

#354
20160258544
2016-09-08

Nozzle-type check valve with piston

#355
20160252059
2016-09-01

FUEL SUPPLY DEVICE

#356
20160228689
2016-08-11

Umbrella check valve with reduced hemolysis

#357
20160208468
2016-07-21

Compact air stop valve for aircraft galley plumbing system

#358
20160178076
2016-06-23

Dual check backflow preventer

#359
20160146360
2016-05-26

Pressure sensitive valve assembly incorporating enhanced retention legs and fluid filter including the same

#360
20160131273
2016-05-12

Check valve and receptacle structure

#361
20160123486
2016-05-05

RELIEF VALVE

#362
20160123483
2016-05-05

Modular check valve

#363
20160109026
2016-04-21

Steam valve and steam turbine

#364
20160104903
2016-04-14

Valve device

#365
20160102772
2016-04-14

Pressure relief system and method

#366
20160101684
2016-04-14

Check valve

#367
20160084549
2016-03-24

Control valve

#368
20160067773
2016-03-10

Filtering check valve for metal casting

#369
20160061341
2016-03-03

VALVE DEVICE WITH ENHANCED RESEAT CAPABILITIES

#370
20160060996
2016-03-03

High performance subsea pressure regulator

#371
20160047290
2016-02-18

Device for controlling the supply of a fluid to a system allowing fluid consumption to be optimised

#372
20160040799
2016-02-11

Check valve housing

#373
20160040791
2016-02-11

Check valve

#374
20160032920
2016-02-04

Check valve with improved response time

#375
20160025233
2016-01-28

Pressure relief valve with singular body

#376
20150377372
2015-12-31

Convertible valve with retained conversion element

#377
20150362086
2015-12-17

Check valve for a fluid flow regulation system

#378
20150300518
2015-10-22

Structure of check valve

#379
20150284156
2015-10-08

Bio-degradable Compostable Valve

#380
20150250352
2015-09-10

Check valve, injection assembly, and beverage preparation machine

#381
20150226193
2015-08-13

Reciprocating refrigeration compressor suction valve seating

#382
20150219234
2015-08-06

Valve unit and motor vehicle

#383
20150204319
2015-07-23

Poppet valve for a compressor

#384
20150159591
2015-06-11

Non-return valve device for an internal combustion engine

#385
20150107701
2015-04-23

Regulator valve

#386
20150083242
2015-03-26

Relief valve

#387
20150041009
2015-02-12

Device for delivery of sample fluid

#388
20150020885
2015-01-22

Check valve assembly

#389
20150014565
2015-01-15

Check valve driving device for injecting gas

#390
20150001430
2015-01-01

Check valve for injecting gas

#391
20140373953
2014-12-25

Check valve with flexible membrane

#392
20140311596
2014-10-23

Check valve for variable capacity compressor of vehicle

#393
20140311593
2014-10-23

Relief valve

#394
20140166138
2014-06-19

Valve

#395
20140124065
2014-05-08

Check valve assembly

#396
20140110003
2014-04-24

Relievable check valve for medical lines

#397
20140083532
2014-03-27

Gas charging check valve and precision container apparatus with gas charging check valve

#398
20140083531
2014-03-27

Valves

#399
20140048148
2014-02-20

Pressure relief valve with singular body

#400
20140007955
2014-01-09

Captured check ball valve cartridge

#401
20130312851
2013-11-28

Low profile valves

#402
20130312844
2013-11-28

Compact air stop valve for aircraft galley plumbing system

#403
20130193748
2013-08-01

Check valve and braking system using the same

#404
20130146144
2013-06-13

Shape-memory apparatuses for restricting fluid flow through a conduit and methods of using same

#405
20130139912
2013-06-06

Vacuum pump

#406
20130048124
2013-02-28

Medical valve

#407
20120301341
2012-11-29

COMPRESSOR

#408
20120292829
2012-11-22

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

#409
20120227840
2012-09-13

Check valve of hydraulic brake system

#410
20120227839
2012-09-13

Check valve assembly for well stimulation operations

#411
20120227837
2012-09-13

CHECK VALVE OF HYDRAULIC BRAKE SYSTEM

#412
20120223095
2012-09-06

Valve for a fluid flow connector having an overmolded plunger

#413
20120216885
2012-08-30

Spring mounting cradle and valve guide for overpressure relief valve assembly

#414
20120192971
2012-08-02

Low-pressure inflatable valve

#415
20120187321
2012-07-26

Easily replaceable valve assembly for a high pressure pump

#416
20120138171
2012-06-07

Oil separator unit

#417
20110315909
2011-12-29

CONSTANT-RESIDUAL-PRESSURE VALVE

#418
20110226976
2011-09-22

Valve for control of high pressure air pressure air pulse

#419
20110217200
2011-09-08

Vacuum pump

#420
20110175010
2011-07-21

Valves

#421
20110174396
2011-07-21

Compressor safety valve

#422
20110089359
2011-04-21

Spring retaining sleeve

#423
20110076171
2011-03-31

Suction valve of variable capacity compressor for vehicle

#424
20110036423
2011-02-17

Relief Valve Device

#425
20110036422
2011-02-17

AIR OVER OIL LUBRICATION DEVICE

#426
20100237269
2010-09-23

VALVE DEVICE

#427
20100206404
2010-08-19

BALL CHECK VALVE

#428
20100078083
2010-04-01

Low profile backwater valve

#429
20100071805
2010-03-25

REFUELING ASSEMBLY HAVING A CHECK VALVE RECEPTACLE AND A REPLACEABLE FUEL RECEIVER FOR BOTTOM-FILLED FUEL TANKS

#430
20100028174
2010-02-04

Check valve having integrally formed seat and seal body

#431
20090292252
2009-11-26

Pressure activated valve for high flow rate and pressure venous access applications

#432
20090283157
2009-11-19

Check Valve Assembly

#433
20090250123
2009-10-08

Check valve

#434
20080308159
2008-12-18

Top entry swing check valve

#435
20080251135
2008-10-16

Valve for control of high pressure air pressure air pulse

#436
20080236671
2008-10-02

Quick change check valve system

#437
20080224079
2008-09-18

Valve having diameter-reducible joint part, joint for diameter reduction, and plumbing system using these

#438
20080196779
2008-08-21

Variable stiffness flow control valve

#439
20080135112
2008-06-12

Apparatus and Method for Assembling Relief Valve Unit

#440
20080099084
2008-05-01

Check valve having integrally formed seat and seal body

#441
20080023080
2008-01-31

Check valve stop assembly and method of retention

#442
20070295409
2007-12-27

Pressure regulator for a fuel supply unit

#443
20070221274
2007-09-27

Valve plate for a reciprocating compressor

#444
20070204917
2007-09-06

Backflow prevention device

#445
20070193633
2007-08-23

SELF-CONTAINED CHECK VALVE MODULE

#446
20070181189
2007-08-09

Housing and system and method of using the system

#447
20070138423
2007-06-21

Valve for a fluid flow connector having an overmolded plunger

#448
20070137711
2007-06-21

Valve

#449
20070062603
2007-03-22

Refueling assembly having a check valve receptacle and a replaceable fuel receiver for bottom-filled fuel tanks

#450
20070044848
2007-03-01

Check valve

#451
20060289070
2006-12-28

Explusion valve assembly

#452
20060289069
2006-12-28

Latched valve assembly

#453
20060278280
2006-12-14

Check valve

#454
20060266422
2006-11-30

Check valve with an improved clapper and valve seat

#455
20060196557
2006-09-07

Valve connector

#456
20060196556
2006-09-07

Poppet valve member

#457
20060169329
2006-08-03

Check valve with low shut off sound

#458
20060070667
2006-04-06

Anti-siphonable inlet check valve

#459
20060011880
2006-01-19

Water supply shut off valve with quick connect having flow regulation

#460
20060000459
2006-01-05

Variable stiffness flow control valve

#461
20050257927
2005-11-24

Valve cage insert

#462
20050205134
2005-09-22

Valve housing, cover, seal and method

#463
20050126638
2005-06-16

Check valve sealing arrangement

#464
20050098216
2005-05-12

Adjustable variable flow fertilizer valve

#465
19205655
2026-03-10

Removable reed valve core with an elastic securing band

#466
18387805
2025-04-22

Biogas digester check valve

#467
18307156
2024-04-30

Electromagnetic valve manifold

#468
18299696
2025-05-27

Float valve with a protective spring

#469
17822586
2024-01-23

Clapper check valve assembly

#470
17737289
2023-08-22

Valve assembly including low force umbrella valve insertion

#471
17681600
2023-02-21

One-way suction check valve for facial mask integration

#472
17649447
2023-01-03

Automatic control valve with micro-hydro generator

#473
17517245
2024-12-31

Backflow preventer

#474
17408062
2022-11-08

Inflation valve for tubeless tires

#475
17217066
2022-04-19

Flapper valve

#476
16949513
2021-10-19

Pressure relief valve

#477
16845264
2022-01-11

Pre-rinse spray valve

#478
15648758
2018-09-25

Check valve floor drain

#479
15293315
2017-05-23

Dual air admittance valve

#480
15045565
2017-03-28

Passive exhaust valve with floating spring stop