B01D 2201/202
Systems for applying pressure to filters
B01D2201/202 (Systems for applying pressure to filters) appears on 76 US grants and 97 published applications in this corpus.
Search patents in B01D- Granted patents
- 76
- Published applications
- 97
- Assignees
- 79
- Inventors
- 254
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 3 | 1 |
| 2013 | 2 | 2 |
| 2014 | 0 | 4 |
| 2015 | 1 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 7 |
| 2018 | 2 | 8 |
| 2019 | 5 | 5 |
| 2020 | 4 | 8 |
| 2021 | 6 | 14 |
| 2022 | 7 | 7 |
| 2023 | 12 | 7 |
| 2024 | 6 | 8 |
| 2025 | 2 | 10 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Candle filter device6 Oct 2026US 12,752,222 B2Lenzing Aktiengesellschaft
- Filter assembly25 Aug 2026US 12,716,481 B2Filtran LLC
- Method for purifying liquid and system for the implementation thereof11 Aug 2026US 12,702,952 B2Electrophor, Inc.
- Slurry filter assembly9 Jun 2026US 12,649,117 B2Precision Planting LLC
- Lightweight fibrous media (LFM) filter31 Mar 2026US 12,589,336 B1
- Positive pressure filtration apparatus and method20 Aug 2026US 2026/0241314 A1Scientific Plastic Products, Inc.
- Flash-filtration apparatus and experimental platform30 Jul 2026US 2026/0219144 A1Shenzhen Jingtai Technology Co., Ltd.
- Filter for hydraulic fluids for hydraulic circuits18 Jun 2026US 2026/0166451 A1Mp Filtri S.P.A.
- Dispositif de collecte de particules solides contenues dans une soupe de matires organiques7 May 2026US 2026/0124645 A1Green Creative Ltd.
- Screen, in particular pressure screen2 Apr 2026US 2026/0091329 A1Andritz Fiedler GmbH
Most cited
By later US patents
- Filtration unit45US 6,110,389 A2000
- Fluid filtration system36US 8,097,156 B23M Innovative Properties Company · 2012
- Filtering device for dispensing and filtering from samples32US 4,859,336 AGenex Corporation · 1989
- Filtration and extraction device and method of using the same30US 6,090,572 ABiostar, Inc. · 2000
- Filtration and extraction device and method of using the same27US 6,207,445 B1Biostar, Inc. · 2001