B01D 2265/05
Special adapters for the connection of filters or parts of filters
B01D2265/05 (Special adapters for the connection of filters or parts of filters) appears on 74 US grants and 64 published applications in this corpus.
Search patents in B01D- Granted patents
- 74
- Published applications
- 64
- Assignees
- 59
- Inventors
- 190
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 4 |
| 2006 | 0 | 1 |
| 2007 | 2 | 5 |
| 2008 | 3 | 1 |
| 2009 | 1 | 4 |
| 2010 | 1 | 4 |
| 2011 | 2 | 1 |
| 2012 | 4 | 2 |
| 2013 | 2 | 5 |
| 2014 | 2 | 2 |
| 2015 | 3 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 5 |
| 2018 | 2 | 1 |
| 2019 | 5 | 4 |
| 2020 | 2 | 2 |
| 2021 | 3 | 4 |
| 2022 | 2 | 2 |
| 2023 | 1 | 4 |
| 2024 | 2 | 4 |
| 2025 | 3 | 5 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adapter element and retaining device for an air/oil separator of a vacuum pump22 Sep 2026US 12,741,244 B2Busch Produktions GmbH
- Filter sheet and filter30 Dec 2025US 12,508,531 B2Toyo Aluminium Ekco Products Co., Ltd.
- Filter elements and assemblies2 Sep 2025US 12,403,419 B1Donaldson Company, Inc.
- Filter element and method of manufacturing a filter element27 May 2025US 12,311,301 B2Donaldson Company, Inc.
- Foldable filter housing for air conditioning1 Oct 2024US 12,102,950 B1
- Filter elements and assemblies25 Dec 2025US 2025/0387743 A1Donaldson Company, Inc.
- Filter element and method of manufacturing a filter element30 Oct 2025US 2025/0332532 A1Donaldson Company, Inc.
- Air filter device, filter cartridge, adapter element and method for exchanging the filter cartridge28 Aug 2025US 2025/0269316 A1MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
- Filter apparatus7 Aug 2025US 2025/0249389 A1Mann+Hummel GmbH
- Filter system and filter element20 Feb 2025US 2025/0058260 A1Mann+Hummel GmbH
Most cited
By later US patents
- Radially sealed air filters229US 5,487,767 ADana Corporation · 1996
- Rotatable sealed filter outlet69US 5,882,367 ANelson Industries, Inc. · 1999
- Dust collector filter cartridge and attachment means for suspending same from baghouse tube sheet56US 4,445,915 AFlex-Kleen Corporation · 1984
- Centralized laser plume evacuation system through articulating arms54US 5,409,511 AMichaud, Cooley, Erickson & Associates, Inc. · 1995
- Separator arrangement for gas/liquid separation; apparatus; and, methods52US 8,182,569 B2Donaldson Company, Inc. · 2012