B01D 39/08
Filter cloth, i.e. woven, knitted or interlaced material
Official title: Filter cloth, i.e. woven, knitted or interlaced material (metallic B01D39/10)
B01D39/08 (Filter cloth, i.e. woven, knitted or interlaced material) appears on 782 US grants and 847 published applications in this corpus.
Search patents in B01D- Granted patents
- 782
- Published applications
- 847
- Assignees
- 569
- Inventors
- 2,089
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 11 | 0 |
| 1982 | 3 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 10 | 0 |
| 1993 | 18 | 0 |
| 1994 | 22 | 0 |
| 1995 | 31 | 0 |
| 1996 | 18 | 0 |
| 1997 | 32 | 0 |
| 1998 | 25 | 0 |
| 1999 | 27 | 0 |
| 2000 | 23 | 0 |
| 2001 | 10 | 3 |
| 2002 | 8 | 8 |
| 2003 | 4 | 11 |
| 2004 | 8 | 25 |
| 2005 | 10 | 3 |
| 2006 | 8 | 10 |
| 2007 | 2 | 14 |
| 2008 | 8 | 12 |
| 2009 | 2 | 7 |
| 2010 | 4 | 20 |
| 2011 | 10 | 14 |
| 2012 | 7 | 14 |
| 2013 | 13 | 13 |
| 2014 | 10 | 32 |
| 2015 | 14 | 32 |
| 2016 | 16 | 35 |
| 2017 | 19 | 34 |
| 2018 | 20 | 41 |
| 2019 | 30 | 36 |
| 2020 | 26 | 57 |
| 2021 | 44 | 106 |
| 2022 | 38 | 112 |
| 2023 | 28 | 87 |
| 2024 | 44 | 48 |
| 2025 | 52 | 39 |
| 2026 | 29 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for stormwater management6 Oct 2026US 12,753,093 B2Advanced Drainage Systems, Inc.
- High-performance fabric for water/diesel separating filters22 Sep 2026US 12,741,236 B2Saati S.P.A.
- Personal protective anti-viral face mask15 Sep 2026US 12,734,378 B2lowa State University Research Foundation, Inc.
- Oil and fuel collector25 Aug 2026US 12,714,951 B2Manvers Engineering Limited
- Biodegradable filters11 Aug 2026US 12,702,942 B2NxtNano, LLC
- Method for preparing a composite filter medium and the composite filter medium obtained with this method1 Oct 2026US 2026/0295484 A1Saati S.P.A.
- Filtering System for a Storm Water Catch Basin17 Sep 2026US 2026/0274709 A1Trash Guard Incorporated
- Vortical cross-flow filtration system10 Sep 2026US 2026/0263971 A1Cleanr Inc.
- In-situ regeneration of filter medium for improving catalytic efficiency10 Sep 2026US 2026/0264016 A1W. L. Gore & Associates, Inc.
- Permeate carrier with circular double knit fabric27 Aug 2026US 2026/0249217 A1Lear Corporation
Most cited
By later US patents
- Blood filter and method of filtration941US 5,190,657 ALydall, Inc. · 1993
- Deformable well screen320US 5,901,789 AShell Oil Company · 1999
- 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
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004