F16K39/028 - CPC Classification Index

ClassID:

152577 ⎘

F16K39/028 - CPC Classification

Classification description:

Devices for relieving the pressure on the sealing faces for lift valves with pivoted closure members, e.g. butterfly valves

Recent Application in this class:

20240052950

2024-02-15

AUTOMATIC PRESSURE CONTROL DEVICE, FILM FORMING APPARATUS AND PRESSURE CONTROL METHOD

20220074517

2022-03-10

Balance valve, battery and power consumption apparatus

20190017622

2019-01-17

Normally open gas valve

20180266585

2018-09-20

Fluidizing butterfly valve, and system

20180087689

2018-03-29

Self-aerating valve

20160368609

2016-12-22

Dual valve gas pressure equalization system and method

20160053904

2016-02-25

Tilting disc check valve

20150345661

2015-12-03

Shut-off flap

20150076382

2015-03-19

Butterfly valve arrangement

#10

20140227956

2014-08-14

Valve for controlling the internal pressure in a cabin of an aircraft

#11

20130210330

2013-08-15

Valve for controlling the internal pressure in a cabin of an aircraft

#12

20130168588

2013-07-04

PRESSURE RELIEF VENTING FOR A VALVE DISK SEAL

#13

20120042955

2012-02-23

Dual butterfly control valve and method of use

#14

20090114868

2009-05-07

THROTTLE VALVE SET EQUIPPED WITH FIRST VALVE PLATE AND SECOND VALVE PLATE