C02F 3/2813
Using anaerobic contact processes
Official title: {using anaerobic contact processes}
C02F3/2813 (Using anaerobic contact processes) appears on 29 US grants and 53 published applications in this corpus.
Search patents in C02F- Granted patents
- 29
- Published applications
- 53
- Assignees
- 39
- Inventors
- 148
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 5 |
| 2015 | 0 | 7 |
| 2016 | 3 | 7 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 4 |
| 2022 | 4 | 3 |
| 2023 | 3 | 6 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Slightly heavy particle system for wastewater treatment18 Nov 2025US 12,473,217 B2Wesdon-Tienda Environmental Sciences Co. Ltd.
- Data-driven recirculating aquaculture system9 Sep 2025US 12,410,078 B2The Florida State University Research Foundation, Inc.
- Method for treating reducible compound residues using iron-containing bioreactor3 Sep 2024US 12,077,461 B2The United States of America as represented by the Secretary of the Army
- Culture systems and methods of using same2 Jul 2024US 12,024,695 B2Auburn University
- Systems and methods for water treatment16 Jul 2026US 2026/0200775 A1National University Corporation Kanazawa University
- Data-driven recirculating aquaculture system16 Oct 2025US 2025/0320142 A1The Florida State University Research Foundation, Inc.
- Cleaning system18 Apr 2024US 2024/0123475 A1Bristola, LLC
- Method of reducing nitrogen oxide concentration in sample, bioreactor, and plug flow reactor28 Mar 2024US 2024/0102054 A1Korea Advanced Institute of Science and Technology
- Total nitrogen removal device for sewage and method for operating the same20 Jul 2023US 2023/0227341 A1Greentech Environment Co., Ltd.
Most cited
By later US patents
- System for enhancing a wastewater treatment process12US 8,470,172 B2Siemens Industry, Inc. · 2013
- Method and apparatus for wastewater treatment using gravimetric selection12US 9,242,882 B2D.C. Water & Sewer Authority · 2016
- System for enhancing a wastewater treatment process8US 8,506,800 B2Siemens Industry, Inc. · 2013
- Method and apparatus for wastewater treatment using gravimetric selection3US 10,112,856 B2D.C. Water & Sewer Authority · 2018
- Wastewater treatment systems and methods3US 9,315,406 B2Alcoa Inc. · 2016