A62B 23/025
The filter having substantially the shape of a mask
Official title: {the filter having substantially the shape of a mask (surgical face masks A41D13/11)}
A62B23/025 (The filter having substantially the shape of a mask) appears on 576 US grants and 1,137 published applications in this corpus.
Search patents in A62B- Granted patents
- 576
- Published applications
- 1,137
- Assignees
- 428
- Inventors
- 1,975
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 11 | 0 |
| 2001 | 5 | 2 |
| 2002 | 9 | 3 |
| 2003 | 10 | 11 |
| 2004 | 13 | 22 |
| 2005 | 6 | 19 |
| 2006 | 16 | 17 |
| 2007 | 5 | 19 |
| 2008 | 1 | 18 |
| 2009 | 3 | 28 |
| 2010 | 9 | 18 |
| 2011 | 5 | 25 |
| 2012 | 10 | 26 |
| 2013 | 9 | 12 |
| 2014 | 9 | 19 |
| 2015 | 6 | 39 |
| 2016 | 17 | 32 |
| 2017 | 18 | 45 |
| 2018 | 12 | 44 |
| 2019 | 19 | 38 |
| 2020 | 41 | 52 |
| 2021 | 42 | 162 |
| 2022 | 51 | 197 |
| 2023 | 38 | 155 |
| 2024 | 49 | 75 |
| 2025 | 53 | 30 |
| 2026 | 46 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for absorbing moisture within a face mask8 Sep 2026US 12,727,632 B2Honeywell Safety Products USA, Inc.
- Smart article visual communication based on facial movement8 Sep 2026US 12,727,634 B2NantWorks, LLC
- Mask25 Aug 2026US 12,714,166 B2Amolifescience Co., Ltd.
- Breathing apparatus with multiple breathing channels25 Aug 2026US 12,714,821 B1MPOINTAERO Inc.
- Method for manufacturing a metallic functional part delimiting a porous filtering medium, using an additive manufacturing method, and obtained functional part25 Aug 2026US 12,714,960 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Multifunctional filter materials8 Oct 2026US 2026/0305741 A1Khalifa University of Science and Technology
- Mask with translucent flap1 Oct 2026US 2026/0295311 A1Makrite Industries Inc.
- Facemask Assemblies with Multi-Mounts27 Aug 2026US 2026/0249110 A1Octo Safety Devices, LLC
- Filtration media and filters27 Aug 2026US 2026/0249218 A1DelStar Technologies, Inc.
- Positive pressure mask6 Aug 2026US 2026/0224923 A1
Most cited
By later US patents
- Melt-blown fibrous electrets387US 4,215,682 AMinnesota Mining and Manufacturing Company · 1980
- Particle-loaded microfiber sheet product and respirators made therefrom339US 3,971,373 AMinnesota Mining and Manufacturing Company · 1976
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Respirator249US 6,817,362 B2North Safety Products, Inc. · 2004
- Endoscopy breathing mask224US 5,431,158 A1995