B01D 2239/0618
Non-woven
B01D2239/0618 (Non-woven) appears on 348 US grants and 619 published applications in this corpus.
Search patents in B01D- Granted patents
- 348
- Published applications
- 619
- Assignees
- 301
- Inventors
- 1,331
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 5 |
| 2003 | 3 | 5 |
| 2004 | 7 | 10 |
| 2005 | 2 | 6 |
| 2006 | 6 | 6 |
| 2007 | 3 | 8 |
| 2008 | 3 | 4 |
| 2009 | 4 | 11 |
| 2010 | 2 | 8 |
| 2011 | 5 | 14 |
| 2012 | 8 | 10 |
| 2013 | 11 | 9 |
| 2014 | 8 | 9 |
| 2015 | 4 | 4 |
| 2016 | 6 | 10 |
| 2017 | 3 | 19 |
| 2018 | 4 | 27 |
| 2019 | 13 | 36 |
| 2020 | 11 | 50 |
| 2021 | 27 | 81 |
| 2022 | 31 | 74 |
| 2023 | 21 | 88 |
| 2024 | 31 | 47 |
| 2025 | 35 | 48 |
| 2026 | 32 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Personal protective anti-viral face mask15 Sep 2026US 12,734,378 B2lowa State University Research Foundation, Inc.
- Preparation method of bismuth ion filter membrane and application thereof15 Sep 2026US 12,734,470 B2Work Together Marketing Consultant Limited
- High efficiency synthetic filter media1 Sep 2026US 12,722,107 B2Knowlton Technologies, LLC
- Oil and fuel collector25 Aug 2026US 12,714,951 B2Manvers Engineering Limited
- Filtration unit and a method for biomaterial purification18 Aug 2026US 12,709,631 B2Life Technologies Corporation
- Sanitary mask sheet17 Sep 2026US 2026/0272077 A1Kao Corporation
- Methods of reducing the enzymatic hydrolysis activity rate in a composition obtained from a purification platform17 Sep 2026US 2026/0274889 A1Genentech, Inc.
- Vortical cross-flow filtration system10 Sep 2026US 2026/0263971 A1Cleanr Inc.
- Depth filter10 Sep 2026US 2026/0263976 A1Jnc Corporation
- Depth filter10 Sep 2026US 2026/0263977 A1Jnc Corporation
Most cited
By later US patents
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- Process if making fine fiber material131US 6,955,775 B2Donaldson Company, Inc. · 2005
- Antimicrobial filter cartridge129US 5,868,933 A1999