B01D 65/022
Membrane sterilisation
Official title: {Membrane sterilisation}
B01D65/022 (Membrane sterilisation) appears on 203 US grants and 135 published applications in this corpus.
Search patents in B01D- Granted patents
- 203
- Published applications
- 135
- Assignees
- 97
- Inventors
- 431
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 16 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 7 |
| 2003 | 3 | 5 |
| 2004 | 2 | 3 |
| 2005 | 5 | 7 |
| 2006 | 5 | 3 |
| 2007 | 0 | 2 |
| 2008 | 2 | 7 |
| 2009 | 3 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 4 |
| 2013 | 4 | 6 |
| 2014 | 2 | 7 |
| 2015 | 4 | 12 |
| 2016 | 5 | 7 |
| 2017 | 4 | 8 |
| 2018 | 8 | 6 |
| 2019 | 10 | 6 |
| 2020 | 3 | 12 |
| 2021 | 6 | 5 |
| 2022 | 7 | 8 |
| 2023 | 6 | 5 |
| 2024 | 4 | 5 |
| 2025 | 1 | 2 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Formed sheet membrane element and filtration system4 Aug 2026US 12,697,586 B2Fibracast Ltd.
- Water purification apparatus, system and method for controlling at least one fluid property19 May 2026US 12,629,636 B2Vantive Health GmbH
- Chemical product comprising an anionic surfactant, chelant, and enzyme, and process for cleaning nanofiltration and reverse osmosis membranes7 Apr 2026US 12,595,436 B2Petroleo Brasileiro S.A. - Petrobras
- Electrostatically charged porous nonwoven web, membrane and mask derived therefrom and methods for manufacture and cleaning31 Mar 2026US 12,589,364 B2Arkema France
- Air filter medium, pleated filter medium, air filter unit, mask filter medium, and method for regenerating air filter medium27 Jan 2026US 12,533,614 B2Daikin Industries, Ltd.
- Water production method14 May 2026US 2026/0131288 A1Toray Industries, Inc.
- Lithium recovery system for black mass22 May 2025US 2025/0163543 A1Doosan Enerbility Co., Ltd.
- Water purification apparatus and methods for cleaning the water purification apparatus20 Feb 2025US 2025/0058282 A1Baxter Healthcare S. A.
- System and method to efficiently clean a dialysis filter24 Oct 2024US 2024/0350714 A1Baxter International Inc.
- Water purification apparatus and methods for cleaning the water purification apparatus13 Jun 2024US 2024/0189777 A1Baxter Healthcare S. A.
Most cited
By later US patents
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Hemodialysis machine with automatic priming by induced pressure pulses251US 5,863,421 AAksys, Ltd. · 1999
- Method of rinsing back blood to hemodialysis patient243US 5,690,831 AAksys, Ltd. · 1997
- Methods for ultrafiltration control in hemodialysis212US 5,725,776 AAksys, Ltd. · 1998
- Water treatment for dialysate preparation164US 5,762,782 AAksys, Ltd. · 1998