B01D2201/44 - CPC Classification Index

#1

20260048347

2026-02-19

FILTER SYSTEM

#2

20250320953

2025-10-16

MOUNTING COMPONENTS FOR A POWERPLANT FLUID SYSTEM

#3

20240293763

2024-09-05

FILTER CARTRIDGE FOR FILTRATION OF LIQUIDS

#4

20230264407

2023-08-24

FILTER UNIT FOR AN EXTRUDER ASSEMBLY, FILTER ARRANGEMENT AND CORRESPONDING FILTER CHANGING DEVICE AND METHOD FOR PRODUCING SUCH A FILTER UNIT

#5

20220362690

2022-11-17

FILTER UNIT WITH FLOW OPTIMIZATION

#6

20220135433

2022-05-05

MULTI-POSITION FILTER

#7

20200038784

2020-02-06

Nozzles/screens used in the fluid processing units

#8

20190390428

2019-12-26

Screen intake flow control and support device

#9

20190374882

2019-12-12

Device for separating solid particles from liquids and gases

#10

20190184314

2019-06-20

Outside-in water purification system

#11

20190111364

2019-04-18

Filter disc

#12

20190093685

2019-03-28

Flow distributer

#13

20180134598

2018-05-17

MODULAR FLUID PURIFICATION SYSTEM AND COMPONENTS THEREOF

#14

20180001240

2018-01-04

Filters for Non-Plumbed Appliances

#15

20170326478

2017-11-16

Saturated layer stormwater filter and passive stormwater management system with pretreatment

#16

20170165666

2017-06-15

Apparatus for the separation of plasma

#17

20160263498

2016-09-15

Filter device having a diverging cleaning duct with internal partitions

#18

20130232934

2013-09-12

Air cleaner assemblies with filter element and method for installing the filter element

#19

20130043180

2013-02-21

Filtration Device

#20

20130037475

2013-02-14

Filtration Device

#21

20130001148

2013-01-03

FILTER ASSEMBLY

#22

20120312167

2012-12-13

Fluted filter media

#23

20120298572

2012-11-29

Screen intake flow control and support device

#24

20120298568

2012-11-29

Barrel-type fish/particle screen with adjustable flow distribution and debris removal

#25

20120255915

2012-10-11

Bernoulli filter

#26

20120234775

2012-09-20

Pressure filter with a flow distributor and a method for washing the pressure filter

#27

20120128510

2012-05-24

Fluid filter, in particular for petrochemical plant gas

#28

20110290743

2011-12-01

Helical support structure for intake screens

#29

20110240563

2011-10-06

Portable External Modular Filtering and Contamination Removal System and Method of Use

#30

20110120960

2011-05-26

Processes for water and wastewater treatment, Including stationary cloth media filtration

#31

20110011781

2011-01-20

Apparatus for the separation of plasma

#32

20100300989

2010-12-02

Backwash assembly and method having a rotating backwash arm for cleaning cloth filter media

#33

20100300957

2010-12-02

Backwash assembly having a rotating backwash arm for cleaning cloth filter media

#34

20100140156

2010-06-10

Modular fluid purification system and components thereof

#35

20090184036

2009-07-23

FLUID FILTER FOR COMBUSTION ENGINE SYSTEMS AND METHODS

#36

20090127184

2009-05-21

Flow-Through Device for The Treatment of a Fluid and Flow-Through Element Used Thereby

#37

20080216654

2008-09-11

Fluted filter media

#38

20080121580

2008-05-29

Geometrically Variable Filter Underdrain Header

#39

20080041780

2008-02-21

Fluid distribution apparatus

#40

20080011666

2008-01-17

Backwash assembly and method having a rotating backwash arm for cleaning cloth filter media

#41

20070187318

2007-08-16

Filter cartridges for fluid intake systems

#42

20070175834

2007-08-02

Helical internal support structure for intake screens

#43

20070170108

2007-07-26

Rotary drum vacuum filter

#44

20070113739

2007-05-24

Filter assembly for treating a compressed gas

#45

20070108138

2007-05-17

Fluid treatment device

#46

20070062860

2007-03-22

Fluid control device

#47

20070000833

2007-01-04

Modular fluid purification system and components thereof

#48

20060191839

2006-08-31

High capacity filter element

#49

20060186035

2006-08-24

Filter for a cartridge, a cartridge, use of a filter in a cartridge and a system for preparing a liquid solution for a medical procedure

#50

20060108274

2006-05-25

Flow distribution apparatus

#51

20060049104

2006-03-09

Method and equipment for guiding dispersion in liquid-liquid extraction

#52

20050224410

2005-10-13

Method and equipment for compressing a dispersion in liquid-liquid extraction

#53

20050161390

2005-07-28

Laminated modular water filter

#54

20050133434

2005-06-23

Underdrain apparatus and method of manufacturing same

#55

20050133432

2005-06-23

Fluidizable device

#56

20050115911

2005-06-02

Processes for water and wastewater treatment, including stationary cloth media filtration

#57

20050109706

2005-05-26

Filter underdrain system for backwash flow and method for measuring same

#58

20050081287

2005-04-21

Sloped drain down wall fitting for whirlpool bathtub

#59

13081715

2014-09-16

Intake strainer for a hose