B01D 2275/105
Wound layers
B01D2275/105 (Wound layers) appears on 77 US grants and 81 published applications in this corpus.
Search patents in B01D- Granted patents
- 77
- Published applications
- 81
- Assignees
- 52
- Inventors
- 197
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 7 |
| 2008 | 3 | 2 |
| 2009 | 0 | 3 |
| 2010 | 3 | 4 |
| 2011 | 2 | 3 |
| 2012 | 3 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 4 |
| 2017 | 4 | 7 |
| 2018 | 3 | 8 |
| 2019 | 4 | 3 |
| 2020 | 5 | 4 |
| 2021 | 3 | 5 |
| 2022 | 5 | 6 |
| 2023 | 2 | 2 |
| 2024 | 4 | 2 |
| 2025 | 5 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter device for compressed air21 Jul 2026US 12,685,955 B2
- Separation component for a filter element10 Feb 2026US 12,544,704 B2Mann+Hummel GmbH
- Fiber bed filter and mist eliminator system with enhanced drainage13 Jan 2026US 12,521,663 B2Kimre, Inc.
- Air filter medium, filter pleat pack, and air filter unit14 Oct 2025US 12,440,794 B2Nitto Denko Corporation
- Filter elements and methods of manufacturing filter elements24 Jun 2025US 12,337,270 B2Donaldson Company, Inc.
- Coalescing separator insert, coalescing separator, and process for manufacturing a coalescing separator insert17 Sep 2026US 2026/0273446 A1Mann+Hummel GmbH
- Filter device for compressed air2 Jul 2026US 2026/0183692 A1
- Axial flow centrifugal separator18 Jun 2026US 2026/0166459 A1Cummins Filtration IP, Inc.
- Filter element and method of manufacturing a filter element30 Oct 2025US 2025/0332532 A1Donaldson Company, Inc.
- Fiber bed filter and mist eliminator system with ehnanced drainage30 Oct 2025US 2025/0332534 A1Kimre, Inc.
Most cited
By later US patents
- Corrugated axial filter with simple fold pattern and method of making it119US 6,238,561 B1Nelson Industries, Inc. · 2001
- Inside-to-outside flow filter tube and method of using same108US 4,102,785 AWhatman Reeve Angel Limited · 1978
- Pre-form for exhaust aftertreatment control filter63US 6,582,490 B2Fleetguard, Inc. · 2003
- Fluid purification system56US 4,083,780 AEnvirogenics Systems Company · 1978
- Gas phase permeable filter50US 4,227,904 AD-Mark, Inc. · 1980