ClassID:

30184

B01D2239/0283 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Types of fibres, filaments or particles, self-supporting or supported materials comprising filter materials made from waste or recycled materials

Recent Application in this class:
#1
20260151718
2026-06-04

FILTER

#2
20260151717
2026-06-04

BIOCHAR MATERIALS FOR ABATEMENT OF POLLUTANTS

#3
20230405546
2023-12-21

METHOD FOR GENERATING A GRANULAR, GREEN SORBENT MEDIA FOR FILTRATION OF CONTAMINATED WATER BY PROCESSING ALUMINUM-BASED DRINKING WATER TREATMENT RESIDUALS

#4
20230347268
2023-11-02

VACUUM-CLEANER FILTER BAG MADE FROM RECYCLED PLASTICS

#5
20230337772
2023-10-26

METHOD AND TEXTILE USED FOR COLLECTING MICROPLASTICS FROM WATER

#6
20230330454
2023-10-19

METHOD FOR PRODUCING A RESPIRATORY PROTECTION MASK

#7
20230285883
2023-09-14

Soy based filtration system

#8
20230226474
2023-07-20

VACUUM CLEANER FILTER BAG COMPRISING DUST- AND/OR FIBER-LIKE RECYCLED MATERIAL

#9
20230201637
2023-06-29

RESPIRATOR MASK

#10
20230201635
2023-06-29

RESPIRATOR MASK

#11
20230193537
2023-06-22

Nonwoven Fabrics Including Recycled Polyester

#12
20220111319
2022-04-14

Tailing pond remediation

#13
20220072457
2022-03-10

VACUUM CLEANER FILTER BAG HAVING IMPROVED WELD SEAM STRENGTH

#14
20210370205
2021-12-02

REMOVAL OF WATER CONTAMINANTS USING ENHANCED CERAMIC FILTRATION MATERIALS

#15
20200316556
2020-10-08

Granular green sorbent media for filtration of contaminated water

#16
20200086255
2020-03-19

Soy based filtration system

#17
20200060489
2020-02-27

Vacuum cleaner filter bags comprising recycled textile materials and/or cotton linters

#18
20190388806
2019-12-26

Method of forming a compost filter sock

#19
20190082913
2019-03-21

Vacuum cleaner filter bag made from recycled plastic

#20
20190075988
2019-03-14

Vacuum cleaner filter bag with powdery and/or fibrous recycled material

#21
20190075987
2019-03-14

Vacuum cleaner filter bag made from recycled plastic

#22
20190059670
2019-02-28

Vacuum cleaner filter bag with recycled textile materials and/or cotton liners

#23
20190054404
2019-02-21

Tailing pond remediation

#24
20110316186
2011-12-29

Filtration media having recycled waste materials

#25
20110084017
2011-04-14

REINFORCED, PLEATED FILTER STRUCTURE

#26
20110030557
2011-02-10

High efficiency low pressure drop synthetic fiber based air filter made completely from post consumer waste materials

#27
20100252509
2010-10-07

Filter medium for metal-working liquids

#28
19241332
2025-12-09

Method of making a filter with ground animal bone granules and filtering therewith

#29
18939596
2025-04-15

Cellulose based biodegradable absorptive filter and method of making

#30
18808127
2024-12-24

Method for making an adsorptive air filter

#31
18665929
2024-10-01

Biodegradable air filter from date palm and method of fabrication thereof