B01D 2317/022
Reject series
B01D2317/022 (Reject series) appears on 293 US grants and 448 published applications in this corpus.
Search patents in B01D- Granted patents
- 293
- Published applications
- 448
- Assignees
- 235
- Inventors
- 856
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 7 |
| 2007 | 1 | 7 |
| 2008 | 5 | 9 |
| 2009 | 2 | 4 |
| 2010 | 4 | 10 |
| 2011 | 10 | 26 |
| 2012 | 11 | 23 |
| 2013 | 9 | 12 |
| 2014 | 15 | 22 |
| 2015 | 8 | 13 |
| 2016 | 11 | 17 |
| 2017 | 9 | 33 |
| 2018 | 17 | 25 |
| 2019 | 25 | 26 |
| 2020 | 20 | 33 |
| 2021 | 24 | 31 |
| 2022 | 29 | 28 |
| 2023 | 19 | 39 |
| 2024 | 19 | 32 |
| 2025 | 34 | 31 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membranes with controlled porosity for serial filtration8 Sep 2026US 12,728,389 B2Gradiant Corporation
- System for reverse osmosis and for pressure retarded osmosis8 Sep 2026US 12,728,391 B2Danfoss A/S
- Osmotic methods and systems involving energy recovery1 Sep 2026US 12,722,989 B2Gradiant Corporation
- System and method for separating a gas mixture25 Aug 2026US 12,714,968 B2Haffmans B.V.
- Composite semipermeable membrane, spiral membrane element, water treatment system, and water treatment method18 Aug 2026US 12,708,880 B2Nitto Denko Corporation
- Method for Concentrating Raw Material Solution, and System for Concentrating Raw Material Solution23 Jul 2026US 2026/0208109 A1Asahi Kasei Kabushiki Kaisha
- Wastewater concentration device and concentration method23 Jul 2026US 2026/0209087 A1Kurita Water Industries Ltd.
- Method for Concentrating Raw Material Solution, and System for Concentrating Raw Material Solution9 Jul 2026US 2026/0192254 A1Asahi Kasei Kabushiki Kaisha
- Continuous tangential flow filtration system2 Jul 2026US 2026/0183714 A1Eli Lilly and Company
- Removing components of alcoholic solutions via forward osmosis and related systems14 May 2026US 2026/0131285 A1Porifera, Inc.
Most cited
By later US patents
- Process for dewatering ethanol79US 7,399,892 B2Oxeno Olefinchemie GmbH · 2008
- Process for reconcentrating overspray from one-component coating compositions75US 5,490,939 ABayer Aktiengesellschaft · 1996
- Multiple element fluid separation device59US 4,476,015 AV. J. Ciccone & Associates, Inc. · 1984
- Nanofiltration of concentrated aqueous salt solutions56US 5,858,240 AChemetics International Company Ltd. · 1999
- Combined membrane-distillation-forward-osmosis systems and methods of use53US 8,029,671 B2Board of Regents of the Nevada System of Higher Education, on behalf of the University of Nevada, Reno · 2011