B01D 46/88
Replacing filter elements
B01D46/88 (Replacing filter elements) appears on 366 US grants and 330 published applications in this corpus.
Search patents in B01D- Granted patents
- 366
- Published applications
- 330
- Assignees
- 226
- Inventors
- 687
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 8 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 17 | 4 |
| 2002 | 7 | 8 |
| 2003 | 10 | 12 |
| 2004 | 8 | 11 |
| 2005 | 8 | 16 |
| 2006 | 7 | 21 |
| 2007 | 12 | 13 |
| 2008 | 10 | 11 |
| 2009 | 13 | 12 |
| 2010 | 13 | 11 |
| 2011 | 11 | 9 |
| 2012 | 10 | 8 |
| 2013 | 4 | 7 |
| 2014 | 10 | 10 |
| 2015 | 8 | 12 |
| 2016 | 8 | 11 |
| 2017 | 14 | 20 |
| 2018 | 12 | 12 |
| 2019 | 8 | 20 |
| 2020 | 15 | 16 |
| 2021 | 18 | 32 |
| 2022 | 16 | 12 |
| 2023 | 15 | 17 |
| 2024 | 17 | 13 |
| 2025 | 11 | 6 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter unit29 Sep 2026US 12,746,493 B2Samsung Biologics Co., Ltd.
- Filter lift apparatus and method7 Jul 2026US 12,673,284 B2
- Compact room air purifier with integrated gaskets26 May 2026US 12,636,601 B23M Innovative Properties Company
- Compressor system and filter housing19 May 2026US 12,629,625 B2Ingersoll-Rand Industrial U.S., Inc.
- Filter changing notification system12 May 2026US 12,623,176 B1
- Filter Lift Apparatus and Method20 Aug 2026US 2026/0241316 A1
- Filter system and method for pharmaceutical filling isolators13 Aug 2026US 2026/0233142 A1Vanrx Pharmasystems Inc.
- Filter device and method for mounting such a filter device25 Jun 2026US 2026/0175153 A1Atlas Copco Airpower N.V.
- Methods Of Reprocessing And Assembly Of A Filter Assembly For A Smoke Evacuation Unit18 Jun 2026US 2026/0166464 A1Stryker Corporation
- Filter Lift Apparatus and Method2 Apr 2026US 2026/0091335 A1
Most cited
By later US patents
- Air cleaner having sealing arrangement between media arrangement and housing342US 6,179,890 B2Donaldson Company, Inc. · 2001
- Cylindrical air filter with radially directed seal258US 5,547,480 ADonaldson Company, Inc. · 1996
- Compact dust filter assembly211US 4,395,269 ADonaldson Company, Inc. · 1983
- Air cleaner arrangements; serviceable filter elements; and, methods177US 7,351,270 B2Donaldson Company, Inc. · 2008
- Air cleaner device163US 5,213,596 ANippondenso Co., Ltd. · 1993