B01D 46/645
Protecting screens at filter inlet or outlet
Official title: {Protecting screens at filter inlet or outlet}
B01D46/645 (Protecting screens at filter inlet or outlet) appears on 78 US grants and 109 published applications in this corpus.
Search patents in B01D- Granted patents
- 78
- Published applications
- 109
- Assignees
- 64
- Inventors
- 211
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 6 |
| 2016 | 1 | 4 |
| 2017 | 4 | 6 |
| 2018 | 5 | 7 |
| 2019 | 5 | 15 |
| 2020 | 5 | 16 |
| 2021 | 10 | 12 |
| 2022 | 13 | 10 |
| 2023 | 12 | 9 |
| 2024 | 10 | 7 |
| 2025 | 5 | 7 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter unit29 Sep 2026US 12,746,493 B2Samsung Biologics Co., Ltd.
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- Filter module17 Mar 2026US 12,581,899 B2Entegris, Inc.
- Interlocked stable filter assembly17 Feb 2026US 12,551,830 B2Atmus Filtration IP Inc.
- Nanoporous metal foam gas and fluid filters13 Jan 2026US 12,521,659 B2Georgetown University
- Air Purifier27 Aug 2026US 2026/0251347 A1Shenzhen Chenbei Technology Co., Ltd.
- Filter elements, related filter assembly and filter package13 Aug 2026US 2026/0233144 A1Donaldson Company, Inc.
- Filter element for filtering a gaseous fluid6 Aug 2026US 2026/0225022 A1Mann+Hummel GmbH
- Filter module25 Jun 2026US 2026/0182299 A1Entegris, Inc.
- An outdoor enclosure for electrical equipment and a method thereof4 Jun 2026US 2026/0156759 A1Vertiv Energy Private Limited
Most cited
By later US patents
- Assembly, kit and method for securing a covering to an air intake face11US 10,040,149 B2The Newway Company, Inc. · 2018
- Filter unit for a switchgear cabinet10US 9,237,674 B2Rittal GmbH & Co.KG · 2016
- Aroma-dispensing HVAC filter9US 10,143,953 B12018
- Coffee roaster filter, chaff collector and smoke reducer8US 6,065,226 A2000
- Backing net structure7US 10,071,331 B2Camfil AB · 2018