B01D 2239/064
The fibres being mixed
B01D2239/064 (The fibres being mixed) appears on 308 US grants and 355 published applications in this corpus.
Search patents in B01D- Granted patents
- 308
- Published applications
- 355
- Assignees
- 210
- Inventors
- 774
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 12 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 15 | 0 |
| 1998 | 9 | 0 |
| 1999 | 18 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 1 |
| 2002 | 5 | 4 |
| 2003 | 1 | 9 |
| 2004 | 5 | 11 |
| 2005 | 6 | 5 |
| 2006 | 4 | 10 |
| 2007 | 5 | 14 |
| 2008 | 6 | 13 |
| 2009 | 7 | 19 |
| 2010 | 6 | 20 |
| 2011 | 12 | 15 |
| 2012 | 8 | 15 |
| 2013 | 13 | 12 |
| 2014 | 5 | 13 |
| 2015 | 5 | 19 |
| 2016 | 10 | 20 |
| 2017 | 9 | 12 |
| 2018 | 9 | 15 |
| 2019 | 18 | 14 |
| 2020 | 8 | 16 |
| 2021 | 12 | 15 |
| 2022 | 8 | 19 |
| 2023 | 6 | 22 |
| 2024 | 14 | 20 |
| 2025 | 8 | 12 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High efficiency synthetic filter media1 Sep 2026US 12,722,107 B2Knowlton Technologies, LLC
- Tubular knitted geotextiles implementing non-biomass based inert threads, methods of making the same, and erosion sediment and pollution control products made from the same23 Jun 2026US 12,662,792 B2Mkb Company
- High temperature treated media9 Jun 2026US 12,649,982 B2Donaldson Company, Inc.
- Antimicrobial filter media19 May 2026US 12,629,621 B2Purafil, Inc.
- Bacterial cellulose-based air filter mesh and use thereof14 Apr 2026US 12,599,857 B2Baoding Guangyu Fruit Processing Food Co., Ltd.
- Filter material, method for producing the filter material, and use of melt-blown polypropylene fibers8 Oct 2026US 2026/0306979 A1Carl Freudenberg KG
- Depth filter10 Sep 2026US 2026/0263976 A1Jnc Corporation
- Inorganic fiber sheet23 Jul 2026US 2026/0208083 A1Tomoegawa Co., Ltd.
- Pulse filter7 May 2026US 2026/0124566 A1
- Preparation Method for Antimicrobial Air Filtration Material23 Apr 2026US 2026/0108832 A1
Most cited
By later US patents
- Melt-blown fibrous web1,019US 5,582,907 APall Corporation · 1996
- Blood filter and method of filtration941US 5,190,657 ALydall, Inc. · 1993
- Web of blended microfibers and crimped bulking fibers445US 4,118,531 AMinnesota Mining and Manufacturing Company · 1978
- 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