B01D29/665 - CPC Classification Index

ClassID:

29126 ⎘

B01D29/665 - CPC Classification

Classification description:

Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor; Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps by using pistons

Recent Application in this class:

20250269306

2025-08-28

BERNOULLI FILTER DEVICE AND METHOD OF CLEANING A BERNOULLI FILTER DEVICE

20190336892

2019-11-07

Reciprocating Pressure Backwash Anti-blocking Filter

20180257010

2018-09-13

Filter apparatus

20180008913

2018-01-11

System for filtering fluids

20170174528

2017-06-22

WATER PURIFIER

20170066659

2017-03-09

Outdoor water purifier with backwashing function

20160166954

2016-06-16

Self cleaning disc filter apparatus

20150246300

2015-09-03

FILTRATION SYSTEMS HAVING FRONT FLUSH SUBSYSTEMS

20150174513

2015-06-25

Self purge filtration apparatus for discharge to subatmospheric conditions

#10

20140332460

2014-11-13

Filtering device for high-viscosity fluids

#11

20140202938

2014-07-24

Filtering apparatus

#12

20140091021

2014-04-03

Filtering apparatus

#13

20130292321

2013-11-07

Filter device

#14

20120255915

2012-10-11

Bernoulli filter

#15

20110253617

2011-10-20

Cylindrical back washing purification apparatus

#16

20110132833

2011-06-09

Self-cleaning filter and filtration system for lubricants

#17

20090008343

2009-01-08

Water filtration system

#18

20070209980

2007-09-13

Device and method for filtering a fluid, in particular for plastics processing plants