B01D 2311/13
Use of sweep gas
B01D2311/13 (Use of sweep gas) appears on 114 US grants and 153 published applications in this corpus.
Search patents in B01D- Granted patents
- 114
- Published applications
- 153
- Assignees
- 93
- Inventors
- 303
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 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 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 10 |
| 2009 | 0 | 3 |
| 2010 | 6 | 11 |
| 2011 | 5 | 14 |
| 2012 | 7 | 10 |
| 2013 | 11 | 13 |
| 2014 | 13 | 5 |
| 2015 | 6 | 11 |
| 2016 | 8 | 7 |
| 2017 | 7 | 7 |
| 2018 | 3 | 6 |
| 2019 | 7 | 7 |
| 2020 | 9 | 6 |
| 2021 | 3 | 8 |
| 2022 | 8 | 9 |
| 2023 | 6 | 3 |
| 2024 | 3 | 10 |
| 2025 | 7 | 9 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 4-stage membrane process with sweep for biogas upgrading16 Jun 2026US 12,654,126 B2
- Multi-stage air gap membrane distillation system and process17 Feb 2026US 12,551,847 B2King Fahd University of Petroleum and Minerals
- System for desalinating water with multiple desalination processes30 Dec 2025US 12,508,547 B1King Fahd University of Petroleum and Minerals
- Apparatus and methods for solution processing9 Dec 2025US 12,491,473 B2Solution Dynamics, LLC
- Gas separation membrane module7 Oct 2025US 12,434,198 B2Kawasaki Jukogyo Kabushiki Kaisha
- Recovery of fluoride from fluoride-containing waste water through membrane separation18 Dec 2025US 2025/0382203 A1Ecolab USA Inc.
- Systems and methods for biogas upgrading using sweep gas4 Dec 2025US 2025/0367596 A1Haffmans B.V.
- 4-Stage Membrane Process with Sweep for Biogas Upgrading17 Jul 2025US 2025/0229220 A1Air Products and Chemicals, Inc.
- Bio LNG Production Using Membranes1 May 2025US 2025/0136884 A1Air Products and Chemicals, Inc.
- Systems, devices, and methods for extracorporeal removal of carbon dioxide27 Mar 2025US 2025/0099657 A1X-Cor Therapeutics Inc.
Most cited
By later US patents
- Fuel deoxygenator with porous support plate49US 8,177,884 B2United Technologies Corporation · 2012
- Composite desiccant and air-to-water system and method33US 8,506,675 B22013
- Apparatus and methods for solution processing using reverse osmosis31US 8,216,473 B2Solution Dynamics, LLC · 2012
- High pressure liquid degassing membrane contactors and methods of manufacturing and use29US 8,506,685 B2Celgard, LLC · 2013
- Apparatus and methods for solution processing using reverse osmosis24US 8,840,792 B2Solution Dynamics, LLC · 2014