B01D 2311/2688
Biological processes
B01D2311/2688 (Biological processes) appears on 146 US grants and 256 published applications in this corpus.
Search patents in B01D- Granted patents
- 146
- Published applications
- 256
- Assignees
- 158
- Inventors
- 546
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 5 |
| 2011 | 7 | 11 |
| 2012 | 2 | 6 |
| 2013 | 3 | 5 |
| 2014 | 3 | 7 |
| 2015 | 6 | 14 |
| 2016 | 3 | 13 |
| 2017 | 5 | 13 |
| 2018 | 7 | 11 |
| 2019 | 15 | 24 |
| 2020 | 13 | 30 |
| 2021 | 16 | 26 |
| 2022 | 16 | 18 |
| 2023 | 24 | 22 |
| 2024 | 10 | 19 |
| 2025 | 13 | 17 |
| 2026 | 3 | 11 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hybrid solar still and anaerobic membrane bioreactor for wastewater treatment14 Apr 2026US 12,600,655 B2Kuwait Institute for Scientific Research
- Systems and methods for protein recovery10 Feb 2026US 12,543,758 B2Solecta Ltd.
- Biochar-anaerobic membrane biological treatment system and process27 Jan 2026US 12,533,637 B2Xi'an University of Architecture and Technology
- System and method for jointly producing erythritol and liquid sorbitol by using corn starch25 Nov 2025US 12,480,143 B2Zhejiang Huakang Pharmaceutical Co., Ltd.
- Systems for isolation and/or separation of products from production processes30 Sep 2025US 12,427,479 B2Smartflow Technologies, Inc.
- Method of recovering acetic acid from fermentation broth or fermentation waste liquor and reusing the same27 Aug 2026US 2026/0250725 A1Cj Cheiljedang Corporation
- Systems and methods for tangential flow depth filtration21 May 2026US 2026/0138096 A1Repligen Corporation
- Semiconductor process wastewater treatment system to which advanced oxidation process and anaerobic biological process are applied and semiconductor process wastewater treatment method using the same14 May 2026US 2026/0132066 A1Korea University Research and Business Foundation, Sejong Campus
- Systems and methods for integrated modular production of hydrogen freshwater, and bioelectricity23 Apr 2026US 2026/0110100 A1
- Method for manufacturing product2 Apr 2026US 2026/0091357 A1FUJIFILM Corporation
Most cited
By later US patents
- Method and apparatus for treatment of contaminated liquid31US 7,981,293 B22011
- Integrated mechanical vapor recompression (MVR) and membrane vapor permeation process for ethanol recovery (ethanol dehydration) from fermentation broth14US 8,535,413 B2Chevron U.S.A.Inc. · 2013
- Method of desalination and wastewater treatment in a microbial desalination cell reactor11US 10,954,145 B2Fcc Aqualia, S.A. · 2021
- Method and apparatus for desalinating sea water11US 8,062,527 B2Kobelco Eco-Solutions Co., Ltd. · 2011
- Method and systems for isolation and/or separation of products from production processes10US 9,163,265 B2Smartflow Technologies, Inc. · 2015