B01D 69/105
Support pretreatment
Official title: {Support pretreatment}
B01D69/105 (Support pretreatment) appears on 202 US grants and 310 published applications in this corpus.
Search patents in B01D- Granted patents
- 202
- Published applications
- 310
- Assignees
- 239
- Inventors
- 859
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 5 |
| 2008 | 0 | 6 |
| 2009 | 1 | 11 |
| 2010 | 2 | 10 |
| 2011 | 3 | 11 |
| 2012 | 6 | 18 |
| 2013 | 7 | 18 |
| 2014 | 15 | 9 |
| 2015 | 10 | 11 |
| 2016 | 8 | 11 |
| 2017 | 8 | 18 |
| 2018 | 11 | 18 |
| 2019 | 12 | 12 |
| 2020 | 15 | 35 |
| 2021 | 14 | 26 |
| 2022 | 14 | 19 |
| 2023 | 16 | 21 |
| 2024 | 16 | 15 |
| 2025 | 16 | 14 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a gas separation membrane28 Jul 2026US 12,691,417 B2Kerionics, S.L.
- High flux nanofiltration membrane2 Jun 2026US 12,643,075 B1King Fahd University of Petroleum and Minerals
- Nanoporous graphene membrane2 Jun 2026US 12,644,175 B2Ostia Technologies Limited
- Preparation method of reverse osmosis composite membrane and reverse osmosis composite membrane prepared thereby26 May 2026US 12,636,622 B2Hunan Ovay Film Technology Co., Ltd.
- Fabrication of aquaporin-based biomimetic membrane12 May 2026US 12,623,190 B2Nanyang Technological University
- Membrane Supporting Structures8 Oct 2026US 2026/0307017 A1Memzyme, LLC
- Method for manufacturing a free standing membrane and method for forming an electroplated layer using a free standing membrane13 Aug 2026US 2026/0233169 A1Korea Advanced Institute of Science and Technology
- Ultrafast water flux through hot-pressed solution blown spun nanofiber-based thin film composite membranes for forward osmosis23 Jul 2026US 2026/0208117 A1Qatar University
- Method for improving membrance coating properties for ion exchange membrane applications and woven mesh fabric having improved membrane coating properties for ion exchange membrane applications11 Jun 2026US 2026/0158485 A1Sefar AG
- Organosilica membrane with porous intermediate layer and method for preparing the same21 May 2026US 2026/0138095 A1Changzhou University
Most cited
By later US patents
- Method of fabricating a membrane having a tapered pore148US 8,137,569 B2Oxford Nanopore Technologies PLC · 2012
- Dialysis apparatus with selective chemical activity89US 4,192,748 A1980
- Procedure for preparing molecular sieve films45US 6,177,373 B1Exxon Chemicals Patents Inc. · 2001
- Supported metal membrane, a process for its preparation and use31US 6,649,559 B2dmc2 Degussa Metals Catalysts Cerdec AG · 2003
- Composite ceramic micropermeable membrane, process and apparatus for producing such membrane30US 4,981,590 AHoogovens Groep B.V. · 1991