Y10T137/8803 - CPC Classification Index

ClassID:

249577 ⎘

Y10T137/8803 - CPC Classification

Classification description:

Fluid handling; Systems; Flow path with serial valves and/or closures; One valve head provides seat for other head Also carries head of other valve

Recent Application in this class:

20200088311

2020-03-19

Methods of use & valves with multi-directional ball check

20190136760

2019-05-09

Constant-volume combustion (CVC) chamber for an aircraft turbine engine including an intake/exhaust valve having a spherical plug

20170176044

2017-06-22

Dual shaft alternating drive actuator

20170138491

2017-05-18

Valves with multi-directional ball check

20170130549

2017-05-11

Blowout preventer including shear body

20170002942

2017-01-05

Valve device capable of maintaining safe pressure of pressure vessel

20160281869

2016-09-29

Spherical automatic flow emergency restrictor (S.A.F.E.R.) valve

20160230903

2016-08-11

Condensate drain

20150322812

2015-11-12

Steam valve and steam turbine

#10

20150204240

2015-07-23

Constant-volume combustion (CVC) chamber for an aircraft turbine engine including an intake/exhaust valve having a spherical plug

#11

20150176716

2015-06-25

Fuel float valve

#12

20150144208

2015-05-28

Spherical automatic flow emergency restrictor valve

#13

20150108377

2015-04-23

Internal blow out preventer

#14

20140150907

2014-06-05

Hydraulic coupling member with pressure-relieving poppet valve

#15

20130025713

2013-01-31

Hydraulic coupling member with pressure-relieving poppet valve

#16

20120312377

2012-12-13

Fuel float valve

#17

20120305102

2012-12-06

Internal blow out preventer

#18

20120248359

2012-10-04

Valve with dual rotation valve member

#19

20120216842

2012-08-30

Nozzle design on mixproof valves

#20

20120025117

2012-02-02

Flow control valve with internal isolation means

#21

20110253922

2011-10-20

Bidirectional sleeved/plug ball check valve

#22

20110232791

2011-09-29

Proportional valve employing simultaneous and hybrid actuation

#23

20110192475

2011-08-11

Device for the piping of process systems in the food and beverage industry

#24

20110180165

2011-07-28

Non-magnetic latching servo actuated valve

#25

20110114198

2011-05-19

Piping system for process plants in the food and beverage industry

#26

20100163770

2010-07-01

Flow adjustment valve

#27

20100072411

2010-03-25

Double seat valve apparatus

#28

20090266425

2009-10-29

Excess flow valves

#29

20090139588

2009-06-04

Two-stage valve for controlling fluids

#30

20080257417

2008-10-23

Pipe branching arrangement

#31

20080017824

2008-01-24

Valve status monitoring

#32

20070267075

2007-11-22

Excess flow valves

#33

20070151611

2007-07-05

Valve device and valve disk for a valve device

#34

20070074771

2007-04-05

Rotary valve assembly

#35

20070062589

2007-03-22

Rotary ball valve assembly

#36

20070062186

2007-03-22

Auxiliary pump for hydrostatic transmission

#37

20060237680

2006-10-26

Butterfly valve with integral split flapper relief valve

#38

20060237071

2006-10-26

Rotary ball valve assembly

#39

20060237070

2006-10-26

Plug incorporating pressure-sensitive valve

#40

20060225794

2006-10-12

VENT AND RELIEF VALVE

#41

20060108550

2006-05-25

Device for actuating double seat valves

#42

20060096900

2006-05-11

Selector valve of a pressure filter for aquariums or ponds

#43

20060006356

2006-01-12

Non-magnetic latching servo actuated valve

#44

20050247343

2005-11-10

Device for actuating double seat valves

#45

20050022872

2005-02-03

Combination shut-off and resetable excess flow valve