ClassID:

29361

B01D37/045 - CPC Classification

Classification description:

Processes of filtration; Controlling the filtration by level measuring

Recent Application in this class:
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METHOD AND SYSTEM FOR RESIST DEFECT REDUCTION

#2
20250177888
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SEPARATING DEVICE AND METHOD OF OPERATING A SEPARATING DEVICE

#3
20250135382
2025-05-01

FLUID COOLING/FILTERING ASSEMBLY

#4
20240325951
2024-10-03

METHOD OF FILTRATING LIQUID, AND FILTRATION APPARATUS FOR FILTRATING LIQUID

#5
20230264126
2023-08-24

LOGIC FOR CONTROL OF WATER FLOW THROUGH A SCREEN ASSEMBLY

#6
20220111477
2022-04-14

SLUDGE TREATMENT DEVICE AND SLUDGE TREATMENT SYSTEM

#7
20220001313
2022-01-06

Fuel filter device

#8
20210316234
2021-10-14

FILTER PRESS

#9
20210252435
2021-08-19

Rag seeding in wastewater treatment systems

#10
20210220759
2021-07-22

Filter backwash control system for a water or wastewater treatment system to conserve water during the filter backwash process

#11
20210220758
2021-07-22

Filter backwash control system for a water or wastewater treatment system to conserve water during the filter backwash process

#12
20210154603
2021-05-27

LOGIC FOR CONTROL OF WATER FLOW THROUGH A SCREEN ASSEMBLY

#13
20210017043
2021-01-21

Water filtration and recycling system

#14
20200398321
2020-12-24

SYSTEM AND METHOD FOR SEPARATION OF ORGANICS AND LIQUIDS FROM WASTE MATERIAL

#15
20200346138
2020-11-05

Fluid filter for treating the fluid, a container comprising the same and air release device

#16
20200181554
2020-06-11

Liquid filtration system with integrated bleed function

#17
20200061499
2020-02-27

Modified apparatus for wastewater recycling

#18
20190293036
2019-09-26

DIESEL FUEL FILTRATION AND FEED SYSTEM FOR GENERATOR

#19
20190275448
2019-09-12

Filter backwash control system for a water or wastewater treatment system to conserve water during the filter backwash process

#20
20190168140
2019-06-06

APPLICATION BASED WATER DRAIN FEATURE FOR FUEL WATER SEPARATORS AND/OR NATURAL GAS FILTERS

#21
20180133631
2018-05-17

Systems and methods for servicing a fluid filtration system

#22
20180078978
2018-03-22

SYSTEM FOR FLUSHING PIPE PLUMBING USING MICROBUBBLES, METHOD THEREFOR, AND SHIP OR MARITIME PLANT HAVING SAME

#23
20180052030
2018-02-22

Method and system for fluid level determination from pressure measurement

#24
20170183242
2017-06-29

Water runoff treatment apparatus

#25
20170095758
2017-04-06

Fuel filter device

#26
20160367921
2016-12-22

Brushless DC Motor Control With Integrated Water in Filter Circuitry

#27
20150377020
2015-12-31

Beach detection sensors for vibratory separator

#28
20150076084
2015-03-19

Rotating separator

#29
20130319919
2013-12-05

Cutting fluid filtering device having filter washing function

#30
20130175225
2013-07-11

FLUID PURIFICATION PUMP CONTROL APPARATUSES AND METHODS

#31
20130015137
2013-01-17

Method of maintaining water quality in a process stream

#32
20120285867
2012-11-15

Filter device, method for its operation and use thereof

#33
20110000835
2011-01-06

Fluid purification pump control apparatuses and methods

#34
20050040086
2005-02-24

Device for purifying liquid in a liquid reservoir and a transformer provided with such a device