B01D 46/527
In wound arrangement
Official title: {in wound arrangement}
B01D46/527 (In wound arrangement) appears on 336 US grants and 369 published applications in this corpus.
Search patents in B01D- Granted patents
- 336
- Published applications
- 369
- Assignees
- 46
- Inventors
- 366
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 11 |
| 2003 | 7 | 6 |
| 2004 | 6 | 5 |
| 2005 | 7 | 11 |
| 2006 | 6 | 19 |
| 2007 | 7 | 16 |
| 2008 | 8 | 16 |
| 2009 | 6 | 15 |
| 2010 | 14 | 21 |
| 2011 | 25 | 22 |
| 2012 | 18 | 17 |
| 2013 | 23 | 14 |
| 2014 | 19 | 18 |
| 2015 | 10 | 17 |
| 2016 | 13 | 11 |
| 2017 | 14 | 19 |
| 2018 | 12 | 19 |
| 2019 | 19 | 14 |
| 2020 | 19 | 21 |
| 2021 | 15 | 14 |
| 2022 | 16 | 21 |
| 2023 | 15 | 10 |
| 2024 | 15 | 15 |
| 2025 | 14 | 12 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter media, filter media packs, and filter elements29 Sep 2026US 12,746,500 B2Donaldson Company, Inc.
- Active precleaner system and methods of use2 Jun 2026US 12,643,066 B2Donaldson Company, Inc.
- Filter element configurations24 Feb 2026US 12,558,639 B2Donaldson Company, Inc.
- Filter element for pulse cleaning and methods17 Feb 2026US 12,551,837 B2Donaldson Company, Inc.
- Filter assemblies and elements utilizing multilayered and wrapped filter media6 Jan 2026US 12,515,162 B2Atmus Filtration IP Inc.
- Active precleaner system and methods of use24 Sep 2026US 2026/0284565 A1Donaldson Company, Inc.
- Filter assemblies and elements utilizing multilayered and wrapped filter media4 Jun 2026US 2026/0151723 A1Atmus Filtration IP Inc.
- Filter assemblies utilizing full cross-section21 May 2026US 2026/0138067 A1Atmus Filtration IP Inc.
- Two-stage air cleaner system with side-positioned pre-cleaner and pre-cleaner19 Feb 2026US 2026/0048356 A1Donaldson Company, Inc.
- Filter element with seal receiver6 Nov 2025US 2025/0339803 A1Donaldson Company, Inc.
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
- Filter element incorporating a handle member390US 6,235,195 B1Donaldson Company, Inc. · 2001
- Air filtration arrangements having fluted media constructions and methods381US 6,673,136 B2Donaldson Company, Inc. · 2004
- Air filter arrangement having first and second filter media dividing a housing and methods343US 6,210,469 B1Donaldson Company, Inc. · 2001