B01D 2239/0216
Bicomponent or multicomponent fibres
B01D2239/0216 (Bicomponent or multicomponent fibres) appears on 283 US grants and 427 published applications in this corpus.
Search patents in B01D- Granted patents
- 283
- Published applications
- 427
- Assignees
- 204
- Inventors
- 898
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 16 | 0 |
| 2000 | 9 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 5 |
| 2003 | 3 | 5 |
| 2004 | 3 | 6 |
| 2005 | 2 | 3 |
| 2006 | 3 | 7 |
| 2007 | 0 | 12 |
| 2008 | 3 | 16 |
| 2009 | 5 | 17 |
| 2010 | 5 | 25 |
| 2011 | 16 | 12 |
| 2012 | 18 | 14 |
| 2013 | 9 | 11 |
| 2014 | 7 | 9 |
| 2015 | 5 | 11 |
| 2016 | 4 | 6 |
| 2017 | 7 | 13 |
| 2018 | 5 | 10 |
| 2019 | 8 | 13 |
| 2020 | 8 | 27 |
| 2021 | 12 | 43 |
| 2022 | 8 | 42 |
| 2023 | 11 | 51 |
| 2024 | 14 | 25 |
| 2025 | 25 | 22 |
| 2026 | 16 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable filters11 Aug 2026US 12,702,942 B2NxtNano, 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
- Biodegradable composite filter media for air filters and manufacturing method thereof16 Jun 2026US 12,654,118 B2Nam Yang Non-Woven Fabric Co., Ltd.
- High temperature treated media9 Jun 2026US 12,649,982 B2Donaldson Company, Inc.
- Methods, apparatuses, and systems for providing personal protective equipment2 Jun 2026US 12,642,315 B2Honeywell Safety Products USA, Inc.
- Permeate carrier with circular double knit fabric27 Aug 2026US 2026/0249217 A1Lear Corporation
- Device for aquatic microplastics removal20 Aug 2026US 2026/0242250 A1PolyGone Systems, Inc.
- Filter medium, method of producing filter medium, and filter element13 Aug 2026US 2026/0233137 A1Mann+Hummel GmbH
- Extruded netting23 Jul 2026US 2026/0208082 A1DelStar Technologies, Inc.
- Three-dimensional network of metal fibers and production method18 Jun 2026US 2026/0166623 A1batene GmbH
Most cited
By later US patents
- Bicomponent fibers and webs made therefrom302US 4,795,668 AMinnesota Mining and Manufacturing Company · 1989
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Strong nonwoven fabrics from engineered multiconstituent fibers282US 5,108,827 AFiberweb North America, Inc. · 1992
- Method of manufacturing an electret filter230US 4,592,815 AJapan Vilene Company, Ltd. · 1986
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996