B01D 17/085
With membranes
Official title: {with membranes}
B01D17/085 (With membranes) appears on 229 US grants and 137 published applications in this corpus.
Search patents in B01D- Granted patents
- 229
- Published applications
- 137
- Assignees
- 158
- Inventors
- 562
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 8 | 0 |
| 1993 | 13 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 9 | 6 |
| 2003 | 6 | 11 |
| 2004 | 4 | 7 |
| 2005 | 2 | 8 |
| 2006 | 4 | 3 |
| 2007 | 3 | 3 |
| 2008 | 3 | 7 |
| 2009 | 3 | 7 |
| 2010 | 3 | 3 |
| 2011 | 4 | 5 |
| 2012 | 4 | 3 |
| 2013 | 4 | 6 |
| 2014 | 3 | 10 |
| 2015 | 2 | 8 |
| 2016 | 4 | 5 |
| 2017 | 6 | 4 |
| 2018 | 6 | 4 |
| 2019 | 5 | 5 |
| 2020 | 6 | 4 |
| 2021 | 6 | 5 |
| 2022 | 3 | 4 |
| 2023 | 5 | 9 |
| 2024 | 1 | 3 |
| 2025 | 5 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alumina-supported polypyrrole modified oxidized graphitic carbon nitride membrane2 Jun 2026US 12,643,078 B1King Fahd University of Petroleum and Minerals
- Filter device13 Jan 2026US 12,521,653 B2Zhejiang Weitai Automobile Parts Co., Ltd.
- System for separating oil and water mixture using hydrophilic modified polystyrene and hydrophobic polyurethane2 Dec 2025US 12,485,365 B2King Fahd University of Petroleum and Minerals
- Systems and methods for fuel tank draining and polishing29 Jul 2025US 12,370,500 B2W. L. Gore & Associates, Inc.
- Recovering heavy hydrocarbons from plastic materials and geoformation27 May 2025US 12,312,446 B1
- Pyrolysis oil purification using successive extractions23 Jul 2026US 2026/0209612 A1Sabic Global Technologies B.V.
- Substrate processing apparatus26 Feb 2026US 2026/0060029 A1SCREEN Holdings Co., Ltd.
- Organic solvent collection apparatus, substrate processing apparatus, and organic solvent collection method25 Sep 2025US 2025/0296011 A1SCREEN Holdings Co., Ltd.
- Oleaginous material extraction with separation device to recover and supplement fresh solvent flow11 Sep 2025US 2025/0283009 A1Crown Iron Works Company
- Methods and apparatuses for purification of gel droplets supporting biological tissue24 Jul 2025US 2025/0235802 A1Duke University
Most cited
By later US patents
- Cassette with integral separation device159US 6,471,855 B1Baxter International Inc. · 2002
- Centrifugal filtration apparatus134US 6,156,199 A2000
- Downhole separator for wells119US 4,241,787 A1980
- Method of producing oil from a formation fluid containing both oil and water101US 4,296,810 A1981
- Method for producing autologous platelet-rich plasma77US 6,649,072 B22003