B01D 39/163
Sintered or bonded
Official title: {sintered or bonded}
B01D39/163 (Sintered or bonded) appears on 596 US grants and 750 published applications in this corpus.
Search patents in B01D- Granted patents
- 596
- Published applications
- 750
- Assignees
- 340
- Inventors
- 1,574
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 7 | 0 |
| 1997 | 16 | 0 |
| 1998 | 20 | 0 |
| 1999 | 23 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 5 |
| 2002 | 19 | 19 |
| 2003 | 12 | 21 |
| 2004 | 15 | 17 |
| 2005 | 10 | 14 |
| 2006 | 11 | 22 |
| 2007 | 4 | 21 |
| 2008 | 8 | 26 |
| 2009 | 6 | 19 |
| 2010 | 7 | 36 |
| 2011 | 23 | 20 |
| 2012 | 23 | 26 |
| 2013 | 21 | 30 |
| 2014 | 16 | 27 |
| 2015 | 12 | 21 |
| 2016 | 11 | 39 |
| 2017 | 16 | 28 |
| 2018 | 10 | 28 |
| 2019 | 30 | 34 |
| 2020 | 18 | 39 |
| 2021 | 19 | 57 |
| 2022 | 20 | 49 |
| 2023 | 19 | 72 |
| 2024 | 28 | 29 |
| 2025 | 30 | 31 |
| 2026 | 24 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flue gas filtration media8 Sep 2026US 12,728,374 B2Ahlstrom Oyj
- High efficiency synthetic filter media1 Sep 2026US 12,722,107 B2Knowlton Technologies, LLC
- 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
- System for continuous oil/water separation using superhydrophilic oil/water separation filter14 Jul 2026US 12,678,713 B2Postech Research and Business Development Foundation
- Depth filter10 Sep 2026US 2026/0263976 A1Jnc Corporation
- Depth filter10 Sep 2026US 2026/0263977 A1Jnc Corporation
- Filter media for filtration devices and methods of making and using the same3 Sep 2026US 2026/0257160 A13M Innovative Properties Company
- Filtration media and filters27 Aug 2026US 2026/0249218 A1DelStar Technologies, Inc.
- Filter medium, method of producing filter medium, and filter element13 Aug 2026US 2026/0233137 A1Mann+Hummel GmbH
Most cited
By later US patents
- Blood filter and method of filtration941US 5,190,657 ALydall, Inc. · 1993
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004
- Molded fibrous filtration products221US 4,536,440 AMinnesota Mining and Manufacturing Company · 1985
- Method and apparatus for the electrostatic charging of a web or film195US 5,401,446 AThe University of Tennessee Research Corporation · 1995
- Resilient shape-retaining fibrous filtration face mask182US 4,807,619 AMinnesota Mining and Manufacturing Company · 1989