B01D 2201/28
Position of the filtering element
B01D2201/28 (Position of the filtering element) appears on 470 US grants and 125 published applications in this corpus.
Search patents in B01D- Granted patents
- 470
- Published applications
- 125
- Assignees
- 299
- Inventors
- 780
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 13 | 0 |
| 1978 | 15 | 0 |
| 1979 | 21 | 0 |
| 1980 | 15 | 0 |
| 1981 | 13 | 0 |
| 1982 | 12 | 0 |
| 1983 | 4 | 0 |
| 1984 | 17 | 0 |
| 1985 | 17 | 0 |
| 1986 | 12 | 0 |
| 1987 | 22 | 0 |
| 1988 | 10 | 0 |
| 1989 | 16 | 0 |
| 1990 | 16 | 0 |
| 1991 | 13 | 0 |
| 1992 | 23 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 29 | 0 |
| 1996 | 16 | 0 |
| 1997 | 14 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 5 | 3 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 4 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 6 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 3 | 1 |
| 2017 | 2 | 7 |
| 2018 | 4 | 9 |
| 2019 | 4 | 3 |
| 2020 | 2 | 14 |
| 2021 | 4 | 11 |
| 2022 | 16 | 20 |
| 2023 | 9 | 12 |
| 2024 | 8 | 12 |
| 2025 | 9 | 8 |
| 2026 | 11 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flat filter media22 Sep 2026US 12,741,238 B2Bullfrog International, LC
- Brine injection system with improved filtering system8 Sep 2026US 12,728,372 B2Gea Food Solutions Bakel B.V.
- Filter apparatus with pivotable filter cartridge11 Aug 2026US 12,702,940 B2Robert Bosch GmbH
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,962 B2Samsung Electronics Co., Ltd.
- Recycling method and system for biomass raw material14 Jul 2026US 12,678,844 B1
- Air filtration assembly with positioning aid24 Sep 2026US 2026/0284766 A1Apex Brands, Inc.
- Regenerative media filter21 May 2026US 2026/0138061 A1Blue Skies Global LLC
- Regenerative media filter21 May 2026US 2026/0138062 A1Blue Skies Global LLC
- Apparatus for manufacturing electrode films and method of operation for the apparatus23 Apr 2026US 2026/0112599 A1Samsung SDI.Co., Ltd.
- Water Filter System and Method20 Nov 2025US 2025/0352928 A1
Most cited
By later US patents
- Method and apparatus for testing the integrity of filter elements142US 5,417,101 APall Corporation · 1995
- Blood serum separation filter disc132US 3,972,812 ABecton, Dickinson and Company · 1976
- Pressure filter with vibratory impactor125US 4,526,688 AIndustrial Filter & Pump Mfg. Co. · 1985
- Fuel filter and water separator apparatus88US 4,298,465 ARacor Industries, Inc. · 1981
- Filtration method and apparatus86US 4,790,942 AMembrex, Inc. · 1988