B01D 2239/025
Comprising nanofibres
Official title: comprising nanofibres
B01D2239/025 (Comprising nanofibres) appears on 316 US grants and 624 published applications in this corpus.
Search patents in B01D- Granted patents
- 316
- Published applications
- 624
- Assignees
- 276
- Inventors
- 1,193
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 6 |
| 2005 | 3 | 3 |
| 2006 | 4 | 6 |
| 2007 | 4 | 14 |
| 2008 | 3 | 19 |
| 2009 | 2 | 18 |
| 2010 | 2 | 26 |
| 2011 | 8 | 28 |
| 2012 | 14 | 19 |
| 2013 | 14 | 25 |
| 2014 | 15 | 22 |
| 2015 | 17 | 27 |
| 2016 | 13 | 36 |
| 2017 | 10 | 26 |
| 2018 | 15 | 31 |
| 2019 | 22 | 36 |
| 2020 | 29 | 35 |
| 2021 | 24 | 40 |
| 2022 | 17 | 45 |
| 2023 | 20 | 71 |
| 2024 | 25 | 34 |
| 2025 | 31 | 34 |
| 2026 | 18 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two stage filter cartridge with an expandable frame facilitating replacement of the filter media1 Sep 2026US 12,722,105 B2Nanodocks Technology Limited
- Honeycomb structure and method for manufacturing same18 Aug 2026US 12,709,829 B2Tohoku University
- Biodegradable filters11 Aug 2026US 12,702,942 B2NxtNano, LLC
- Multifunctional filter materials30 Jun 2026US 12,667,143 B2Khalifa University of Science and Technology
- Biodegradable composite filter media for air filters and manufacturing method thereof16 Jun 2026US 12,654,118 B2Nam Yang Non-Woven Fabric Co., Ltd.
- Multifunctional filter materials8 Oct 2026US 2026/0305741 A1Khalifa University of Science and Technology
- Method for preparing a composite filter medium and the composite filter medium obtained with this method1 Oct 2026US 2026/0295484 A1Saati S.P.A.
- Lithium capture device2 Jul 2026US 2026/0185187 A1Energy Exploration Technologies, Inc.
- Indoor field intelligent cleaning system25 Jun 2026US 2026/0177263 A1Microjet Technology Co., Ltd.
- Filter assemblies utilizing full cross-section21 May 2026US 2026/0138067 A1Atmus Filtration IP Inc.
Most cited
By later US patents
- Web of blended microfibers and crimped bulking fibers445US 4,118,531 AMinnesota Mining and Manufacturing Company · 1978
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004
- Nanofiber filter media194US 6,872,311 B2Koslow Technologies Corporation · 2005
- Process if making fine fiber material131US 6,955,775 B2Donaldson Company, Inc. · 2005
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures120US 6,924,028 B2Donaldson Company, Inc. · 2005