B01D 2321/20
Details relating to membrane cleaning, regeneration, sterilization or to the prevention of
Official title: By influencing the flow
B01D2321/20 (Details relating to membrane cleaning, regeneration, sterilization or to the prevention of) appears on 583 US grants and 558 published applications in this corpus.
Search patents in B01D- Granted patents
- 583
- Published applications
- 558
- Assignees
- 408
- Inventors
- 1,323
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 16 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 19 | 0 |
| 2001 | 29 | 8 |
| 2002 | 14 | 17 |
| 2003 | 16 | 35 |
| 2004 | 13 | 38 |
| 2005 | 20 | 31 |
| 2006 | 13 | 29 |
| 2007 | 17 | 28 |
| 2008 | 15 | 24 |
| 2009 | 14 | 20 |
| 2010 | 15 | 17 |
| 2011 | 12 | 18 |
| 2012 | 13 | 16 |
| 2013 | 5 | 15 |
| 2014 | 13 | 16 |
| 2015 | 13 | 22 |
| 2016 | 14 | 23 |
| 2017 | 13 | 24 |
| 2018 | 20 | 23 |
| 2019 | 18 | 27 |
| 2020 | 19 | 22 |
| 2021 | 14 | 20 |
| 2022 | 22 | 22 |
| 2023 | 16 | 17 |
| 2024 | 14 | 27 |
| 2025 | 13 | 14 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Humidifying device having channel plates and channel plate for humidifying device25 Aug 2026US 12,719,067 B2Mann+Hummel GmbH
- Filtration device4 Aug 2026US 12,697,592 B2Sani Membranes ApS
- Reverse osmosis methods14 Jul 2026US 12,678,739 B1Ozono Polaris, S.A. de C.V.
- Systems and methods for acoustically-enhanced membrane separation2 Jun 2026US 12,643,072 B2The Regents of the University of Colorado
- Device and a method for tangential flow filtration of a fluid12 May 2026US 12,623,169 B2Levitronix LLC
- Filtration system, method for predicting a maintenance condition of the filtration system and method for predicting a recovery condition of the filtration system4 Jun 2026US 2026/0151740 A1Roche Diagnostics Operations, Inc.
- Controllable hydrogen production system and controllable hydrogen production method28 May 2026US 2026/0145933 A1
- Vibrating Filtration Device14 May 2026US 2026/0131287 A1
- System for filter analysis and regeneration23 Apr 2026US 2026/0110615 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Systems and methods for extending water filtration membrane lifetime in self-mediated saltless whole home water treatment systems2 Apr 2026US 2026/0091356 A1Pentair Residential Filtration, LLC
Most cited
By later US patents
- Hemofiltration and plasmafiltration devices and methods308US 5,919,369 AHemocleanse, Inc. · 1999
- Hemofiltration and plasmafiltration devices and methods214US 5,536,412 AHemocleanse, Inc. · 1996
- Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate200US 5,639,373 AZenon Environmental Inc. · 1997
- Vertical cylindrical skein of hollow fiber membranes and method of maintaining clean fiber surfaces191US 5,783,083 AZenon Environmental Inc. · 1998
- Device and method for extracorporeal blood treatment185US 5,277,820 AHemocleanse, Inc. · 1994