including two or more steps

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CPC
C02F3/286

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CCHEMISTRY METALLURGY C02Water treatment C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F3/00Biological treatment of water, waste water, or sewage

Current Industry

C02F3/286including two or more steps

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for cleaning process water circulated in a paper recycling s...
- Patent number 12,365,613
- Issue date Jul 22, 2025
- Meri Environmental Solutions GMBH
- Luis Domene Figuerola
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method for wastewater treatment
- Patent number 12,312,266
- Issue date May 27, 2025
- Brown and Caldwell
- John L. Willis
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Wastewater treatment system
- Patent number 12,264,091
- Issue date Apr 1, 2025
- HOLM ENVIRONMENTAL ENERGY RESOURCES LLC
- Pio S. Lombardo
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Ferric iron-dosed anaerobic biological wastewater treatment technology
- Patent number 12,168,623
- Issue date Dec 17, 2024
- West Virginia University
- Lian-Shin Lin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device for strengthening anaerobic sludge digestion based on conica...
- Patent number 12,110,244
- Issue date Oct 8, 2024
- Tongji University
- Ying Xu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Staggered electrode bio-electro-Fenton groundwater circulation well...
- Patent number 12,084,367
- Issue date Sep 10, 2024
- CHENGDU UNIVERSITY OF TECHNOLOGY
- Shengyan Pu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Anaerobic photobioreactor and method for biomass cultivation, waste...
- Patent number 12,077,737
- Issue date Sep 3, 2024
- FCC AQUALIA S.A.
- Victor Monsalvo Garcia
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Wastewater spray distribution apparatus
- Patent number 12,076,740
- Issue date Sep 3, 2024
- Spray Heads, LLC
- Israel Michael Debro
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Devices for controlling to remove food waste digestion foam
- Patent number 12,071,360
- Issue date Aug 27, 2024
- CHANGZHOU UNIVERSITY
- Mingguo Peng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Culture systems and methods of using same
- Patent number 12,024,695
- Issue date Jul 2, 2024
- Auburn University
- Qinghua He
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
System and method for using subterranean biological reactors
- Patent number 11,939,248
- Issue date Mar 26, 2024
- Schlumberger Technology Corporation
- Dean Michael Willberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modular system for waste treatment, water recycling, and resource r...
- Patent number 11,891,321
- Issue date Feb 6, 2024
- University of South Florida
- Daniel H. Yeh
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Adaptive solar heated anaerobic digestor pond
- Patent number 11,891,320
- Issue date Feb 6, 2024
- TUCUMCARI BIO-ENERGY CORPORATION
- Robert G. Hockaday
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Auger cleaned inaccessible floor system
- Patent number 11,883,863
- Issue date Jan 30, 2024
- Bristola, LLC
- Jared Burma
- B08 - CLEANING
Information Patent Grant
Process and device for anaerobic purification
- Patent number 11,878,924
- Issue date Jan 23, 2024
- Paques I.P. B.V.
- Cornelia Theresia Maria Johanna Frijters
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and systems for digesting biosolids and recovering phosphorus
- Patent number 11,851,355
- Issue date Dec 26, 2023
- Richard Pressley
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Two-times-two tank process and system
- Patent number 11,820,685
- Issue date Nov 21, 2023
- Cambi Technology AS
- Hans Rasmus Holte
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Induced sludge bed anaerobic reactor system
- Patent number 11,802,065
- Issue date Oct 31, 2023
- Conly L. Hansen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Struvite recovery and phosphorus management techniques for wastewat...
- Patent number 11,787,719
- Issue date Oct 17, 2023
- Schwing Bioset, Inc.
- Charles M. Wanstrom
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Mobile modular home with a bladder tank support assembly
- Patent number 11,739,508
- Issue date Aug 29, 2023
- Modology Design Group
- Mark D. Hall
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Hyper-rate anaerobic digestion system for enhanced bio-solids reduc...
- Patent number 11,691,904
- Issue date Jul 4, 2023
- Nanyang Technological University
- Chenghong Guo
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Anaerobic digestion system
- Patent number 11,691,903
- Issue date Jul 4, 2023
- Abdolreza Assadi
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Automated manifold for removing digestate from a lagoon digester
- Patent number 11,680,000
- Issue date Jun 20, 2023
- David DeWaard
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for high efficiency biological phosphorus and nitrogen remov...
- Patent number 11,643,348
- Issue date May 9, 2023
- DENTRO-P, LLC
- Thomas E. Coleman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method for using subterranean biological reactors
- Patent number 11,623,886
- Issue date Apr 11, 2023
- Schlumberger Technology Corporation
- Dean Michael Willberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anaerobic and aerobic treatment system and process for landfill was...
- Patent number 11,535,545
- Issue date Dec 27, 2022
- McFadden Engineering, Inc.
- A. Frank McFadden
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Wastewater spray distribution apparatus
- Patent number 11,471,899
- Issue date Oct 18, 2022
- Spray Heads, LLC
- Israel Michael Debro
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Maintaining a steady microbial community in a combined anaerobic-ae...
- Patent number 11,459,254
- Issue date Oct 4, 2022
- S.G.T.—Sustainable Green Technologies Ltd.
- Gal Levin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and plant for purification of waste from zootechnical sources
- Patent number 11,453,606
- Issue date Sep 27, 2022
- CAMPAGNA & PARTNERS S.R.L.
- Diego Binaghi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for pre-conditioning sludge
- Patent number 11,453,608
- Issue date Sep 27, 2022
- BL Technologies, Inc.
- Michael David Theodoulou
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
LAGOON BASED ANAEROBIC SBR/UAC REACTOR SYSTEM WITH MULTIPLE CELLS
- Publication number 20250187959
- Publication date Jun 12, 2025
- Sustain Technologies, LLC
- Robert Hickey
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
HIGH-LOAD ORGANIC WASTEWATER DARK FERMENTATION BIOHYDROGEN PRODUCTI...
- Publication number 20250136485
- Publication date May 1, 2025
- HARBIN INSTITUTE OF TECHNOLOGY
- Jie DING
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PHOTOCATALYTIC PANEL REACTOR FOR THE ANAEROBIC PHOTOREFORMING OF WA...
- Publication number 20250122108
- Publication date Apr 17, 2025
- UNIVERSITAT ROVIRA I VIRGILI
- Alberto PUGA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEM AND METHOD OF HIGH EFFICACY TWO-STAGE METAL TREATMENT INCORP...
- Publication number 20250074803
- Publication date Mar 6, 2025
- Arizona Board of Regents on behalf of Arizona State University
- Anca Delgado
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEMS AND METHODS FOR HIGH-EFFICIENCY NUTRIENT REMOVAL AND RECOVE...
- Publication number 20250051208
- Publication date Feb 13, 2025
- University of South Florida
- Daniel H. YEH
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Method and System for Optimizing Lightweight Biodigester
- Publication number 20250026674
- Publication date Jan 23, 2025
- Yariv Glazer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
MEMBRANE BIOREACTOR SYSTEM FOR TREATING WASTEWATER USING OXYGEN
- Publication number 20250002386
- Publication date Jan 2, 2025
- American Air Liquide, Inc.
- Min Ho MAENG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEM FOR PRODUCING BIOGAS USING MIXED LIQUID OF DIGESTIVE FLUID T...
- Publication number 20240417298
- Publication date Dec 19, 2024
- Min Soo NA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
STAGGERED ELECTRODE BIO-ELECTRO-FENTON GROUNDWATER CIRCULATION WELL...
- Publication number 20240262724
- Publication date Aug 8, 2024
- CHENGDU UNIVERSITY OF TECHNOLOGY
- Shengyan PU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS AND SYSTEMS FOR DIGESTING BIOSOLIDS AND RECOVERING PHOSPHORUS
- Publication number 20240182345
- Publication date Jun 6, 2024
- Richard Pressley
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR PRODUCING RECYCLED WATER
- Publication number 20240182342
- Publication date Jun 6, 2024
- KANEKA CORPORATION
- Asuka FUKUMOTO
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
WATER TREATMENT WITH OIL
- Publication number 20240158272
- Publication date May 16, 2024
- Geomatrix LLC
- David A. Potts
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Anaerobic Migrating Blanket Reactor and Methods of Using the Same
- Publication number 20240158269
- Publication date May 16, 2024
- Bennett Environmental, LLC
- Jelte Lanting
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Septic Sludge Alarm Assembly
- Publication number 20240150207
- Publication date May 9, 2024
- Joshua Ritchie
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF REDUCING NITROGEN OXIDE CONCENTRATION IN SAMPLE, BIOREACT...
- Publication number 20240102054
- Publication date Mar 28, 2024
- Samsung Electronics Co., Ltd.
- Seung Hoon Song
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
DEVICES FOR CONTROLLING TO REMOVE FOOD WASTE DIGESTION FOAM
- Publication number 20240043299
- Publication date Feb 8, 2024
- CHANGZHOU UNIVERSITY
- Mingguo PENG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CLEANING SYSTEM FOR CLEANING A FLOOR OF A CLOSED SYSTEM
- Publication number 20240042501
- Publication date Feb 8, 2024
- Bristola, LLC
- Jared Burma
- B08 - CLEANING
Information Patent Application
Anaerobic digestion device for organic solid waste based on uncoupl...
- Publication number 20240025782
- Publication date Jan 25, 2024
- Tongji University
- Yu HUA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM AND METHOD FOR TREATMENT OF ANIMAL MANURE CONTAINING WASTEWATER
- Publication number 20230348305
- Publication date Nov 2, 2023
- Evoqua Water Technologies Canada Ltd
- HARI B. GUPTA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR CONTINUOUS CLEANING OF PROCESS WATER IN WASTE PAPER TREA...
- Publication number 20230322599
- Publication date Oct 12, 2023
- MERI ENVIRONMENTAL SOLUTIONS GMBH
- George TROUBOUNIS
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEM AND METHOD FOR USING SUBTERRANEAN BIOLOGICAL REACTORS
- Publication number 20230265001
- Publication date Aug 24, 2023
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Dean Michael WILLBERG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
HOME TOILET WASTE TREATMENT SYSTEM COMPRISING BIO-TREATMENT DEVICE...
- Publication number 20230212049
- Publication date Jul 6, 2023
- Samsung Electronics Co., LTD
- Nagjong KIM
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
ORGANIC WASTE DIGESTION AND DECOMPOSITION SYSTEMS AND METHODS THEREOF
- Publication number 20230201895
- Publication date Jun 29, 2023
- Patriot Organics LLC
- Alamgir I. Chaudhri
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
CONCURRENT RAW AND AERATED WASTEWATER TREATMENT METHOD USING BIOELE...
- Publication number 20230183112
- Publication date Jun 15, 2023
- OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL CORPORATION
- Mami KAINUMA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD AND APPARATUS FOR ANAEROBIC DIGESTION OF LIQUID WASTE STREAMS
- Publication number 20230150854
- Publication date May 18, 2023
- DVO Licensing, Inc.
- Stephen Dvorak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
BIOPOWERPLANT: THIRD GENERATION BIOREFINERY WITH IMPROVED CAPACITY...
- Publication number 20230045512
- Publication date Feb 9, 2023
- DETECHC LLC
- Jaime Eduardo GUTIÉRREZ FONSECA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
STRUVITE RECOVERY AND PHOSPHORUS MANAGEMENT TECHNIQUES FOR WASTEWAT...
- Publication number 20230002265
- Publication date Jan 5, 2023
- Schwing Bioset, Inc.
- Charles M. Wanstrom
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
GAS-LIQUID-SOLID SEPARATOR
- Publication number 20220396510
- Publication date Dec 15, 2022
- Yehor Pererva
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Ferric Iron-Dosed Anaerobic Biological Wastewater Treatment Technology
- Publication number 20220332615
- Publication date Oct 20, 2022
- West Virginia University
- Lian-Shin Lin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
DEVICE FOR STRENGTHENING ANAEROBIC SLUDGE DIGESTION BASED ON CONICA...
- Publication number 20220324734
- Publication date Oct 13, 2022
- Tongji University
- Ying XU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

including two or more steps

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for cleaning process water circulated in a paper recycling s...

System and method for wastewater treatment

Wastewater treatment system

Ferric iron-dosed anaerobic biological wastewater treatment technology

Device for strengthening anaerobic sludge digestion based on conica...

Staggered electrode bio-electro-Fenton groundwater circulation well...

Anaerobic photobioreactor and method for biomass cultivation, waste...

Wastewater spray distribution apparatus

Devices for controlling to remove food waste digestion foam

Culture systems and methods of using same

System and method for using subterranean biological reactors

Modular system for waste treatment, water recycling, and resource r...

Adaptive solar heated anaerobic digestor pond

Auger cleaned inaccessible floor system

Process and device for anaerobic purification

Methods and systems for digesting biosolids and recovering phosphorus

Two-times-two tank process and system

Induced sludge bed anaerobic reactor system

Struvite recovery and phosphorus management techniques for wastewat...

Mobile modular home with a bladder tank support assembly

Hyper-rate anaerobic digestion system for enhanced bio-solids reduc...

Anaerobic digestion system

Automated manifold for removing digestate from a lagoon digester

Method for high efficiency biological phosphorus and nitrogen remov...

System and method for using subterranean biological reactors

Anaerobic and aerobic treatment system and process for landfill was...

Wastewater spray distribution apparatus

Maintaining a steady microbial community in a combined anaerobic-ae...

Process and plant for purification of waste from zootechnical sources

Method for pre-conditioning sludge

Patents Applicationslast 30 patents

LAGOON BASED ANAEROBIC SBR/UAC REACTOR SYSTEM WITH MULTIPLE CELLS

HIGH-LOAD ORGANIC WASTEWATER DARK FERMENTATION BIOHYDROGEN PRODUCTI...

PHOTOCATALYTIC PANEL REACTOR FOR THE ANAEROBIC PHOTOREFORMING OF WA...

SYSTEM AND METHOD OF HIGH EFFICACY TWO-STAGE METAL TREATMENT INCORP...

SYSTEMS AND METHODS FOR HIGH-EFFICIENCY NUTRIENT REMOVAL AND RECOVE...

Method and System for Optimizing Lightweight Biodigester

MEMBRANE BIOREACTOR SYSTEM FOR TREATING WASTEWATER USING OXYGEN

SYSTEM FOR PRODUCING BIOGAS USING MIXED LIQUID OF DIGESTIVE FLUID T...

STAGGERED ELECTRODE BIO-ELECTRO-FENTON GROUNDWATER CIRCULATION WELL...

METHODS AND SYSTEMS FOR DIGESTING BIOSOLIDS AND RECOVERING PHOSPHORUS

METHOD FOR PRODUCING RECYCLED WATER

WATER TREATMENT WITH OIL

Anaerobic Migrating Blanket Reactor and Methods of Using the Same

Septic Sludge Alarm Assembly

METHOD OF REDUCING NITROGEN OXIDE CONCENTRATION IN SAMPLE, BIOREACT...

DEVICES FOR CONTROLLING TO REMOVE FOOD WASTE DIGESTION FOAM

CLEANING SYSTEM FOR CLEANING A FLOOR OF A CLOSED SYSTEM

Anaerobic digestion device for organic solid waste based on uncoupl...

SYSTEM AND METHOD FOR TREATMENT OF ANIMAL MANURE CONTAINING WASTEWATER

METHOD FOR CONTINUOUS CLEANING OF PROCESS WATER IN WASTE PAPER TREA...

SYSTEM AND METHOD FOR USING SUBTERRANEAN BIOLOGICAL REACTORS

HOME TOILET WASTE TREATMENT SYSTEM COMPRISING BIO-TREATMENT DEVICE...

ORGANIC WASTE DIGESTION AND DECOMPOSITION SYSTEMS AND METHODS THEREOF

CONCURRENT RAW AND AERATED WASTEWATER TREATMENT METHOD USING BIOELE...

METHOD AND APPARATUS FOR ANAEROBIC DIGESTION OF LIQUID WASTE STREAMS

BIOPOWERPLANT: THIRD GENERATION BIOREFINERY WITH IMPROVED CAPACITY...

STRUVITE RECOVERY AND PHOSPHORUS MANAGEMENT TECHNIQUES FOR WASTEWAT...

GAS-LIQUID-SOLID SEPARATOR

Ferric Iron-Dosed Anaerobic Biological Wastewater Treatment Technology

DEVICE FOR STRENGTHENING ANAEROBIC SLUDGE DIGESTION BASED ON CONICA...