B01D 2265/023
Making use of magnetic forces
Official title: making use of magnetic forces
B01D2265/023 (Making use of magnetic forces) appears on 56 US grants and 76 published applications in this corpus.
Search patents in B01D- Granted patents
- 56
- Published applications
- 76
- Assignees
- 44
- Inventors
- 151
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 3 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 4 | 7 |
| 2018 | 0 | 4 |
| 2019 | 3 | 6 |
| 2020 | 3 | 5 |
| 2021 | 2 | 9 |
| 2022 | 5 | 6 |
| 2023 | 5 | 6 |
| 2024 | 7 | 5 |
| 2025 | 6 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Haircare appliance29 Sep 2026US 12,746,492 B2Dyson Technology Limited
- Frame for collapsible and foldable pleated disposable air filter with differential pressure sensor and communication capability7 Apr 2026US 12,594,516 B2Woosh Air Inc.
- Filter assembly for packaging systems25 Nov 2025US 12,478,906 B2Formers International, Inc.
- Multi-stage filtration system for fuel cell hybrid propulsion system4 Nov 2025US 12,458,913 B2Cummins Inc.
- Filter equipment having simple and stable installation structure15 Jul 2025US 12,357,938 B2ECOROCELL Co., Ltd.
- Air cleaner12 Feb 2026US 2026/0042046 A1LG Electronics Inc.
- Multi-stage filtration system5 Feb 2026US 2026/0034484 A1Cummins Inc.
- Apparatuses for retaining filter elements in filter holder frames24 Jul 2025US 2025/0235807 A1L & D Distributors Ltd.
- Air purifier and air ventilation device having the same17 Jul 2025US 2025/0230951 A1Triple Win Technology(Shenzhen) Co. Ltd.
- Air Filter for Construction Projects6 Mar 2025US 2025/0073627 A1
Most cited
By later US patents
- Filtering apparatus for a forced air duct grill105US 5,525,145 A1996
- Flow rate threshold sensor54US 4,747,364 AFilter Alert Corporation · 1988
- Easy-attach air-duct filter frame45US 6,361,578 B12002
- Cleanable screen guard for fin-coil heat exchangers39US 6,221,120 B12001
- Equipment air filter39US 6,793,715 B12004