B01D 2201/4023
Means for connecting filter housings to supports
B01D2201/4023 (Means for connecting filter housings to supports) appears on 315 US grants and 373 published applications in this corpus.
Search patents in B01D- Granted patents
- 315
- Published applications
- 373
- Assignees
- 180
- Inventors
- 718
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 6 |
| 2003 | 7 | 13 |
| 2004 | 10 | 13 |
| 2005 | 7 | 9 |
| 2006 | 11 | 21 |
| 2007 | 10 | 19 |
| 2008 | 6 | 12 |
| 2009 | 10 | 25 |
| 2010 | 16 | 20 |
| 2011 | 11 | 11 |
| 2012 | 13 | 12 |
| 2013 | 7 | 5 |
| 2014 | 5 | 6 |
| 2015 | 7 | 16 |
| 2016 | 8 | 14 |
| 2017 | 15 | 21 |
| 2018 | 13 | 15 |
| 2019 | 13 | 21 |
| 2020 | 17 | 30 |
| 2021 | 20 | 18 |
| 2022 | 22 | 11 |
| 2023 | 14 | 14 |
| 2024 | 14 | 19 |
| 2025 | 15 | 15 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter assembly25 Aug 2026US 12,716,481 B2Filtran LLC
- Connection assembly and manifold thereof19 May 2026US 12,631,275 B2Entegris, Inc.
- Backflow-preventing filter module3 Mar 2026US 12,564,800 B2Kemflo International Co., Ltd.
- Filter assembly and refrigerator including the same10 Feb 2026US 12,544,694 B2Microfilter Co., Ltd.
- Modular filtration platform4 Nov 2025US 12,458,914 B2Ecowater Systems, Inc.
- Swing filter-linked device and liquid filtration equipment6 Aug 2026US 2026/0225008 A1Benq Corporation
- Ice maker appliance and water filter11 Jun 2026US 2026/0160472 A1Haier US Appliance Solutions, Inc.
- Water filter and home appliance having same21 May 2026US 2026/0138889 A1LG Electronics Inc.
- Gas treatment apparatus for vent30 Apr 2026US 2026/0115637 A1Building Healthcare Solutions, LLC
- Filter installation bracket and cabinet apparatus using the same19 Mar 2026US 2026/0076480 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Quick-change filter cartridge and head therefor175US 4,735,716 ACuno Corporated · 1988
- Air filter with scaling bead freely movable in the radial direction153US 5,730,769 AFilterwerk Mann & Hummel GmbH · 1998
- Water filtering system with replaceable cartridge for a refrigerator138US 6,120,685 AMaytag Corporation · 2000
- Quick-change filter cartridge and head therefor130US 4,877,521 ACuno Incorporated · 1989
- Low spillage replaceable water filter assembly128US 6,632,355 B2PentaPure Incorporated · 2003