B01D 46/62
Connected in series
Official title: connected in series
B01D46/62 (Connected in series) appears on 1,291 US grants and 1,469 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,291
- Published applications
- 1,469
- Assignees
- 680
- Inventors
- 2,950
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 17 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 32 | 0 |
| 1999 | 14 | 0 |
| 2000 | 25 | 0 |
| 2001 | 28 | 8 |
| 2002 | 20 | 20 |
| 2003 | 22 | 16 |
| 2004 | 14 | 28 |
| 2005 | 15 | 31 |
| 2006 | 15 | 34 |
| 2007 | 12 | 31 |
| 2008 | 22 | 22 |
| 2009 | 19 | 42 |
| 2010 | 19 | 36 |
| 2011 | 23 | 34 |
| 2012 | 38 | 51 |
| 2013 | 24 | 34 |
| 2014 | 41 | 66 |
| 2015 | 36 | 93 |
| 2016 | 56 | 80 |
| 2017 | 68 | 86 |
| 2018 | 61 | 54 |
| 2019 | 73 | 86 |
| 2020 | 80 | 93 |
| 2021 | 58 | 116 |
| 2022 | 75 | 91 |
| 2023 | 70 | 104 |
| 2024 | 82 | 78 |
| 2025 | 70 | 73 |
| 2026 | 33 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Haircare appliance29 Sep 2026US 12,746,492 B2Dyson Technology Limited
- Filter unit29 Sep 2026US 12,746,493 B2Samsung Biologics Co., Ltd.
- Filter media, filter media packs, and filter elements29 Sep 2026US 12,746,500 B2Donaldson Company, Inc.
- Air conditioning and filtration system29 Sep 2026US 12,746,502 B2Work Air Technologies Pty Ltd
- Filtration assembly and system29 Sep 2026US RE51,044 E1Walk Industrial, Inc.
- Stackable air treatment device8 Oct 2026US 2026/0306982 A1Carrier Corporation
- Systems, Methods, and Apparatuses for Producing and Packaging Medical Fluids8 Oct 2026US 2026/0307835 A1
- Sterilizing Cabinet Filter Assembly1 Oct 2026US 2026/0295487 A1
- Coalescing separator insert, coalescing separator, and process for manufacturing a coalescing separator insert17 Sep 2026US 2026/0273445 A1Mann+Hummel GmbH
- Coalescing separator insert, coalescing separator, and process for manufacturing a coalescing separator insert17 Sep 2026US 2026/0273446 A1Mann+Hummel GmbH
Most cited
By later US patents
- Inline filter apparatus526US 5,820,646 ADonaldson Company, Inc. · 1998
- Filter arrangement; sealing system; and methods402US 6,190,432 B1Donaldson Company, Inc. · 2001
- Air filter arrangement having first and second filter media dividing a housing and methods343US 6,210,469 B1Donaldson Company, Inc. · 2001
- Air cleaner having sealing arrangement between media arrangement and housing342US 6,179,890 B2Donaldson Company, Inc. · 2001
- Filter arrangement; sealing system; and methods288US 6,350,291 B1Donaldson Company, Inc. · 2002