B01D 2321/00
Details relating to membrane cleaning, regeneration, sterilization or to the prevention of
Official title: Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
B01D2321/00 (Details relating to membrane cleaning, regeneration, sterilization or to the prevention of) appears on 1,918 US grants and 2,262 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,918
- Published applications
- 2,262
- Assignees
- 1,154
- Inventors
- 4,819
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 16 | 0 |
| 1980 | 13 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 15 | 0 |
| 1987 | 27 | 0 |
| 1988 | 26 | 0 |
| 1989 | 20 | 0 |
| 1990 | 20 | 0 |
| 1991 | 28 | 0 |
| 1992 | 21 | 0 |
| 1993 | 34 | 0 |
| 1994 | 21 | 0 |
| 1995 | 20 | 0 |
| 1996 | 24 | 0 |
| 1997 | 39 | 0 |
| 1998 | 22 | 0 |
| 1999 | 45 | 0 |
| 2000 | 48 | 0 |
| 2001 | 57 | 14 |
| 2002 | 37 | 51 |
| 2003 | 30 | 60 |
| 2004 | 31 | 85 |
| 2005 | 42 | 77 |
| 2006 | 43 | 72 |
| 2007 | 33 | 90 |
| 2008 | 31 | 86 |
| 2009 | 36 | 96 |
| 2010 | 38 | 90 |
| 2011 | 48 | 88 |
| 2012 | 50 | 80 |
| 2013 | 45 | 101 |
| 2014 | 48 | 84 |
| 2015 | 58 | 116 |
| 2016 | 58 | 95 |
| 2017 | 66 | 116 |
| 2018 | 73 | 114 |
| 2019 | 90 | 93 |
| 2020 | 82 | 106 |
| 2021 | 70 | 111 |
| 2022 | 75 | 98 |
| 2023 | 75 | 97 |
| 2024 | 75 | 106 |
| 2025 | 68 | 82 |
| 2026 | 52 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01D 2321/20Details relating to membrane cleaning, regeneration, sterilization or to the prevention ofIndexing code583
- B01D 2321/04BackflushingIndexing code575
- B01D 2321/16Use of chemical agentsIndexing code534
- B01D 2321/18Use of gasesIndexing code474
- B01D 2321/02Forward flushingIndexing code186
- B01D 2321/12Use of permeateIndexing code127
- B01D 2321/40Automatic control of cleaning processesIndexing code127
- B01D 2321/22Electrical effectsIndexing code79
All 23 subgroupsShow fewer
- B01D 2321/08Use of hot water or water vaporIndexing code60
- B01D 2321/30Mechanical cleaningIndexing code59
- B01D 2321/10Use of feedIndexing code58
- B01D 2321/32Details relating to membrane cleaning, regeneration, sterilization or to the prevention ofIndexing code54
- B01D 2321/34Details relating to membrane cleaning, regeneration, sterilization or to the prevention ofIndexing code51
- B01D 2321/28Details relating to membrane cleaning, regeneration, sterilization or to the prevention ofIndexing code37
- B01D 2321/44Specific cleaning apparatusIndexing code24
- B01D 2321/26Details relating to membrane cleaning, regeneration, sterilization or to the prevention ofIndexing code21
- B01D 2321/281Details relating to membrane cleaning, regeneration, sterilization or to the prevention ofIndexing code21
- B01D 2321/06Use of osmotic pressureIndexing code20
- B01D 2321/14Use of concentrateIndexing code16
- B01D 2321/35Details relating to membrane cleaning, regeneration, sterilization or to the prevention ofIndexing code16
- B01D 2321/24Magnetic effectsIndexing code10
- B01D 2321/42Chemical regenerationIndexing code4
- B01D 2321/282Details relating to membrane cleaning, regeneration, sterilization or to the prevention ofIndexing code3
Recent patents
- Separation of alcohol using a membrane15 Sep 2026US 12,734,482 B2Altr Fltr Inc.
- Water treatment method and water treatment agent composition8 Sep 2026US 12,728,390 B2Organo Corporation
- Humidifying device having channel plates and channel plate for humidifying device25 Aug 2026US 12,719,067 B2Mann+Hummel GmbH
- Method for operating separation membrane module, computer-readable recording medium having program recorded thereon, and water production system18 Aug 2026US 12,708,878 B2Toray Industries, Inc.
- Method for purifying liquid and system for the implementation thereof11 Aug 2026US 12,702,952 B2Electrophor, Inc.
- Modular multi-filter systems and methods of use1 Oct 2026US 2026/0295538 A1Pentair Water Pool and Spa, Inc.
- In line cleaning in place process for alternating tangential flow filter1 Oct 2026US 2026/0295539 A1Enzene Biosciences Limited
- Ultra-low power membrane-assisted lithium extraction system with passive foulant removal24 Sep 2026US 2026/0284598 A1Lyten, Inc.
- Cleaning method of membrane housing, membrane housing cleaned by the cleaning method, and ultrapure water manufacturing apparatus including the membrane housing17 Sep 2026US 2026/0273471 A1Organo Corporation
- Bioreactor with membrane filtration and methods for treating wastewater10 Sep 2026US 2026/0265098 A1Bl Technologies, Inc.
Most cited
By later US patents
- Purification of saline water838US 4,036,749 A1977
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Hemofiltration and plasmafiltration devices and methods308US 5,919,369 AHemocleanse, Inc. · 1999
- Hemodialysis machine with automatic priming by induced pressure pulses251US 5,863,421 AAksys, Ltd. · 1999
- Electrolyte and pH monitoring for fluid removal processes251US 9,192,707 B2Medtronic, Inc. · 2015