Class C05F : ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
Subclass 7/00: Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses (methods or installations for de-watering, drying, or incineration of sludge C02F 11/00)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12209042 | System and method for recovering nutrients from a high nitrogenous liquid waste | Nov 22, 23 | Jan 28, 25 | NUORGANICS LLC; Gabriel Howard Giraldo-Wingler; |
| 12129194 | System and method for recovering nutrients from a high nitrogenous liquid waste | Nov 22, 23 | Oct 29, 24 | NUORGANICS LLC; |
| 12122687 | Method for nitrogen removal and nitrogen salts recovery using carboxylated cellulose extracted by nitro-oxidation | Aug 28, 19 | Oct 22, 24 | The Research Foundation for the State University of New York |
| 12116297 | Curing and inoculation of pasteurized digestate | May 24, 19 | Oct 15, 24 | Not available |
| 12077737 | Anaerobic photobioreactor and method for biomass cultivation, wastewater treatment, nutrients recovery, energy production and high-value products synthesis | Mar 27, 19 | Sep 03, 24 | FCC AQUALIA, S.A. |
| 12006271 | Method for sludge dewatering using kitchen waste to synergistically enhance anaerobic biological acidification and low-temperature thermal hydrolysis of excess sludge | Jan 21, 21 | Jun 11, 24 | Tongji University |
| 11897823 | Production of nitrogenous fertilizer from wastewater | Oct 07, 22 | Feb 13, 24 | PWG LLC |
| 11834382 | Pedosphere-improving granulate, method for producing same, and use thereof | Nov 30, 18 | Dec 05, 23 | Pontes Pabuli Gmbh |
| 11788790 | Low energy drying of swine lagoon sludge or digestate | Feb 21, 20 | Oct 17, 23 | North Carolina State University |
| 11739016 | Automated zero waste systems and methods | Oct 10, 19 | Aug 29, 23 | 3D Renewables, LLC |
| 11629301 | Biosolid treatment process and system | Jul 29, 20 | Apr 18, 23 | Ecoremedy LLC |
| 11584672 | Fractioned separation of valuable substances from aqueous many-component mixtures | Jul 13, 18 | Feb 21, 23 | IGAS ENERGY GMBH |
| 11572513 | Integrated waste conversion system and method | Sep 17, 18 | Feb 07, 23 | YMIR TECHNOLOGIES EHF. |
| 11459261 | Procedure for obtaining and improving pumpability of high to very high biosolids containing dewatered sewage sludge | Jun 15, 18 | Oct 04, 22 | Lystek International Corp. |
| 11440828 | Method of treating sludge | Dec 18, 18 | Sep 13, 22 | VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT |
| 11440853 | Systems, methods, and apparatus for increased wastewater effluent and biosolids quality | Feb 27, 18 | Sep 13, 22 | DRYLET, INC. |
| 11420886 | Method for purifying water | Jan 18, 18 | Aug 23, 22 | Not available |
| 11358907 | Biological solids processing | Jul 26, 17 | Jun 14, 22 | Schwing Bioset, Inc. |
| 11305233 | System, device and method for production of high-nitrogen organic liquid fertilizer from ammonia rich wastewaters and digester effluents | Jun 04, 19 | Apr 19, 22 | CleanWorld |
| 11259527 | Haematococcus based compositions for plants and methods of application | Aug 17, 16 | Mar 01, 22 | HELIAE DEVELOPMENT, LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0099,914 | CARBON NEUTRAL LANDFILL SOLUTIONS | Jan 11, 23 | Mar 27, 25 | Not available |
| 2025/0034,018 | STAGED METHODS AND SYSTEMS FOR THE VALORIZATION OF SLUDGE AND BIOSOLIDS | Oct 08, 24 | Jan 30, 25 | Texas Tech University System |
| 2025/0019,264 | Method for Nitrogen Removal and Nitrogen Salts Recovery Using Carboxylated Cellulose Extracted by Nitro-oxidation | Sep 20, 24 | Jan 16, 25 | The Research Foundation for the State University of New York |
| 2024/0425,400 | METHOD OF SLUDGE PRETREATMENT FOR IMPROVED DIGESTIBILITY AND REDUCED SCALING | Jul 22, 22 | Dec 26, 24 | The Governors of the University of Alberta |
| 2024/0425,428 | FERTILIZER COMPOSITIONS AND METHODS OF USING SAME | Jan 25, 22 | Dec 26, 24 | MIGAL GALILEE RESEARCH INSTITUTE LTD. |
| 2024/0368,537 | PSEUDOMONAS FLUORESCENS N1 AND USE THEREOF | Jun 24, 24 | Nov 07, 24 | SHANXI BOYU BIOTECHNOLOGY CO., LTD. |
| 2024/0336,538 | BIOCHAR BASED FERTILIZER AND ASSOCIATED SYSTEMS AND METHODS | Jul 21, 22 | Oct 10, 24 | Not available |
| 2024/0199,956 | COAL GANGUE-BASED ECOLOGICAL RESTORATION MATERIAL, AND PREPARATION METHOD AND APPLICATION THEREOF | Dec 15, 23 | Jun 20, 24 | Not available |
| 2024/0174,538 | AUTOMATED ZERO WASTE SYSTEMS AND METHODS | Aug 28, 23 | May 30, 24 | Not available |
| 2024/0130,371 | ENVIRONMENTAL PROTECTION SYSTEMS AND METHODS OF GREENHOUSE GAS CAPTURE VIA CALCIUM HYDROXIDE | Feb 10, 22 | Apr 25, 24 | Not available |
| 2023/0399,269 | Method for Preparing N-P Compound Fertilizer from Incinerated Sewage Sludge Ash (ISSA) | Jun 06, 23 | Dec 14, 23 | Not available |
| 2023/0271,865 | CLOSED-LOOP, BIOREGENERATIVE WATER PURIFICATION SYSTEMS AND METHODS | Jun 21, 21 | Aug 31, 23 | Not available |
| 2023/0159,403 | PROCESS FOR TREATMENT OF SEWAGE SLUDGE AND PRODUCT OF SAME | Oct 30, 19 | May 25, 23 | Not available |
| 2023/0105,958 | Water and Energy Recovery System | Oct 03, 22 | Apr 06, 23 | Triangle Environmental Health Initiative LLC |
| 2023/0013,004 | SYSTEMS, METHODS, AND APPARATUS FOR INCREASED WASTEWATER EFFLUENT AND BIOSOLIDS QUALITY | Jul 19, 22 | Jan 19, 23 | Not available |
| 2022/0259,113 | BIOLOGICAL SOLIDS PROCESSING | May 09, 22 | Aug 18, 22 | Not available |
| 2022/0227,649 | ELECTROHYDROMODULATING PROCESS FOR RECOVERING NUTRIENTS, MINERALIZING ORGANICS, AND INACTIVATING PATHOGENS IN WASTEWATER | Jun 17, 20 | Jul 21, 22 | Not available |
| 2022/0112,111 | SYSTEM AND METHOD OF TREATING WASTEWATER USING A PORTABLE, NON-BIOLOGICAL, CYCLIC SEWAGE TREATMENT PLANT | Sep 23, 21 | Apr 14, 22 | E3 WATER, LLC. |
| 2021/0139,387 | Production of Arginine-Rich Proteins from Wastewater and Use as a Fertilizer | Jan 14, 21 | May 13, 21 | Not available |
| 2020/0339,486 | Methods and Systems for Enhanced Plant Growth and Antioxidation | Apr 29, 19 | Oct 29, 20 | Not available |
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