B01D 2311/2665
Aeration other than for cleaning purposes
B01D2311/2665 (Aeration other than for cleaning purposes) appears on 27 US grants and 43 published applications in this corpus.
Search patents in B01D- Granted patents
- 27
- Published applications
- 43
- Assignees
- 42
- Inventors
- 131
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 5 |
| 2016 | 1 | 6 |
| 2017 | 1 | 5 |
| 2018 | 5 | 9 |
| 2019 | 7 | 0 |
| 2020 | 2 | 3 |
| 2021 | 1 | 6 |
| 2022 | 3 | 1 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water treatment method and water treatment apparatus10 Mar 2026US 12,570,560 B2Yokogawa Electric Corporation
- Separation membrane element and separation membrane module26 Nov 2024US 12,151,214 B2Toray Industries, Inc.
- Hollow fiber membrane module and method of making and using same7 Mar 2023US 11,596,899 B1Saudi Arabian Oil Company
- Header-equipped air diffusion device, and membrane separation activated sludge device28 Feb 2023US 11,591,244 B2Mitsubishi Chemical Corporation
- Water production for coffee brewing by electrodeionization3 Jan 2023US 11,542,183 B2Uchicago Argonne, LLC
- Carbon dioxide capture and biogas upgrading system using microbubble generator-linked electrodeionization device2 Jul 2026US 2026/0183716 A1Weni Co.,Ltd
- Chemical free extraction of lithium from brine17 Jul 2025US 2025/0230074 A1The George Washington University
- Method for cleaning organic waste water treatment apparatus30 Jan 2025US 2025/0033095 A1Metawater Co., Ltd.
- Urine and wastewater treatment system10 Oct 2024US 2024/0336499 A1Cranfield University
- Water treatment method and water treatment apparatus14 Dec 2023US 2023/0399249 A1Yokogawa Electric Corporation
Most cited
By later US patents
- Water treatment systems and methods5US 10,384,967 B2Oasys Water, Inc. · 2019
- Desalination with improved chlor-alkali production by electrolyticdialysis5US 4,295,950 A1981
- Preparation of diacetone-ketogulonic acid3US 4,375,393 AMerck Patent GmbH · 1983
- Membrane module system with bundle enclosures and pulsed aeration and method of operation3US 9,333,464 B1Koch Membrane Systems, Inc. · 2016
- Gas infusion waste water treatment2US 10,046,292 B12018