B01D 29/353
With corrugated, folded filtering elements
Official title: {with corrugated, folded filtering elements}
B01D29/353 (With corrugated, folded filtering elements) appears on 12 US grants and 15 published applications in this corpus.
Search patents in B01D- Granted patents
- 12
- Published applications
- 15
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Filter element and manufacture method thereof141US 5,049,326 ANippondenso Co., Ltd. · 1991
- Filter element and manufacture method thereof95US 5,002,666 ANippondenso Co., Ltd. · 1991
- High surface area filter cartridge70US 4,842,739 AMinnesota Mining and Manufacturing Company · 1989
- Porous filter43US 7,125,490 B2Porex Corporation · 2006
- High capacity filter28US 5,785,851 AVesuvius Crucible Company · 1998