B01D 17/08
Thickening liquid suspensions by filtration
Official title: {Thickening liquid suspensions by filtration}
B01D17/08 (Thickening liquid suspensions by filtration) appears on 721 US grants and 433 published applications in this corpus.
Search patents in B01D- Granted patents
- 721
- Published applications
- 433
- Assignees
- 420
- Inventors
- 1,444
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 12 | 0 |
| 1985 | 18 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 16 | 0 |
| 1990 | 14 | 0 |
| 1991 | 20 | 0 |
| 1992 | 18 | 0 |
| 1993 | 26 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 15 | 0 |
| 1997 | 24 | 0 |
| 1998 | 28 | 0 |
| 1999 | 24 | 0 |
| 2000 | 25 | 0 |
| 2001 | 22 | 9 |
| 2002 | 21 | 20 |
| 2003 | 17 | 24 |
| 2004 | 14 | 23 |
| 2005 | 10 | 18 |
| 2006 | 14 | 19 |
| 2007 | 10 | 8 |
| 2008 | 10 | 14 |
| 2009 | 8 | 16 |
| 2010 | 10 | 14 |
| 2011 | 5 | 15 |
| 2012 | 15 | 15 |
| 2013 | 13 | 21 |
| 2014 | 10 | 17 |
| 2015 | 10 | 21 |
| 2016 | 13 | 16 |
| 2017 | 14 | 19 |
| 2018 | 17 | 21 |
| 2019 | 18 | 17 |
| 2020 | 20 | 17 |
| 2021 | 17 | 24 |
| 2022 | 12 | 22 |
| 2023 | 14 | 19 |
| 2024 | 14 | 7 |
| 2025 | 15 | 12 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Oil and fuel collector25 Aug 2026US 12,714,951 B2Manvers Engineering Limited
- Retrofitting and use of rectangular filters, assembly and method for filtration25 Aug 2026US 12,714,957 B2Filtration Technology Corporation
- Alumina-supported polypyrrole modified oxidized graphitic carbon nitride membrane2 Jun 2026US 12,643,078 B1King Fahd University of Petroleum and Minerals
- Oil purification filter5 May 2026US 12,616,925 B2Skf Recondoil AB
- Method for removing oil in cleaning liquid21 Apr 2026US 12,605,650 B2Shounan Engineering Inc.
- Coalescing plate stack supports1 Oct 2026US 2026/0295466 A1Park Environmental Equipment, LLC
- Pyrolysis oil purification using successive extractions23 Jul 2026US 2026/0209612 A1Sabic Global Technologies B.V.
- Water/Organic Solvent Separation Device and Water/Organic Solvent Separation Method9 Jul 2026US 2026/0192215 A1Mitsui Chemicals Asahi Life Materials Co., Ltd.
- Substrate processing apparatus26 Feb 2026US 2026/0060029 A1SCREEN Holdings Co., Ltd.
- Enhanced fuel water separation using structural embossing5 Feb 2026US 2026/0034481 A1Parker-Hannifin Corporation
Most cited
By later US patents
- Cassette with integral separation device159US 6,471,855 B1Baxter International Inc. · 2002
- Swimming pool control system134US 5,730,861 A1998
- Centrifugal filtration apparatus134US 6,156,199 A2000
- Downhole separator for wells119US 4,241,787 A1980
- Cross-flow microchannel apparatus and method of producing or separating emulsions making use thereof118US 6,258,858 B1Bio-oriented Technology Research Advancement Institution · 2001