B01D 46/403
Of helically or spirally wound bodies
Official title: {of helically or spirally wound bodies}
B01D46/403 (Of helically or spirally wound bodies) appears on 17 US grants and 22 published applications in this corpus.
Search patents in B01D- Granted patents
- 17
- Published applications
- 22
- Assignees
- 14
- Inventors
- 43
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 4 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for removing particulate material11 Nov 2025US 12,466,643 B1Trans-West, Inc.
- Axial flow centrifugal separator20 May 2025US 12,303,816 B2Cummins Filtration IP, Inc.
- Dust-collecting device for fan blades31 Dec 2024US 12,180,981 B1
- Axial flow centrifugal separator9 Apr 2024US 11,951,431 B2Cummins Filtration IP, Inc.
- High bulk coalescing filter media and use thereof28 Feb 2023US 11,590,435 B2Atlas Copco Airpower, Naamloze Vennootschap
- Power tool with self-cleaning dust protection filter17 Sep 2026US 2026/0273717 A1C. & E. Fein GmbH
- Axial flow centrifugal separator18 Jun 2026US 2026/0166459 A1Cummins Filtration IP, Inc.
- Thin-walled expanded metal filters21 Nov 2024US 2024/0383433 A1ACS Industries, Inc.
- Axial flow centrifugal separator15 Aug 2024US 2024/0269592 A1Cummins Filtration IP, Inc.
- Filter element and filter body thereof11 Apr 2024US 2024/0115985 A1
Most cited
By later US patents
- Fluid flow filtering arrangement29US 4,051,042 A1977
- Portable, low-power air filtration system5US 10,774,846 B2Design West Technologies, Inc. · 2020
- Systems and methods for removing particulate material5US 12,466,643 B1Trans-West, Inc. · 2025
- Axial flow centrifugal separator4US 11,446,598 B2Cummins Filtration IP, Inc. · 2022
- Fluid filter flow arrangement4US 4,009,109 A1977