B01D 65/08
Prevention of membrane fouling or of concentration polarisation
B01D65/08 (Prevention of membrane fouling or of concentration polarisation) appears on 1,058 US grants and 1,296 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,058
- Published applications
- 1,296
- Assignees
- 678
- Inventors
- 2,795
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 18 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 6 | 0 |
| 1999 | 25 | 0 |
| 2000 | 21 | 0 |
| 2001 | 38 | 11 |
| 2002 | 20 | 30 |
| 2003 | 22 | 38 |
| 2004 | 21 | 57 |
| 2005 | 30 | 48 |
| 2006 | 24 | 43 |
| 2007 | 21 | 50 |
| 2008 | 19 | 40 |
| 2009 | 22 | 45 |
| 2010 | 22 | 40 |
| 2011 | 29 | 45 |
| 2012 | 25 | 32 |
| 2013 | 26 | 56 |
| 2014 | 23 | 54 |
| 2015 | 20 | 59 |
| 2016 | 29 | 73 |
| 2017 | 39 | 61 |
| 2018 | 50 | 66 |
| 2019 | 57 | 69 |
| 2020 | 54 | 67 |
| 2021 | 54 | 62 |
| 2022 | 42 | 65 |
| 2023 | 38 | 56 |
| 2024 | 39 | 62 |
| 2025 | 47 | 41 |
| 2026 | 22 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Filtration device4 Aug 2026US 12,697,592 B2Sani Membranes ApS
- Filter assembly for a therapeutic gas delivery device23 Jun 2026US 12,661,614 B2Mallinckrodt Pharmaceuticals Ireland Limited
- Method for operating reverse osmosis membrane device, a slime control method, and a water treatment device16 Jun 2026US 12,655,041 B2Kurita Water Industries Ltd.
- Filter assembly for a therapeutic gas delivery device1 Oct 2026US 2026/0295513 A1Mallinckrodt Pharmaceuticals Ireland Limited
- Preservation solution for separation membrane and water treatment separation membrane packaging container comprising same10 Sep 2026US 2026/0264021 A1Toray Advanced Materials Korea Inc.
- Control device, control method, and control program20 Aug 2026US 2026/0242254 A1Yokogawa Electric Corporation
- Composite semipermeable membrane, composite semipermeable membrane module, fluid separation device, and method for producing composite semipermeable membrane6 Aug 2026US 2026/0225045 A1Toray Industries, Inc.
- Control device, control method, and control program6 Aug 2026US 2026/0225933 A1Yokogawa Electric Corporation
Most cited
By later US patents
- Purification of saline water838US 4,036,749 A1977
- 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
- Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate193US 5,248,424 AZenon Environmental Inc. · 1993