D06N 2211/30
Filters
D06N2211/30 (Filters) appears on 11 US grants and 11 published applications in this corpus.
Search patents in D06N- Granted patents
- 11
- Published applications
- 11
- Assignees
- 9
- Inventors
- 23
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 3 |
| 2020 | 0 | 1 |
| 2021 | 4 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Positively charged filter material with ability for removing charged particles efficiently, and method for producing same17 Mar 2026US 12,576,353 B2Toray Advanced Materials Korea Inc.
- Method of conserving irrigation water using a woven fabric substrate3 Oct 2023US 11,771,017 B2
- Textile protective material of a new type and method for producing same12 Oct 2021US 11,141,711 B2Blücher GmbH
- Filter element23 Mar 2021US 10,953,355 B2Clear Edge-Germany GmbH
- Electret and electret filter9 Mar 2021US 10,940,415 B2Toyobo Co., Ltd.
- Positively charged filter material with ability for removing charged particles efficiently, and method for producing same28 Sep 2023US 2023/0302386 A1Toray Advanced Materials Korea Inc.
- Anti-viral face mask and filter materials30 Dec 2021US 2021/0400979 A1
- Binder-consolidated textile fabrics and methods of their manufacture and use16 Jan 2020US 2020/0017732 A1Johns Manville
- Durable fiber webs29 Aug 2019US 2019/0263717 A1Hollingsworth & Vose Company
- Filter element14 Mar 2019US 2019/0076764 A1Clear Edge-Germany GmbH
Most cited
By later US patents
- System for manufacturing reinforced three-zone microporous membrane71US 6,413,070 B1Cuno Incorporated · 2002
- Process for making a three-zone microporous membrane40US 6,776,940 B2Cuno Incorporated · 2004
- Process for coating microporous substrates and products therefrom37US 5,460,872 AW. L. Gore & Associates, Inc. · 1995
- Coated textile materials7US 5,194,322 AScapa Group PLC · 1993
- Textile protective material of a new type and method for producing same1US 11,141,711 B2Blücher GmbH · 2021