B01D 29/016
With corrugated, folded or wound filtering elements
Official title: {with corrugated, folded or wound filtering elements}
B01D29/016 (With corrugated, folded or wound filtering elements) appears on 89 US grants and 105 published applications in this corpus.
Search patents in B01D- Granted patents
- 89
- Published applications
- 105
- Assignees
- 61
- Inventors
- 201
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 2 | 4 |
| 2005 | 4 | 1 |
| 2006 | 3 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 4 | 5 |
| 2013 | 2 | 8 |
| 2014 | 3 | 4 |
| 2015 | 5 | 7 |
| 2016 | 6 | 7 |
| 2017 | 3 | 9 |
| 2018 | 6 | 5 |
| 2019 | 3 | 7 |
| 2020 | 10 | 10 |
| 2021 | 6 | 9 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 7 | 4 |
| 2025 | 1 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter element configurations24 Feb 2026US 12,558,639 B2Donaldson Company, Inc.
- 3D printed filter center tube6 Jan 2026US 12,515,148 B2Caterpillar Inc.
- Filters principally for use in connection with swimming pools and spas4 Nov 2025US 12,458,911 B2Zodiac Pool Systems LLC
- Laminar gas flow filter24 Dec 2024US 12,172,117 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Method of reducing the concentration of hydrogen sulfide in a gas stream1 Oct 2024US 12,102,944 B2BioAir Solutions, LLC
- Increased flow screen panel16 Apr 2026US 2026/0102720 A1
- Distributed filtration for liquid cooling29 Jan 2026US 2026/0027495 A1Mellanox Technologies, Ltd.
- Impregnated filter medium2 Oct 2025US 2025/0303328 A1Neenah Gessner GmbH
- Multilayered media with irregular structure and/or reversibly stretchable layers7 Aug 2025US 2025/0249384 A1Hollingsworth & Vose Company
- Filter Layer Structure, Filter Assembly, and Method of Forming a Filter Layer Structure12 Jun 2025US 2025/0186909 A1Qingdao Ecopure Filter Co., Ltd.
Most cited
By later US patents
- Filter element98US 7,137,510 B1Filterwerk Mann & Hummel GmbH · 2006
- Low force closure filter with integral seal76US 6,568,540 B1Nelson Industries, Inc. · 2003
- Fluid filter element55US 6,685,833 B2LPD Technologies, Inc. · 2004
- Filter cartridge for liquid filtration; assembly; and, methods42US 8,167,142 B2Donaldson Company, Inc. · 2012
- Filtration unit with pleated filtering elements33US 6,143,174 ASartorius AG · 2000