ClassID:

86405

C02F3/327 - page 2 - CPC Classification

Classification description:

Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants

Recent Application in this class:
#301
20070256966
2007-11-08

Stormwater bioretention filtration system with overflow/bypass capability

#302
20070215551
2007-09-20

Method And Device For Treatment And Loop-Processing Of Waste Waters

#303
20070199893
2007-08-30

Tidal vertical flow wastewater treatment system and method

#304
20070187323
2007-08-16

Environmental Waste Water Cultivation System

#305
20070176890
2007-08-02

Method and apparatus for the biological activated sludge treatment of wastewater

#306
20070144965
2007-06-28

Low oxygen biologically mediated nutrient removal

#307
20060243659
2006-11-02

Floating wetland structures for use in water remediation

#308
20060237363
2006-10-26

Tidal vertical flow wastewater treatment system and method

#309
20060144785
2006-07-06

Constructed wetlands system, treatment apparatus and method

#310
20060144783
2006-07-06

Water ozonation and bioremediation system and associated methods

#311
20060124540
2006-06-15

Integrated hydroponic and wetland wastewater treatment systems and associated methods

#312
20060086662
2006-04-27

Waste treatment systems

#313
20060076290
2006-04-13

Nitrate removal in a purge stream using constructed wetlands

#314
20060060523
2006-03-23

Tertiary filter septic system and method

#315
20060032124
2006-02-16

Methods of inhibiting microorganism growth using moss

#316
20060032123
2006-02-16

Devices for water treatment

#317
20060011559
2006-01-19

Soil covered environmentally affirmative household sewage treatment system

#318
20060011530
2006-01-19

Capillary permeation driven pottery pipe trench waste water treatment system

#319
20050269260
2005-12-08

Combined tidal vertical flow and horizontal flow wastewater treatment system and method

#320
20050230307
2005-10-20

Periphyton filtration pre- and post-treatment system and method

#321
20050218071
2005-10-06

Integrated tidal wastewater treatment system and method

#322
20050210941
2005-09-29

Soil conditioning products from organic waste

#323
20050183331
2005-08-25

Super-enhanced aquatic floating island plant habitat

#324
20050178723
2005-08-18

Plant matter packaging method

#325
20050178722
2005-08-18

Integrated system and method for purifying water, producing pulp and paper, and improving soil quality

#326
20050173338
2005-08-11

Method of treating water for fine suspended solids using confined exposure to a living colony of hydrocotyle ranunculoides

#327
20050150003
2005-07-07

Method for improving phytoremediation treatment of a contaminated medium

#328
20050126991
2005-06-16

Integrated hydroponic and fixed-film wastewater treatment systems and associated methods

#329
20050102719
2005-05-12

Sustained totipotent culture of selected monocot genera

#330
20050092677
2005-05-05

Water ozonation and bioremediation system and associated methods

#331
20050082222
2005-04-21

Tidal vertical flow wastewater treatment system and method

#332
20050082221
2005-04-21

Contaminant removal by additional ferns

#333
20050045556
2005-03-03

Apparatus, system and method for remediation of contamination

#334
20050006304
2005-01-13

Apparatus and method for the treatment of waste

#335
19043971
2025-08-05

Wetland system for treatment of wastewater brine

#336
18467058
2024-08-06

Water-blocking air-permeable modular constructed wetland capable of aerating intermittently

#337
17449962
2023-06-27

Systems and processes for removing pollutants from water, reducing greenhouse gas emissions, and reducing aquatic ecosystem destruction

#338
16904202
2021-11-30

Algal harvesting and water filtration

#339
16380449
2020-10-06

Inline bioremediation liquid treatment system

#340
15708399
2019-04-16

Inline bioremediation liquid treatment system

#341
15493130
2019-12-10

System, method and bio media for stormwater treatment

#342
15270517
2017-01-31

Chain filter system of micro wetland cells and method of forming same

#343
13412606
2014-11-25

Upward flow constructed wetland for treatment of water contaminated with chlorinated aliphatics