B01D 29/07
With corrugated, folded or wound filtering sheets
Official title: with corrugated, folded or wound filtering sheets
B01D29/07 (With corrugated, folded or wound filtering sheets) appears on 309 US grants and 224 published applications in this corpus.
Search patents in B01D- Granted patents
- 309
- Published applications
- 224
- Assignees
- 161
- Inventors
- 584
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 5 |
| 2002 | 12 | 13 |
| 2003 | 10 | 11 |
| 2004 | 6 | 12 |
| 2005 | 7 | 10 |
| 2006 | 4 | 4 |
| 2007 | 5 | 7 |
| 2008 | 5 | 8 |
| 2009 | 2 | 4 |
| 2010 | 0 | 3 |
| 2011 | 6 | 4 |
| 2012 | 5 | 12 |
| 2013 | 5 | 7 |
| 2014 | 7 | 10 |
| 2015 | 6 | 14 |
| 2016 | 7 | 9 |
| 2017 | 7 | 11 |
| 2018 | 9 | 14 |
| 2019 | 9 | 12 |
| 2020 | 14 | 13 |
| 2021 | 4 | 8 |
| 2022 | 8 | 8 |
| 2023 | 5 | 5 |
| 2024 | 7 | 6 |
| 2025 | 4 | 7 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Point of use or point of dispense filter with multiple pleat packs15 Sep 2026US 12,734,488 B2Entegris, Inc.
- Reactive adhesives for filtration applications28 Jul 2026US 12,691,398 B2Zephyros, Inc.
- Filter device for filtering a fluid5 Aug 2025US 12,377,370 B2Mahle International GmbH
- Pleated fluid filter element and methods3 Jun 2025US 12,318,713 B2Donaldson Company, Inc.
- Single serve pod system, single serve pod assembly system, pod dispenser system, pod apparatus, filter apparatus, process of assembly, and methods of use8 Apr 2025US 12,268,323 B2Savepods Inc.
- Washing machine and filter device for washing machine30 Jul 2026US 2026/0218435 A1LG Electronics Inc.
- Variable height, offset, angled & bridged embossment16 Jul 2026US 2026/0199811 A1Baldwin Filters, Inc.
- Filter assemblies utilizing full cross-section21 May 2026US 2026/0138067 A1Atmus Filtration IP Inc.
- Underground Stormwater Management System21 May 2026US 2026/0139467 A1
- Fluid filter module14 May 2026US 2026/0131264 A1Mahle International GmbH
Most cited
By later US patents
- Fluid filter element and support148US 4,498,989 ANippondenso Co., Ltd. · 1985
- Storm drain filter system143US 5,405,539 A1995
- Blood filter with concentric pleats and method of use111US 5,651,765 AAvecor Cardiovascular, Inc. · 1997
- Filter element for filtering fluid and method of producing same108US 4,430,223 ANippondenso Co., Ltd. · 1984
- Corrugated filter arrangement with support layer and flow channels107US 5,084,178 APall Corporation · 1992