B01D 27/105
Bidirectional working filters
Official title: {Bidirectional working filters}
B01D27/105 (Bidirectional working filters) appears on 4 US grants and 4 published applications in this corpus.
Search patents in B01D- Granted patents
- 4
- Published applications
- 4
- Assignees
- 4
- Inventors
- 12
- Latest grant
- 17 Jun 2025
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| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
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| 2005 | 1 | 0 |
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| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
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| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Filter device17 Jun 2025US 12,330,091 B2Bluewater Sweden AB
- Filter base system and filter assembly20 Sep 2016US 9,446,334 B2Caterpillar Inc.
- Dual direction bypass valve5 Apr 2005US 6,875,343 B2SPX Corporation
- Filter element including a baffle plate and end cap adhesively bonded thereto12 Feb 2002US 6,345,721 B1Donaldson Company, Inc.
- Filter device29 Sep 2022US 2022/0305410 A1Bluewater Sweden AB
- Multistage shower water filter and water filtering method6 Aug 2020US 2020/0247700 A1
- Filter base system and filter assembly30 Jul 2015US 2015/0209705 A1Caterpillar Inc.
- Dual direction bypass valve16 Jan 2003US 2003/0010725 A1SPX Corporation
Most cited
By later US patents