B01D 2271/025
Making of sealings
B01D2271/025 (Making of sealings) appears on 84 US grants and 94 published applications in this corpus.
Search patents in B01D- Granted patents
- 84
- Published applications
- 94
- Assignees
- 36
- Inventors
- 204
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 7 |
| 2010 | 2 | 2 |
| 2011 | 5 | 2 |
| 2012 | 6 | 8 |
| 2013 | 6 | 4 |
| 2014 | 3 | 5 |
| 2015 | 2 | 10 |
| 2016 | 3 | 1 |
| 2017 | 3 | 2 |
| 2018 | 3 | 6 |
| 2019 | 7 | 6 |
| 2020 | 6 | 5 |
| 2021 | 5 | 2 |
| 2022 | 5 | 7 |
| 2023 | 6 | 4 |
| 2024 | 4 | 4 |
| 2025 | 3 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air filter mounting plate24 Feb 2026US 12,558,640 B2Camfil Aktiebolag
- Filter, use of filter element in filter, filter element, and motor vehicle28 Oct 2025US 12,453,936 B2Mann+Hummel GmbH
- Filter elements and methods of manufacturing filter elements24 Jun 2025US 12,337,270 B2Donaldson Company, Inc.
- Filter element and method of manufacturing a filter element27 May 2025US 12,311,301 B2Donaldson Company, Inc.
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods19 Nov 2024US 12,145,093 B2Donaldson Company, Inc.
- Filter, use of filter element in filter, filter element, and motor vehicle19 Mar 2026US 2026/0077286 A1Mann+Hummel GmbH
- Filter module, a use of a gasket in a filter, and a method of manufacturing a gasket for a filter module12 Feb 2026US 2026/0042045 A1MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
- Filter element and method of manufacturing a filter element30 Oct 2025US 2025/0332532 A1Donaldson Company, Inc.
- Filter elements and assemblies26 Jun 2025US 2025/0205624 A1Donaldson Company, Inc.
- Mat material, exhaust gas purification device, and method for producing mat material29 May 2025US 2025/0172085 A1Ibiden Co., Ltd.
Most cited
By later US patents
- Air filter arrangement; assembly; and, methods174US 8,034,145 B2Donaldson Company, Inc. · 2011
- Air filter arrangement; assembly; and methods155US 8,277,532 B2Donaldson Company, Inc. · 2012
- Air cleaner; air filter cartridge and method of manufacturing117US 7,524,349 B2Donaldson Company, Inc. · 2009
- Air filter arrangement; assembly; and, methods91US 8,906,128 B2Donaldson Company, Inc. · 2014
- Air filter arrangement; assembly; and, methods73US 9,120,047 B2Donaldson Company, Inc. · 2015