C02F3/2893 - CPC Classification Index

#1

20260015274

2026-01-15

HYBRID SOLAR STILL AND ANAEROBIC MEMBRANE BIOREACTOR FOR WASTEWATER TREATMENT

#2

20260008704

2026-01-08

SYSTEM FOR MAXIMIZING PRODUCTION OF BIO-GAS AND MINIMIZING EMISSION OF PROCESS WASTES

#3

20250368541

2025-12-04

METHOD OF FILTERING TANNERY WASTEWATER AND A TANNERY WASTEWATER TREATMENT SYSTEM

#4

20240351925

2024-10-24

DEVICE AND METHOD FOR PURIFYING WASTEWATER

#5

20240246847

2024-07-25

SYSTEM AND METHOD FOR IMPROVED ANAEROBIC DIGESTION

#6

20240216867

2024-07-04

BIOCHAR-ANAEROBIC MEMBRANE BIOLOGICAL TREATMENT SYSTEM AND PROCESS

#7

20230348305

2023-11-02

SYSTEM AND METHOD FOR TREATMENT OF ANIMAL MANURE CONTAINING WASTEWATER

#8

20230192518

2023-06-22

ANAEROBIC DIGESTER WITH SELF-DELIVERY OF ACCUMULATED SOLIDS

#9

20230118918

2023-04-20

System and method for improved anaerobic digestion

#10

20230072206

2023-03-09

GRANULAR SLUDGE REACTOR SYSTEM COMPRISING AN EXTERNAL SEPARATOR

#11

20210371312

2021-12-02

Integration of fermentation and gasification

#12

20210331958

2021-10-28

Granular sludge reactor system comprising an external separator

#13

20210331957

2021-10-28

Process and device for anaerobic purification

#14

20210317025

2021-10-14

Device and method for sulphur cycle-based advanced denitrification of waste water coupling autotrophic denitrification and heterotrophic denitrification

#15

20210269889

2021-09-02

Lignocellulosic biomass treatment methods and systems for production of biofuels and biochemicals

#16

20210198700

2021-07-01

Biogas production from excrement

#17

20210198132

2021-07-01

METHODS AND APPARATUSES FOR WATER, WASTEWATER, AND WASTE TREATMENT

#18

20210163329

2021-06-03

System and method for improved anaerobic digestion

#19

20210107815

2021-04-15

Method and device for treating acrolein reactor wastewater

#20

20200392025

2020-12-17

Syntrophic enrichment for enhanced digestion process

#21

20200354246

2020-11-12

Process for a fixed film reactor and apparatus related thereto

#22

20200255311

2020-08-13

Power generation process

#23

20200223726

2020-07-16

Modular portable renewable energy microgeneration system

#24

20200156973

2020-05-21

Integration of fermentation and gasification

#25

20190344957

2019-11-14

Cover for a Segmented Biogas Reservoir

#26

20190276344

2019-09-12

System and method for improved anaerobic digestion

#27

20190210902

2019-07-11

Salt management system for portable renewable energy microgeneration system

#28

20190127251

2019-05-02

Anaerobic process with filtration procedure for treating wastewater at room temperature

#29

20190112246

2019-04-18

INTEGRATED TECHNIQUES FOR PRODUCING BIO-METHANOL

#30

20190106341

2019-04-11

Multi-zone process and apparatus for treating wastewater

#31

20190084859

2019-03-21

Method of producing biochar from sludge

#32

20190048367

2019-02-14

Biogas production from excrement

#33

20190031542

2019-01-31

Wastewater treatment system and gas liquid partition valve

#34

20180370829

2018-12-27

Facility and method for biologically treating organic waste and effluents

#35

20180354830

2018-12-13

Method of using microbial DNA sequencing in recovering renewable resources from wastewater and other waste streams

#36

20180354007

2018-12-13

Process for treating solid waste containing an organic fraction

#37

20180334401

2018-11-22

PLANT FOR THE PURIFICATION OF WASTE AND/OR PROCESS WATER BY MEANS OF ANAEROBIC MICROORGANISMS WITH A REACTOR TANK AND AN EXTERNAL SEPARATION APPARATUS

#38

20180282185

2018-10-04

SLIGHTLY HEAVY PARTICLE SYSTEM FOR WASTEWATER TREATMENT

#39

20180255716

2018-09-13

Agroindustrial process with minimal environmental impact

#40

20180086653

2018-03-29

WATER TREATMENT PROCESS USING PYROPHYLITE CERAMIC MEMBRANE

#41

20180002207

2018-01-04

SOLID WASTE PROCESSING WITH DIVERSION OF CELLULOSIC WASTE

#42

20170369345

2017-12-28

Process and plant for separating off and/or recovering nitrogen compounds from a liquid or sludge substrate

#43

20170339838

2017-11-30

Air Fertilization System Directing CO2 Exhaust to a Covered Crop Row

#44

20170166930

2017-06-15

SYNGAS BIOMETHANATION PROCESS AND ANAEROBIC DIGESTION SYSTEM

#45

20170029310

2017-02-02

System and method for improved anaerobic digestion

#46

20160304370

2016-10-20

Methods and apparatuses for water, wastewater, and waste treatment

#47

20160009579

2016-01-14

NOVEL SYSTEMS AND METHODS FOR CONVERTING GASEOUS BYPRODUCTS OF WASTEWATER TREATMENT INTO ENERGY

#48

20150210577

2015-07-30

Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof

#49

20150101967

2015-04-16

ANAEROBIC SUSPENDED GROWTH WATER TREATMENT OF CONTAMINATED WATER

#50

20150060356

2015-03-05

System and method for improved anaerobic digestion

#51

20150027179

2015-01-29

Syngas biomethanation process and anaerobic digestion system

#52

20150013540

2015-01-15

SYSTEM AND PROCESS FOR TREATING AN ANAEROBICALLY-PROCESSED LIQUID

#53

20150000357

2015-01-01

Tubular digester

#54

20140367329

2014-12-18

Anaerobic water purification system and method for treating a liquid

#55

20130327709

2013-12-12

Method and system for treating wastewater and sludges by optimizing sCOfor anaerobic autotrophic microbes

#56

20130309759

2013-11-21

Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogas

#57

20130203144

2013-08-08

Syngas biomethanation process and anaerobic digestion system

#58

20120048801

2012-03-01

Method for utilizing internally generated biogas for closed membrane system operation

#59

20110084020

2011-04-14

Systems and methods for converting gaseous byproducts of wastewater treatment into energy

#60

20110036762

2011-02-17

Digester gas mixer for waste liquid treatment

#61

20100248335

2010-09-30

METHOD AND APPARATUS FOR TREATMENT OF ORGANIC WASTE

#62

20050194310

2005-09-08

Zero excess sludge membrane bioreactor