Y10T137/87531 - CPC Classification Index

ClassID:

249515 ⎘

Y10T137/87531 - CPC Classification

Classification description:

Fluid handling; Systems; Dividing into parallel flow paths with recombining; Rotary valve Butterfly valve

Recent Application in this class:

20190234523

2019-08-01

Spring loaded HVAC damper

20170176044

2017-06-22

Dual shaft alternating drive actuator

20160363237

2016-12-15

Fluid valve and a single shaft-sealing module thereof

20160178068

2016-06-23

Multi-blade dosing valve

20150136259

2015-05-21

Valve for controlling a flow of fluid, including a rotary closure means

20130333784

2013-12-19

Spring loaded HVAC damper

20120042955

2012-02-23

Dual butterfly control valve and method of use

20090301570

2009-12-10

Air intake device for engine

20090301569

2009-12-10

Air intake device for engine

#10

20070261401

2007-11-15

Exhaust bypass valve remote linkage

#11

20060237136

2006-10-26

O-ringless tandem throttle valve for a plasma reactor chamber

#12

20060027672

2006-02-09

Multi-valve damper for controlling airflow and method for controlling airflow

#13

20050173547

2005-08-11

Multi-valve damper for controlling airflow and method for controlling airflow

#14

20050016602

2005-01-27

Valve device and multiport regulating assembly comprising a plurality of such devices

#15

17224579

2022-06-14

Method and mechanism for symmetrically controlling pressure in process chamber