B01D 39/2024
Otherwise bonded
Official title: {otherwise bonded, e.g. by resins}
B01D39/2024 (Otherwise bonded) appears on 161 US grants and 188 published applications in this corpus.
Search patents in B01D- Granted patents
- 161
- Published applications
- 188
- Assignees
- 82
- Inventors
- 393
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 5 |
| 2004 | 2 | 2 |
| 2005 | 4 | 2 |
| 2006 | 0 | 7 |
| 2007 | 4 | 6 |
| 2008 | 2 | 4 |
| 2009 | 2 | 7 |
| 2010 | 1 | 6 |
| 2011 | 8 | 7 |
| 2012 | 5 | 8 |
| 2013 | 3 | 5 |
| 2014 | 3 | 8 |
| 2015 | 6 | 5 |
| 2016 | 2 | 11 |
| 2017 | 5 | 4 |
| 2018 | 3 | 11 |
| 2019 | 5 | 8 |
| 2020 | 7 | 8 |
| 2021 | 5 | 12 |
| 2022 | 8 | 14 |
| 2023 | 4 | 21 |
| 2024 | 9 | 9 |
| 2025 | 7 | 9 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High efficiency synthetic filter media1 Sep 2026US 12,722,107 B2Knowlton Technologies, LLC
- Filter material for air filter and method for producing filter material14 Jul 2026US 12,678,724 B2Hokuetsu Corporation
- Coalescer filter media7 Jul 2026US 12,673,282 B2Hollingsworth & Vose Company
- Filter media, composites, and face mask systems using same26 May 2026US 12,636,524 B2Donaldson Company, Inc.
- Fiberglass filter element containing zinc oxide-based composite nanoparticles and method for producing the same14 Apr 2026US 12,600,661 B2Chongqing Institute of East China Normal University
- Inorganic fiber sheet23 Jul 2026US 2026/0208083 A1Tomoegawa Co., Ltd.
- Filter Sheet Media and Method for Manufacturing a Filter Sheet Media9 Jul 2026US 2026/0192222 A1Ahlstrom Oyj
- Fluorocarbon-free filtration media9 Jul 2026US 2026/0192223 A1Unifrax I LLC
- Filter material for air filter, and method for manufacturing same25 Jun 2026US 2026/0175152 A1Hokuetsu Corporation
- Dual-layer gas filters and systems and methods for making the same9 Apr 2026US 2026/0097341 A1DelStar Technologies, Inc.
Most cited
By later US patents
- Filter medium and structure212US 7,314,497 B2Donaldson Company, Inc. · 2008
- Polymeric fiber and glass fiber composite filter media175US 5,785,725 AJohns Manville International, Inc. · 1998
- Filter medium and structure152US 7,309,372 B2Donaldson Company, Inc. · 2007
- Dust filter bag including a highly porous backing material ply149US 6,706,086 B2FiberMark Gressner GmbH & Co. KG · 2004
- Filtration structures of wet laid, bicomponent fiber148US 5,580,459 AHoechst Celanese Corporation · 1996