ClassID:

152258

F16K15/147 - CPC Classification

Classification description:

Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form

Recent Application in this class:
#1
20260144556
2026-05-28

MECHANICAL ASPIRATION SYRINGE AND ASSOCIATED FLUID FLOW CONTROL DEVICES

#2
20260132859
2026-05-14

Check Valve With Secondary Flap

#3
20250387302
2025-12-25

AIR-RETURN VALVE AND AIR-RETURN CONTAINER

#4
20250290571
2025-09-18

Duckbill Flow Control Devices Having a Dynamic Recovery Mechanism and Methods of Using the Same

#5
20250185717
2025-06-12

Aerosol Generating Device Comprising Leakage Preventing Means and Associated Aerosol Generating Assembly

#6
20250180132
2025-06-05

NON-RETURN VALVE, DRIP CHAMBER, PORT FOR NEEDLE-FREE METERING OF A LIQUID, BACK-FLOW BARRIER, INFUSION OR TRANSFUSION SYSTEM AND METHOD FOR PRODUCING A NON-RETURN VALVE

#7
20250139603
2025-05-01

INTERACTING WITH AN AUTOMATED TELLER MACHINE USING A USER DEVICE

#8
20250067355
2025-02-27

Tide Gate Check Valve with an Enlarged Integral Annular Wall

#9
20240426385
2024-12-26

VALVE ASSEMBLY FOR DISPENSING FOODSTUFF AND DISPENSER APPARATUS AND LID COMPRISING THE SAME

#10
20240329667
2024-10-03

DIAPHRAGM CHECK VALVE

#11
20240327080
2024-10-03

METHOD FOR MANUFACTURING A SELF-CLOSING DISPENSING VALVE

#12
20240200677
2024-06-20

Check valve for ventilator

#13
20240190626
2024-06-13

SELF-CLOSING DISPENSING VALVE MADE OF A PLASTOMER OR A THERMOPLASTIC ELASTOMER

#14
20240156593
2024-05-16

DIAMETRIC EXPANSION FEATURES FOR PROSTHETIC VALVES

#15
20240132268
2024-04-25

FLUID CONTAINER WITH CHECK VALVE

#16
20240125400
2024-04-18

VALVE STRUCTURE, OPENING-SEALING MEMBER, POWER STORAGE DEVICE, AND MANUFACTURING METHOD THEREFOR

#17
20240068583
2024-02-29

LOW PRESSURE VALVE ASSEMBLIES

#18
20240068467
2024-02-29

SOFT SERVE ICE CREAM PUMP ASSEMBLY

#19
20240011581
2024-01-11

Apparatus and method for installing valve in hollow body and sensor arrangement for sensing data therein

#20
20230401557
2023-12-14

Interacting with an automated teller machine using a user device

#21
20230393592
2023-12-07

Diaphragm check valve

#22
20230392360
2023-12-07

AN IMPROVED DUCKBILL TYPE VALVE

#23
20230375097
2023-11-23

Flexible laminate structure with integrated one-way valve

#24
20230358326
2023-11-09

Non-return valve, drip chamber, port for needle-free metering of a liquid, back-flow barrier, infusion or transfusion system and method for producing a non-return valve

#25
20230347130
2023-11-02

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

#26
20230293749
2023-09-21

Skin preparation applicator

#27
20230263351
2023-08-24

Filter device and method for dedusting same

#28
20230249661
2023-08-10

SPRING BRAKE ACTUATOR COMPRISING A RAM ASSEMBLY WITH A CHECK VALVE

#29
20230121181
2023-04-20

Fluid container with check valve

#30
20230052876
2023-02-16

Sealing valve

#31
20230029443
2023-01-26

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

#32
20220304391
2022-09-29

ATOMIZER AND ELECTRONIC ATOMIZATION DEVICE

#33
20220297895
2022-09-22

Valve for a Dispensing Container

#34
20220296015
2022-09-22

DUAL VALVE BOTTLE LID

#35
20220252169
2022-08-11

Anti-overflow pipe

#36
20220187853
2022-06-16

Diaphragm check valve

#37
20220175041
2022-06-09

Electronic cigarette comprising one-way valve

#38
20220154836
2022-05-19

Fuel cap with duckbill valve

#39
20220154645
2022-05-19

Intercooled cooling air with selective pressure dump

#40
20220145867
2022-05-12

Filling device for filling a defined quantity of a product

#41
20220135290
2022-05-05

Self-closing dispensing valve made of a plastomer or a thermoplastic elastomer

#42
20220107030
2022-04-07

Sleeve for a pinch-type valve

#43
20220100213
2022-03-31

Air-oxygen blender with periodic pressure venting

#44
20220049482
2022-02-17

VALVE DEVICE

#45
20220003274
2022-01-06

Guide carriage of a linear guide and method for producing a head piece of a guide carriage

#46
20210353980
2021-11-18

MULTI-FLAP VALVE FOR A RESPIRATORY DEVICE

#47
20210332894
2021-10-28

Flexible laminate structure with integrated one-way valve

#48
20210330457
2021-10-28

Diametric expansion features for prosthetic valves

#49
20210270379
2021-09-02

FLUID SYSTEM

#50
20210253212
2021-08-19

Combination paddle and pump

#51
20210148476
2021-05-20

Valve

#52
20210086973
2021-03-25

System and method of manufacture for fluid container with check valve

#53
20210071770
2021-03-11

Leash Valve Apparatus

#54
20210046485
2021-02-18

Viscous food product grinding and dispensing system

#55
20210025509
2021-01-28

Filtered vacuum relief vent valve

#56
20210016931
2021-01-21

Valve for a dispensing container

#57
20200400245
2020-12-24

Flexible laminate structure with integrated one-way valve

#58
20200398583
2020-12-24

DUCKBILL VALVE, DIAPHRAGM PUMP, AND PRINTING APPARATUS

#59
20200305507
2020-10-01

E-cigarette with valve allowing exhale filter

#60
20200278040
2020-09-03

Check Valve, Container and Oral Irrigator

#61
20200263796
2020-08-20

Valves having flexible membranes

#62
20200240535
2020-07-30

Fuel cap with duckbill valve

#63
20200232571
2020-07-23

Systems and methods for venting enclosure

#64
20200201362
2020-06-25

Diaphragm check valve

#65
20200191289
2020-06-18

Fluid stop valve unit

#66
20200149646
2020-05-14

All-metal pressure relief valve

#67
20200086700
2020-03-19

Valve for tubeless tires

#68
20200061279
2020-02-27

Pressure actuated valve with improved biasing member

#69
20200056711
2020-02-20

3-in-1 air valve assembly

#70
20200040820
2020-02-06

Intercooled cooling air with selective pressure dump

#71
20200000274
2020-01-02

Beverage dispensing systems and methods

#72
20190386271
2019-12-19

Pressure relief mechanism, case, and pressure relief valve

#73
20190383412
2019-12-19

Valve and associated methods

#74
20190358667
2019-11-28

Valve

#75
20190338860
2019-11-07

Check valve

#76
20190309864
2019-10-10

VALVE UNIT FOR A VALVE OF AN INFLATABLE BODY

#77
20190309863
2019-10-10

Duckbill valve assemblies and apparatus and methods including same

#78
20190282360
2019-09-19

Diametric expansion features for prosthetic valves

#79
20190281859
2019-09-19

HOSE FITTING ASSEMBLY FOR FROZEN FOOD DISPENSING MACHINE AND METHOD OF ASSEMBLY

#80
20190271384
2019-09-05

Transmission pressure controlled vent system

#81
20190233180
2019-08-01

Dispensing closures and dispensers

#82
20190223654
2019-07-25

Beverage dispensing systems and methods

#83
20190186485
2019-06-20

Spring-energized check valve

#84
20190184408
2019-06-20

Nozzle for fast inflation and deflation

#85
20190168930
2019-06-06

DEVICE WITH CO-MOLDED CLOSURE, ONE-WAY VALVE AND VARIABLE-VOLUME STORAGE CHAMBER, AND RELATED METHOD

#86
20190168918
2019-06-06

Valve assembly for bags

#87
20190162322
2019-05-30

Fuel cap with duck bill valve

#88
20190161245
2019-05-30

Valve for a dispensing container

#89
20190152295
2019-05-23

Ventilation valve for a vehicle

#90
20190138032
2019-05-09

Diaphragm check valve

#91
20190099595
2019-04-04

Valve device for a medical fluid line system

#92
20190049027
2019-02-14

Flexible self-locking valve

#93
20190017614
2019-01-17

Cap assembly integrated with check valves

#94
20190003167
2019-01-03

NON-RETURN VALVE

#95
20180369719
2018-12-27

Device for collecting air accumulated in pipe

#96
20180320796
2018-11-08

NEGATIVE PRESSURE BACKFLOW PREVENTION APPARATUS

#97
20180254209
2018-09-06

Gas injection device

#98
20180230686
2018-08-16

Flexible check valve for fluid control

#99
20180228971
2018-08-16

Closed male valve opened by insertion into a tapered fitting

#100
20180221642
2018-08-09

Pressure activated proximal valves

#101
20180180190
2018-06-28

Fluid stop valve unit

#102
20180148234
2018-05-31

Dispensing closures and dispensers

#103
20180128392
2018-05-10

Flow rate safety valve

#104
20180097214
2018-04-05

Pressure relief mechanism, case, and pressure relief valve

#105
20180080578
2018-03-22

Diaphragm check valves and methods of manufacture thereof

#106
20180080571
2018-03-22

Check valve for preventing air backflow in a modular cooling system

#107
20180056663
2018-03-01

Check valve, diaphragm pump, and printing apparatus

#108
20180050187
2018-02-22

Medical fluid control device for a medical fluid line system

#109
20180043149
2018-02-15

Bi-directional, pressure-actuated medical valve with improved fluid flow control and method of using such

#110
20180023724
2018-01-25

Elastomeric in-line tide gate valve

#111
20170368834
2017-12-28

Valves for printing fluid supply systems

#112
20170356556
2017-12-14

One-way valve devices

#113
20170350285
2017-12-07

Valve for Controlling a Gas Stream, Liquid Separator, Venting System and Internal Combustion Engine Having Such a Valve

#114
20170348706
2017-12-07

Spray nozzle

#115
20170335985
2017-11-23

Drip proof outlet diffuser for a faucet

#116
20170325577
2017-11-16

Container and one-way valve

#117
20170321817
2017-11-09

Breather valve

#118
20170307091
2017-10-26

One-way valve score design

#119
20170291750
2017-10-12

Air bag packaging arrangement and self-adhesive checking valve

#120
20170290366
2017-10-12

BITE VALVE FOR HOOKAH HOSE

#121
20170280778
2017-10-05

Aerosol-generating system with separate capsule and vaporizer

#122
20170267441
2017-09-21

Viscous food product grinding and dispensing system

#123
20170260725
2017-09-14

Valve

#124
20170252524
2017-09-07

Valve

#125
20170245545
2017-08-31

FILTERING PIPE SMOKE

#126
20170198824
2017-07-13

Multi-purpose valve for vacuuming, de-vacuuming, gas injecting and pressure regulating

#127
20170198469
2017-07-13

Mechanical valve for waterless urinal

#128
20170191483
2017-07-06

Automatic inflation device

#129
20170156525
2017-06-08

Duckbill Valve Arrangement For A Beverage Dispensing Container

#130
20170120037
2017-05-04

Iso compliant male luer tapered valves

#131
20170079469
2017-03-23

Beverage dispensing systems and methods

#132
20170079468
2017-03-23

Beverage dispensing systems

#133
20170065811
2017-03-09

Device for providing a constant amount of aerosol

#134
20170057309
2017-03-02

VALVE FOR TUBELESS TIRES

#135
20170045150
2017-02-16

Electronic vaporiser system

#136
20170030472
2017-02-02

Valve

#137
20170002941
2017-01-05

Duckbill Valve Assembly

#138
20170002940
2017-01-05

Preshaped Duckbill Valve

#139
20170002939
2017-01-05

Electronic device, wearable device, pressure regulator valve and method for manufacturing pressure regulator valve

#140
20170001783
2017-01-05

Self-adhesive label valve

#141
20160354599
2016-12-08

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

#142
20160348471
2016-12-01

Fluid release valve

#143
20160327178
2016-11-10

Pressure controlled and pressure control valve for an inflatable object

#144
20160327170
2016-11-10

Inflation valve allowing for rapid inflation and deflation of an inflatable object

#145
20160312910
2016-10-27

High pressure dome check valve

#146
20160305558
2016-10-20

Valve and manufacturing method for manufacturing the valve

#147
20160273666
2016-09-22

MECHANICAL VALVE FOR A WATERLESS URINAL

#148
20160270446
2016-09-22

E-cigarette with valve allowing exhale filter

#149
20160265674
2016-09-15

Dual shot one-way drain hole plug

#150
20160250413
2016-09-01

Smart check valve

#151
20160201308
2016-07-14

Odour trap and system of a transport conduit with a division into a main branch and a side branch and such an odour trap

#152
20160185501
2016-06-30

Valve device for a packaging configured to hold a product releasing a gas

#153
20160175537
2016-06-23

Dual-chamber syringe and associated connecting systems

#154
20160146359
2016-05-26

Temporary elastomeric functional barrier membrane and method of manufacture

#155
20160137156
2016-05-19

Air bag packaging arrangement and self-adhesive checking valve thereof

#156
20160131271
2016-05-12

Non-return valve for a tubular consolidation element

#157
20160131267
2016-05-12

Nozzle tip with slit valve for fluid dispenser

#158
20160090722
2016-03-31

Drainage fitting

#159
20160039592
2016-02-11

Air bag packaging arrangement and self-adhesive checking valve

#160
20160008530
2016-01-14

Pressure actuated valve with improved biasing member

#161
20150374154
2015-12-31

Valve for a sippy cup and sippy cup including the same

#162
20150276074
2015-10-01

Particulate media conveying systems and apparatuses

#163
20150250994
2015-09-10

Pressure activated proximal valves

#164
20150247504
2015-09-03

Bilge pump arrangement having back flow preventer

#165
20150239623
2015-08-27

Apparatus and method for sealing with a liquid sealant

#166
20150191884
2015-07-09

Control gates and valves

#167
20150150383
2015-06-04

Inflation valve allowing for rapid inflation and deflation of an inflatable object

#168
20150136137
2015-05-21

Anti-asphyxia valve assembly

#169
20150075001
2015-03-19

ELASTOMERIC VALVE

#170
20150069059
2015-03-12

Termite barrier seal

#171
20150048121
2015-02-19

Nozzle tip with slit valve for fluid dispenser

#172
20150047635
2015-02-19

DUCKBILL VALVE AND INHALATION DEVICE INCLUDING SUCH A VALVE

#173
20150034434
2015-02-05

DAMPING VALVE

#174
20150014369
2015-01-15

Dispensing valve

#175
20150008243
2015-01-08

FOAM SOAP DISPENSER

#176
20150000769
2015-01-01

Anti-shake flow-limiting cutoff valve

#177
20140331398
2014-11-13

Pool filter systems including pool fittings

#178
20140290777
2014-10-02

Back-pressure safeguard

#179
20140217130
2014-08-07

Closure assembly with valve and method for its manufacturing

#180
20140196798
2014-07-17

Diaphragm check valves and methods of manufacture thereof

#181
20140166140
2014-06-19

MEMS check valve

#182
20140130921
2014-05-15

Valve membrane and check valve

#183
20140023460
2014-01-23

Slit valve door with moving mating part

#184
20130316034
2013-11-28

Casting machine valve

#185
20130292289
2013-11-07

Air bag packaging arrangement and self-adhesive checking valve thereof

#186
20130291956
2013-11-07

Air bag packaging arrangement and self-adhesive checking valve thereof

#187
20130220462
2013-08-29

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

#188
20130175304
2013-07-11

Resilient closure for pressure driven dispensing container

#189
20130160866
2013-06-27

Bidirectional duckbill valve apparatus and a method for its use

#190
20130153807
2013-06-20

Slit valve having increased flow uniformity

#191
20130117921
2013-05-16

Drain pipe waste water closure protection device

#192
20130017110
2013-01-17

Diaphragm pump using duckbill and other types of valves

#193
20130015388
2013-01-17

Valve for integrating into a sanitary appliance

#194
20130000766
2013-01-03

Non-return device

#195
20120271247
2012-10-25

PRESSURE ACTUATED VALVE WITH IMPROVED SLIT CONFIGURATION

#196
20120256114
2012-10-11

Power injectable valve designs

#197
20120247595
2012-10-04

Multi-outlet check valve nozzle

#198
20120170875
2012-07-05

Check valve and storage body equipped therewith

#199
20120152388
2012-06-21

Drain trap seal

#200
20120085958
2012-04-12

PLASTIC FORMED INFLATION MOUTH STRUCTURE

#201
20120080541
2012-04-05

NOZZLE CLOSURE DEVICE FOR A PAINT SPRAYER

#202
20120079653
2012-04-05

APPARATUS FOR PREVENTING OFFENSIVE ODORS FOR A DRAIN

#203
20120061393
2012-03-15

Power tool including a reservoir and a cap attached to the opening of the reservoir

#204
20120024402
2012-02-02

One-way check valve

#205
20120023649
2012-02-02

DRY TRAP VALVE FOR USE IN A NON-FLUSHING URINAL AND OTHER DRAINS

#206
20110258783
2011-10-27

Inflatable cushion valve and attachment apparatus

#207
20110220830
2011-09-15

Venting valve

#208
20110220211
2011-09-15

Plumbing fitting

#209
20110211974
2011-09-01

Curved pliant film valves

#210
20110201891
2011-08-18

Introducer seal assembly with low profile gimbal seal

#211
20110155771
2011-06-30

METHOD AND APPARATUS FOR ENABLING SMOOTHER, FASTER DISCHARGE OF FLUID FROM CONTAINERS

#212
20110132474
2011-06-09

Back Flow Prevention System

#213
20110114197
2011-05-19

Low pressure measurement devices in high pressure environments

#214
20110108139
2011-05-12

High pressure duckbill valve and insert

#215
20110100496
2011-05-05

I-beam check valve

#216
20110084098
2011-04-14

Device with co-molded closure, one-way valve and variable-volume storage chamber, and related method

#217
20110057334
2011-03-10

Device for inserting gas bubbles into a liquid

#218
20110056569
2011-03-10

Pressure relief valve for a vehicle body

#219
20110024664
2011-02-03

Needleless access port valves

#220
20110017330
2011-01-27

MAXIMUM PRESSURE HYDRAULIC VALVE

#221
20110011673
2011-01-20

INFLATABLE UNIT

#222
20110005629
2011-01-13

Relief valve for vehicle component

#223
20110005616
2011-01-13

Check valve

#224
20100288384
2010-11-18

HYDRAULIC CONTROL VALVE HAVING INTEGRATED CHECK VALVE

#225
20100288373
2010-11-18

Duckbill type check valve with curved and resiliently biased closing seal

#226
20100270322
2010-10-28

FLOW CONTROL ELEMENT FOR USE WITH LEAK-PROOF CUP ASSEMBLIES

#227
20100187463
2010-07-29

Non return valve and a proceeding to form a non return valve system to be fasten together inside a receptacle intended to contain air or liquid

#228
20100185153
2010-07-22

Valve body and medical tool

#229
20100179480
2010-07-15

Valve body and medical tool

#230
20100175206
2010-07-15

VALVE COUPLING

#231
20100163452
2010-07-01

Wafer container having the purging valve

#232
20100147402
2010-06-17

Connector device

#233
20100116371
2010-05-13

Port closure system with hydraulic hammer resistance

#234
20100116362
2010-05-13

PASSIVE CONTROL VALVE

#235
20100096027
2010-04-22

CHECK VALVE AND PUMP INCLUDING CHECK VALVE

#236
20100089921
2010-04-15

Closure assembly with valve and method for its manufacturing

#237
20100043917
2010-02-25

BOTTLE AIR EVACUATION SYSTEM WITH STOPPER AND VACUUM PUMP

#238
20100019178
2010-01-28

Low pressure measurement devices in high pressure environments

#239
20100018597
2010-01-28

PRESSURE RELIEF VALVE STRUCTURE WITH PRESSURE RELIEF SEAM

#240
20090318058
2009-12-24

Inflating and deflating device for a pad

#241
20090292252
2009-11-26

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

#242
20090272324
2009-11-05

Slit valve having increased flow uniformity

#243
20090261507
2009-10-22

Rotary moulding

#244
20090259175
2009-10-15

Outdwelling slit valves and assemblies for medical liquid flow through a cannula and related methods

#245
20090238496
2009-09-24

Air enclosure and check valve thereof capable of being filled with high pressure air

#246
20090235460
2009-09-24

Composite cushion with compression modulated valve and valve assembly there for

#247
20090196531
2009-08-06

Air filling bag with outer film strengthening structure

#248
20090183779
2009-07-23

No-drip check valves

#249
20090177187
2009-07-09

Pressure Activated Valve with Angled Slit

#250
20090159826
2009-06-25

VALVE

#251
20090155507
2009-06-18

AIR SEALING BODY AND A CHECK VALVE DEVICE THEREOF CAPABLE OF INTENSIFYING AIR-TIGHTNESS

#252
20090114226
2009-05-07

Methods and devices for use in performing pulmonary procedures

#253
20090090006
2009-04-09

Method for manufacturing a petal valve

#254
20090043261
2009-02-12

Pressure actuated valve with improved biasing member

#255
20090039094
2009-02-12

Inventions relating to drinking vessels

#256
20090029641
2009-01-29

Ventilation member and vented housing using the same

#257
20080264979
2008-10-30

DISPENSING VALVE AND A CONTAINER FOR HOLDING FLUID PROVIDED WITH SUCH A DISPENSING VALVE

#258
20080249503
2008-10-09

METHODS AND DEVICES FOR LUNG TREATMENT

#259
20080185061
2008-08-07

RUBBER, TWO-SHOT OVER-MOLD DRAIN GROMMET FOR VEHICLE AIR CONDITIONER

#260
20080128647
2008-06-05

Valves and valve assemblies for fluid ports

#261
20080121307
2008-05-29

Air enclosure provided with cut hole type air lock valves and cut hole type air lock valve

#262
20080086093
2008-04-10

Automatic stop cock valve

#263
20080066816
2008-03-20

Automatic stop cock valve

#264
20080066815
2008-03-20

One-way elastomer valve

#265
20080061089
2008-03-13

Dispensing fluids from containers using self closing valve, typically duckbill type valve

#266
20080035677
2008-02-14

Nozzle tip with slit valve for fluid dispenser

#267
20080027343
2008-01-31

Methods and Devices for Lung Treatment

#268
20070289991
2007-12-20

Colorant Dispenser Having an Outlet Control Valve

#269
20070289651
2007-12-20

Dispensing valve

#270
20070276479
2007-11-29

Heart valve

#271
20070276268
2007-11-29

Deflation control valve

#272
20070276267
2007-11-29

DEFLATION CONTROL VALVE

#273
20070246100
2007-10-25

Exhaust port protective device for an air valve

#274
20070221275
2007-09-27

Shuttle valve

#275
20070197972
2007-08-23

Trocar seal system

#276
20070175522
2007-08-02

Check valves of multiple-layer films

#277
20070175517
2007-08-02

Support for valve of inflatable bag

#278
20070169824
2007-07-26

Backflow preventing device for solenoid valve

#279
20070161940
2007-07-12

Pressure activated proximal valves

#280
20070157982
2007-07-12

Check valve

#281
20070138189
2007-06-21

Vacuum breaker arrangement with externally protruding collapsible valve part

#282
20070131725
2007-06-14

Dispensing valve for fluids stored under pressure

#283
20070131285
2007-06-14

Valve means

#284
20070125430
2007-06-07

Packaging release valve for microwavable food items

#285
20070113903
2007-05-24

Twin duckbill valve assembly

#286
20070090320
2007-04-26

Two-way damper

#287
20070056647
2007-03-15

Flexible valves

#288
20060283462
2006-12-21

Methods and devices for inducing collapse in lung regions fed by collateral pathways

#289
20060273275
2006-12-07

Valve device for containing and preventing backflow of fluids

#290
20060253084
2006-11-09

Outdwelling slit valves and assemblies for medical liquid flow through a cannula and related methods

#291
20060237075
2006-10-26

Vacuum drainage system

#292
20060224120
2006-10-05

Introducer seal assembly with low profile gimbal seal

#293
20060201549
2006-09-14

Check-valve for reduction of leakage caused by valve flapping

#294
20060180202
2006-08-17

Low pressure measurement devices in high pressure environments

#295
20060174870
2006-08-10

Methods and devices for use in performing pulmonary procedures

#296
20060163187
2006-07-27

DRINKING CONTAINER WITH ONE WAY VALVE

#297
20060151499
2006-07-13

Flow control element for use with leak-proof cup assemblies

#298
20060118189
2006-06-08

Flow variation valve assembly

#299
20060113276
2006-06-01

Valve assembly

#300
20060108373
2006-05-25

Spill-proof training cup