ClassID:

71293

B63C11/2227 - CPC Classification

Classification description:

Equipment for dwelling or working underwater; Means for searching for underwater objects; Divers' equipment; Air supply carried by diver Second-stage regulators

Recent Application in this class:
#1
20260145011
2026-05-28

DEMAND REGULATOR

#2
20240419196
2024-12-19

GAS NEGATIVE PRESSURE VALVE

#3
20240059384
2024-02-22

Low pressure surface supplied air system and method

#4
20240017805
2024-01-18

PRESSURE REDUCING SYSTEM FOR A BREATHING APPARATUS

#5
20230302304
2023-09-28

PORTABLE VESSEL, REGULATOR AND APPARATUS FOR STORING FLUIDS

#6
20230278683
2023-09-07

PRESSURE-REDUCING SYSTEM FOR A BREATHING APPARATUS

#7
20230141069
2023-05-11

Second Stage Regulator

#8
20220203140
2022-06-30

Pressure regulator assembly and bypass assembly for a self-contained breathing apparatus

#9
20220134146
2022-05-05

Regulator button cover device

#10
20220119083
2022-04-21

Low pressure surface supplied air system and method

#11
20210284301
2021-09-16

Regulating membrane for the second-stage regulator of two stage underwater breathing apparatuses

#12
20210229788
2021-07-29

Second pressure-reducing stage for underwater use equipped with a bypass duct and method for making same

#13
20210086883
2021-03-25

SYSTEM FOR CONTROLLING THE EXHALATION PRESSURE OF A DIVER FOR DIVING VENTILATION EQUIPMENT

#14
20200031443
2020-01-30

Second-stage diving regulator

#15
20180362129
2018-12-20

Low pressure surface supplied air system and method

#16
20180319472
2018-11-08

Regulator first stage for two-stage underwater breathing apparatuses

#17
20180265176
2018-09-20

Pressure Reducing Second Stage for Underwater Use

#18
20180200545
2018-07-19

Pressure regulator assembly and bypass assembly for a self-contained breathing apparatus

#19
20180186437
2018-07-05

Heat exchange device for use with underwater pressurized gas source

#20
20180037307
2018-02-08

ULTRA-HIGH PRESSURE REGULATOR AND A METHOD OF USING THE SAME

#21
20170297665
2017-10-19

Semi-closed circuit underwater breathing apparatus ratio regulator

#22
20170036745
2017-02-09

Exhaust Air Transfer Device for Open System Underwater Diving

#23
20170036744
2017-02-09

ON-SHORE PRESSURE HELMET

#24
20160327961
2016-11-10

Regulator having removable first stage orifice body

#25
20160325807
2016-11-10

Regulator having removable first stage orifice body

#26
20160041563
2016-02-11

Regulator having removable first stage orifice body

#27
20150059737
2015-03-05

RETAINING RING FOR MOUTHPIECES ATTACHED TO DIVING APPARATUS

#28
20150020799
2015-01-22

Integrated diving snorkel and regulator and methods of use

#29
20140190475
2014-07-10

EXHAUST AIR TRANSFER DEVICE FOR OPEN SYSTEM UNDERWATER DIVING

#30
20140026886
2014-01-30

Method and apparatus for altering and or minimizing underwater noise

#31
20120260914
2012-10-18

Method and apparatus for altering and or minimizing underwater noise

#32
20120211009
2012-08-23

Regulator for Underwater Breathing Apparatus

#33
20110073111
2011-03-31

Mouth piece for a breathing apparatus

#34
20100313889
2010-12-16

Second-Stage Valve for Breathing-Gas Regulator for Air Aqualung for Underwater Activity

#35
20100186746
2010-07-29

Demand valve device for use by diverse and selectively connectable fluidic connector

#36
20090301806
2009-12-10

Method and apparatus for altering and/or minimizing underwater noise

#37
20090250062
2009-10-08

Pressure activated device and breathing system

#38
20090211580
2009-08-27

REGULATOR FOR BREATHING EQUIPMENTS, IN PARTICULAR UNDERWATER BREATHING EQUIPMENTS

#39
20080251080
2008-10-16

Second stage regulator

#40
20080178883
2008-07-31

Gas reclaim regulating valve assembly

#41
20080149103
2008-06-26

Fluid flow control valve

#42
20080099018
2008-05-01

Pressure regulator valve for breathing apparatus

#43
20080041451
2008-02-21

Underwater exhaust system and method

#44
20080041384
2008-02-21

REGULATING DEVICE FOR SUPPLYING BREATHABLE GAS TO A DRIVER

#45
20080029090
2008-02-07

Underwater exhaust system and method

#46
20080017200
2008-01-24

Device for supplying breathing gas, particularly for mouthpiece of a diver

#47
20080017199
2008-01-24

Regulation For Use In Cold Water

#48
20070186926
2007-08-16

Valve system for underwater diving equipment

#49
20070144592
2007-06-28

Fluid flow control valve

#50
20070062524
2007-03-22

Bubble diverter for use with diving equipment

#51
20070006881
2007-01-11

Air-supply control device for air-pressure regulator

#52
20060124129
2006-06-15

Drug delivery device and method

#53
20060060252
2006-03-23

Fluid flow control valve

#54
20060054167
2006-03-16

Regulator assembly particularly for tanks for scuba divers

#55
20060021660
2006-02-02

Fluid flow control valve

#56
20050279410
2005-12-22

Springless regulator valve assembly

#57
20050241641
2005-11-03

Personal hydration device

#58
20050235990
2005-10-27

Underwater exhaust system

#59
20050235989
2005-10-27

Underwater exhaust system

#60
20050189019
2005-09-01

Second exhaust valve for a second stage regulator

#61
20050186022
2005-08-25

Scuba regulator connector using a sealed ball swivel

#62
20050121035
2005-06-09

Respiratory apparatus for compressed-air breathing equipment

#63
20050072427
2005-04-07

Regulator for diving

#64
20050022816
2005-02-03

Second stage swivel regulator

#65
20050016539
2005-01-27

Closure device of a second-stage regulator for scuba divers

#66
20050016538
2005-01-27

Control group of a second-stage regulator for scuba divers

#67
20050016537
2005-01-27

Second-stage regulator for scuba divers

#68
17245867
2022-01-11

Regulator cover device for flight vest

#69
14304579
2019-07-09

Noise reduction methods and apparatuses for breathing apparatuses and helmets

#70
14199428
2016-12-27

Underwater gas pressure regulation system