B01D 46/12
In multiple arrangements
Official title: in multiple arrangements
B01D46/12 (In multiple arrangements) appears on 714 US grants and 725 published applications in this corpus.
Search patents in B01D- Granted patents
- 714
- Published applications
- 725
- Assignees
- 434
- Inventors
- 1,771
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 3 |
| 2002 | 12 | 9 |
| 2003 | 10 | 13 |
| 2004 | 8 | 19 |
| 2005 | 21 | 16 |
| 2006 | 11 | 17 |
| 2007 | 8 | 19 |
| 2008 | 16 | 11 |
| 2009 | 5 | 12 |
| 2010 | 8 | 12 |
| 2011 | 13 | 17 |
| 2012 | 9 | 19 |
| 2013 | 15 | 17 |
| 2014 | 21 | 21 |
| 2015 | 15 | 23 |
| 2016 | 14 | 19 |
| 2017 | 25 | 27 |
| 2018 | 6 | 28 |
| 2019 | 31 | 21 |
| 2020 | 19 | 43 |
| 2021 | 30 | 67 |
| 2022 | 30 | 88 |
| 2023 | 47 | 80 |
| 2024 | 48 | 55 |
| 2025 | 44 | 39 |
| 2026 | 34 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Indoor unit for air conditioner29 Sep 2026US 12,746,496 B2LG Electronics Inc.
- Indoor unit for air conditioner29 Sep 2026US 12,746,497 B2LG Electronics Inc.
- Dust removal filler, fouling collection pan and gas cleaning device22 Sep 2026US 12,741,245 B2China Petroleum & Chemical Corporation
- Point of use or point of dispense filter with multiple pleat packs15 Sep 2026US 12,734,488 B2Entegris, Inc.
- Air purifier15 Sep 2026US 12,736,443 B2Samsung Electronics Co., Ltd.
- Dust removal filler, fouling collection pan and gas cleaning device1 Oct 2026US 2026/0295489 A1China Petroleum & Chemical Corporation
- Paint mist removal device17 Sep 2026US 2026/0273567 A1Trinity Industrial Corporation
- Filter element for filtering a gaseous fluid6 Aug 2026US 2026/0225022 A1Mann+Hummel GmbH
- Filter isolation for reduced startup time in low relative humidity equipment front end module30 Jul 2026US 2026/0216628 A1APPLIED Materials.Inc.
- Explosion-proof venting valve device9 Jul 2026US 2026/0196645 A1Mann+Hummel GmbH
Most cited
By later US patents
- Fluid filtering device309US 4,589,983 ADonaldson Company, Inc. · 1986
- Fluid filtering device255US 4,410,427 ADonaldson Company, Inc. · 1983
- Filter arrangement and methods250US 6,348,085 B1Donaldson Company, Inc. · 2002
- Multi-panel fluid filter with equalized contaminant passages183US 6,482,247 B2Nelson Industries, Inc. · 2002
- Air cleaner181US 4,236,903 A1980