B01D 39/2065
The material being fibrous
Official title: {the material being fibrous}
B01D39/2065 (The material being fibrous) appears on 137 US grants and 172 published applications in this corpus.
Search patents in B01D- Granted patents
- 137
- Published applications
- 172
- Assignees
- 146
- Inventors
- 492
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 6 |
| 2003 | 4 | 8 |
| 2004 | 3 | 7 |
| 2005 | 2 | 4 |
| 2006 | 0 | 6 |
| 2007 | 4 | 10 |
| 2008 | 2 | 5 |
| 2009 | 6 | 10 |
| 2010 | 7 | 9 |
| 2011 | 3 | 7 |
| 2012 | 5 | 5 |
| 2013 | 5 | 4 |
| 2014 | 4 | 4 |
| 2015 | 3 | 4 |
| 2016 | 4 | 7 |
| 2017 | 2 | 3 |
| 2018 | 0 | 6 |
| 2019 | 1 | 5 |
| 2020 | 7 | 5 |
| 2021 | 5 | 15 |
| 2022 | 2 | 12 |
| 2023 | 7 | 15 |
| 2024 | 6 | 6 |
| 2025 | 10 | 5 |
| 2026 | 5 | 4 |
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
- Anti-microbial filter18 Aug 2026US 12,708,690 B2Acell Industries Limited
- Shower filter element14 Apr 2026US 12,599,859 B1
- Method of making a cartridge filter7 Apr 2026US 12,594,527 B2A. O. Smith Corporation
- Anti-propylene mask and method for preparation thereof10 Mar 2026US 12,569,705 B2Nantong Textile & Silk Ind Tech Res Inst
- Apparatus and method for solid-liquid separation13 Aug 2026US 2026/0233134 A1Betolar Oyj
- Filter6 Aug 2026US 2026/0225013 A1Seiko Epson Corporation
- Filters with mechanical and electrostatic filtering capabilities2 Apr 2026US 2026/0091333 A1DelStar Technologies, Inc.
- Filtration devices and methods thereof29 Jan 2026US 2026/0027499 A1Ojai Energetics PBC
- Universal bubble facial cleaning instrument with purification apparatus23 Oct 2025US 2025/0325154 A1Shenzhen Tri-Core Technology Development Co., Ltd
Most cited
By later US patents
- Fibrillated fibers and articles made therefrom100US 5,180,630 AAmerican Cyanamid Company · 1993
- Nanofiber packed beds having enhanced fluid flow characteristics88US 5,800,706 AHyperion Catalysis International, Inc. · 1998
- Fuel vapor adsorption type air cleaner element for internal combustion engine81US 4,259,096 ANippondenso Co., Ltd. · 1981
- Solid-liquid separating filter medium for sewage, waste water, etc81US 5,942,113 A1999
- Electrically conducting filter media for fluids79US 3,933,643 AThe Carborundum Company · 1976