B01D 2239/0672
The layers being joined by welding
B01D2239/0672 (The layers being joined by welding) appears on 78 US grants and 95 published applications in this corpus.
Search patents in B01D- Granted patents
- 78
- Published applications
- 95
- Assignees
- 78
- Inventors
- 278
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 3 |
| 2016 | 2 | 3 |
| 2017 | 2 | 6 |
| 2018 | 5 | 1 |
| 2019 | 2 | 3 |
| 2020 | 2 | 1 |
| 2021 | 3 | 12 |
| 2022 | 2 | 13 |
| 2023 | 1 | 13 |
| 2024 | 2 | 4 |
| 2025 | 5 | 11 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Face mask31 Mar 2026US 12,588,721 B2
- Multilayered textile as/for durable and washable high-performance filtration media and method of assembling thereof6 Jan 2026US 12,515,084 B2Frett Solutions
- Debris filter for a nuclear fuel assembly bottom end part and method of manufacturing such a debris filter9 Sep 2025US 12,412,673 B2Framatome
- Filter media including out-of-plane solid elements, methods of forming them, and uses thereof1 Jul 2025US 12,343,666 B2Hollingsworth & Vose Company
- Filtration media20 May 2025US 12,303,814 B2Magnera Corporation
- Wire-wrapped screen3 Sep 2026US 2026/0257158 A1Msc Resources AB
- Shirred filter media and methods of making and using the same9 Jul 2026US 2026/0192220 A13M Innovative Properties Company
- Filter assemblies utilizing full cross-section21 May 2026US 2026/0138067 A1Atmus Filtration IP Inc.
- Filter media and liquid filters7 May 2026US 2026/0124565 A1DelStar Technologies, Inc.
- Filter media5 Mar 2026US 2026/0061355 A1Dyson Technology Limited
Most cited
By later US patents
- Deformable well screen320US 5,901,789 AShell Oil Company · 1999
- Deformable well screen218US 6,012,522 AShell Oil Company · 2000
- Water impervious materials160US 4,522,203 AChicopee · 1985
- Fibrous filtration face mask having corrugated polymeric microfiber filter layer86US 5,656,368 AMinnesota Mining and Manufacturing Company · 1997
- Nonwoven material of two or more layers, in particular with long-term filter properties and manufacture thereof85US 5,283,106 AHoechst Aktiengesellschaft · 1994