B01D 2239/0681
The layers being joined by gluing
B01D2239/0681 (The layers being joined by gluing) appears on 217 US grants and 270 published applications in this corpus.
Search patents in B01D- Granted patents
- 217
- Published applications
- 270
- Assignees
- 167
- Inventors
- 703
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 6 |
| 2005 | 1 | 2 |
| 2006 | 4 | 5 |
| 2007 | 0 | 7 |
| 2008 | 1 | 6 |
| 2009 | 3 | 8 |
| 2010 | 0 | 10 |
| 2011 | 7 | 10 |
| 2012 | 5 | 5 |
| 2013 | 6 | 4 |
| 2014 | 3 | 5 |
| 2015 | 5 | 5 |
| 2016 | 2 | 12 |
| 2017 | 2 | 6 |
| 2018 | 2 | 12 |
| 2019 | 8 | 7 |
| 2020 | 13 | 16 |
| 2021 | 8 | 38 |
| 2022 | 11 | 27 |
| 2023 | 3 | 37 |
| 2024 | 13 | 14 |
| 2025 | 13 | 13 |
| 2026 | 12 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-microbial filter18 Aug 2026US 12,708,690 B2Acell Industries Limited
- Biodegradable filters11 Aug 2026US 12,702,942 B2NxtNano, LLC
- Methods, apparatuses, and systems for providing personal protective equipment2 Jun 2026US 12,642,315 B2Honeywell Safety Products USA, Inc.
- Ostomy bag filter26 May 2026US 12,636,180 B2Donaldson Company, Inc.
- Ventilating and filtrating face mask5 May 2026US 12,616,857 B2NIKE, Inc.
- Filter medium, method of producing filter medium, and filter element13 Aug 2026US 2026/0233137 A1Mann+Hummel GmbH
- Shirred filter media and methods of making and using the same9 Jul 2026US 2026/0192220 A13M Innovative Properties Company
- Filter medium, filter pack, and filter unit9 Jul 2026US 2026/0192231 A1Daikin Industries, Ltd.
- Filter containing pharmaceutical salt for a face mask, breathable face mask containing the filter, and method of manufacturing18 Jun 2026US 2026/0166349 A1
- Filter assemblies utilizing full cross-section21 May 2026US 2026/0138067 A1Atmus Filtration IP Inc.
Most cited
By later US patents
- Melt-blown fibrous web1,019US 5,582,907 APall Corporation · 1996
- Bicomponent fibers and webs made therefrom302US 4,795,668 AMinnesota Mining and Manufacturing Company · 1989
- Bicomponent fibers and webs made therefrom129US 4,547,420 AMinnesota Mining and Manufacturing Company · 1985
- Methods of forming fibrous filtration face masks126US 5,307,796 AMinnesota Mining and Manufacturing Company · 1994
- Filter sheet material for passenger cabins in motor vehicles112US 5,350,443 A1994