B01D 39/2041
The material being filamentary or fibrous
Official title: {the material being filamentary or fibrous}
B01D39/2041 (The material being filamentary or fibrous) appears on 212 US grants and 236 published applications in this corpus.
Search patents in B01D- Granted patents
- 212
- Published applications
- 236
- Assignees
- 181
- Inventors
- 602
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 14 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 5 |
| 2002 | 3 | 5 |
| 2003 | 4 | 8 |
| 2004 | 3 | 11 |
| 2005 | 5 | 9 |
| 2006 | 3 | 6 |
| 2007 | 2 | 9 |
| 2008 | 1 | 13 |
| 2009 | 4 | 7 |
| 2010 | 4 | 9 |
| 2011 | 6 | 9 |
| 2012 | 7 | 6 |
| 2013 | 7 | 7 |
| 2014 | 5 | 7 |
| 2015 | 4 | 4 |
| 2016 | 4 | 3 |
| 2017 | 2 | 7 |
| 2018 | 3 | 7 |
| 2019 | 4 | 8 |
| 2020 | 2 | 4 |
| 2021 | 4 | 17 |
| 2022 | 7 | 25 |
| 2023 | 10 | 26 |
| 2024 | 14 | 10 |
| 2025 | 11 | 9 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for manufacturing a metallic functional part delimiting a porous filtering medium, using an additive manufacturing method, and obtained functional part25 Aug 2026US 12,714,960 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Anti-microbial filter18 Aug 2026US 12,708,690 B2Acell Industries Limited
- Device for removing fats, oils and/or grease (FOGs) from water26 May 2026US 12,637,367 B2Buttress Group Ltd
- Antimicrobial filter media19 May 2026US 12,629,621 B2Purafil, Inc.
- Process for the removal of particulate matter from an aqueous stream14 Apr 2026US 12,599,858 B2Topsoe A/S
- Winding, method for manufacturing winding, welding electrode, and manufacturing device10 Sep 2026US 2026/0263978 A1Fuji Filter Manufacturing Co., Ltd.
- Powder spraying system, powder spraying nozzle and method16 Jul 2026US 2026/0199934 A1Johnson Matthey Public Limited Company
- Three-dimensional network of metal fibers and production method18 Jun 2026US 2026/0166623 A1batene GmbH
- Metal fiber filter, filter unit, and vaporizer21 May 2026US 2026/0138059 A1Nippon Seisen Co., Ltd.
- Integrated catalytic reactor, and exhaust gas integrated treatment system including the same19 Mar 2026US 2026/0077311 A1CTP KOREA Co., Ltd
Most cited
By later US patents
- Particulate trap for diesel engine114US 5,908,480 ASumitomo Electric Industries, Ltd. · 1999
- Sintered composite medium and filter88US 4,687,579 AThe United States of America as represented by the United States Department of Energy · 1987
- Needled fiber mat containing granular agent81US 4,250,172 A1981
- Exhaust gas cleaning catalyst and process for production thereof81US 4,749,671 ANippon Shokubai Kagaku Kogyo Co., Ltd. · 1988
- Conical coalescing filter and assembly73US 5,454,945 APorous Media Corporation · 1995