B01D 2321/34
Details relating to membrane cleaning, regeneration, sterilization or to the prevention of
Official title: by radiation
B01D2321/34 (Details relating to membrane cleaning, regeneration, sterilization or to the prevention of) appears on 51 US grants and 45 published applications in this corpus.
Search patents in B01D- Granted patents
- 51
- Published applications
- 45
- Assignees
- 36
- Inventors
- 135
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 3 | 7 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 4 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 4 |
| 2022 | 1 | 3 |
| 2023 | 2 | 4 |
| 2024 | 2 | 3 |
| 2025 | 6 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Alumina-supported polypyrrole modified oxidized graphitic carbon nitride membrane2 Jun 2026US 12,643,078 B1King Fahd University of Petroleum and Minerals
- Light fixture with UV disinfection12 May 2026US 12,622,994 B2Apogee Lighting Holdings, LLC
- Photocurable compositions and method of forming topographical features on a membrane surface using photocurable compositions5 May 2026US 12,617,943 B2Henkel AG & Co. KGaA
- Transparent reusable ultrahigh molecular weight polyethylene air filter24 Feb 2026US 12,558,655 B2The Hong Kong University of Science and Technology
- Installation system comprising a wastewater line9 Dec 2025US 12,491,475 B2BTW Holding GmbH
- Monitoring and optimizing water pre-treatment by ultraviolet illumination and addition of chemical agents4 Jun 2026US 2026/0151735 A1Atlantium Technologies Ltd.
- Porous self-cleaning photocatalytic membrane9 Oct 2025US 2025/0312751 A1King Fahd University of Petroleum and Minerals
- Method for photocatalytic degradation of organic pollutants9 Oct 2025US 2025/0312752 A1King Fahd University of Petroleum and Minerals
- Method for cleaning a fouled water purification membrane9 Oct 2025US 2025/0312753 A1King Fahd University of Petroleum and Minerals
- Porous water decontamination membrane9 Oct 2025US 2025/0312754 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Polysulfone hollow fiber semipermeable membrane57US 5,938,929 AToray Industries, Inc. · 1999
- Polysulfone hollow fiber semipermeable membrane50US 6,103,117 AToray Industries, Inc. · 2000
- Apparatus, membranes and methods for removing organic compounds from a biological fluid46US 6,099,734 ABaxter International Inc. · 2000
- Selectively transmissive polysulfonic hollow fiber membrane36US 5,436,068 AToray Industries, Inc. · 1995
- Plasma separator and a process for preparing the same25US 4,696,748 AAsahi Medical Co., Ltd. · 1987