B01D 2239/0627
Spun-bonded
B01D2239/0627 (Spun-bonded) appears on 260 US grants and 398 published applications in this corpus.
Search patents in B01D- Granted patents
- 260
- Published applications
- 398
- Assignees
- 180
- Inventors
- 887
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 1 | 0 |
| 1997 | 14 | 0 |
| 1998 | 17 | 0 |
| 1999 | 12 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 2 |
| 2002 | 5 | 2 |
| 2003 | 1 | 3 |
| 2004 | 4 | 10 |
| 2005 | 4 | 1 |
| 2006 | 5 | 2 |
| 2007 | 2 | 10 |
| 2008 | 3 | 3 |
| 2009 | 0 | 2 |
| 2010 | 2 | 12 |
| 2011 | 5 | 9 |
| 2012 | 6 | 5 |
| 2013 | 5 | 9 |
| 2014 | 2 | 8 |
| 2015 | 5 | 7 |
| 2016 | 2 | 8 |
| 2017 | 5 | 13 |
| 2018 | 2 | 4 |
| 2019 | 9 | 8 |
| 2020 | 5 | 23 |
| 2021 | 7 | 52 |
| 2022 | 13 | 57 |
| 2023 | 9 | 68 |
| 2024 | 19 | 30 |
| 2025 | 34 | 23 |
| 2026 | 20 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oil and fuel collector25 Aug 2026US 12,714,951 B2Manvers Engineering Limited
- Melt-blown nonwoven fabric, method of producing the same, layered body, filter for face mask, and face mask25 Aug 2026US 12,716,153 B2Kaneka Corporation
- Biodegradable filters11 Aug 2026US 12,702,942 B2NxtNano, LLC
- Zigzag-folded nonwoven material16 Jun 2026US 12,654,122 B2Irema-Filter GmbH
- Non-passive anti-viral and nanofilter based respirators2 Jun 2026US 12,643,063 B1University of Louisville Research Foundation, Inc.
- Coated nonwoven article derived from porous polymeric fibers and methods thereof13 Aug 2026US 2026/0234865 A13M Innovative Properties Company
- Shirred filter media and methods of making and using the same9 Jul 2026US 2026/0192220 A13M Innovative Properties Company
- Filter containing pharmaceutical salt for a face mask, breathable face mask containing the filter, and method of manufacturing18 Jun 2026US 2026/0166349 A1
- Membrane backers and membranes for liquid filters11 Jun 2026US 2026/0158452 A1
- Spun-bonded nonwoven fabric, filter medium, air filter, and apparatus for producing filter medium4 Jun 2026US 2026/0152885 A1Toray Industries, Inc.
Most cited
By later US patents
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004
- Method of manufacturing an electret filter230US 4,592,815 AJapan Vilene Company, Ltd. · 1986
- Post-treatment of nonwoven webs153US 5,244,482 AThe University of Tennessee Research Corporation · 1993
- Process if making fine fiber material131US 6,955,775 B2Donaldson Company, Inc. · 2005
- Nonwoven filter material130US 4,917,942 AMinnesota Mining and Manufacturing Company · 1990