B01D 2239/0668
The layers being joined by heat or melt-bonding
B01D2239/0668 (The layers being joined by heat or melt-bonding) appears on 247 US grants and 307 published applications in this corpus.
Search patents in B01D- Granted patents
- 247
- Published applications
- 307
- Assignees
- 192
- Inventors
- 737
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 3 | 2 |
| 2002 | 8 | 6 |
| 2003 | 2 | 5 |
| 2004 | 5 | 6 |
| 2005 | 2 | 2 |
| 2006 | 3 | 6 |
| 2007 | 1 | 10 |
| 2008 | 2 | 10 |
| 2009 | 3 | 11 |
| 2010 | 3 | 12 |
| 2011 | 11 | 15 |
| 2012 | 11 | 4 |
| 2013 | 5 | 7 |
| 2014 | 4 | 11 |
| 2015 | 9 | 2 |
| 2016 | 1 | 5 |
| 2017 | 4 | 7 |
| 2018 | 3 | 8 |
| 2019 | 7 | 10 |
| 2020 | 7 | 19 |
| 2021 | 8 | 40 |
| 2022 | 12 | 32 |
| 2023 | 5 | 34 |
| 2024 | 14 | 12 |
| 2025 | 17 | 15 |
| 2026 | 16 | 16 |
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
- Composite filter body16 Jun 2026US 12,654,116 B2
- Methods, apparatuses, and systems for providing personal protective equipment2 Jun 2026US 12,642,315 B2Honeywell Safety Products USA, Inc.
- Polymeric fabric19 May 2026US 12,629,920 B2Sefar AG
- Ventilating and filtrating face mask5 May 2026US 12,616,857 B2NIKE, Inc.
- Depth filter10 Sep 2026US 2026/0263976 A1Jnc Corporation
- Depth filter10 Sep 2026US 2026/0263977 A1Jnc Corporation
- Filter medium, method of producing filter medium, and filter element13 Aug 2026US 2026/0233137 A1Mann+Hummel GmbH
- Solids separation screen with patterned encapsulation30 Jul 2026US 2026/0216750 A1Schlumberger Technology Corporation
- Shirred filter media and methods of making and using the same9 Jul 2026US 2026/0192220 A13M Innovative Properties Company
Most cited
By later US patents
- Deformable well screen320US 5,901,789 AShell Oil Company · 1999
- Bicomponent fibers and webs made therefrom302US 4,795,668 AMinnesota Mining and Manufacturing Company · 1989
- Deformable well screen218US 6,012,522 AShell Oil Company · 2000
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- Water impervious materials160US 4,522,203 AChicopee · 1985