A41D 13/1123
With a duckbill configuration
Official title: {with a duckbill configuration}
A41D13/1123 (With a duckbill configuration) appears on 41 US grants and 35 published applications in this corpus.
Search patents in A41D- Granted patents
- 41
- Published applications
- 35
- Assignees
- 30
- Inventors
- 78
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 3 | 2 |
| 2022 | 1 | 5 |
| 2023 | 1 | 3 |
| 2024 | 1 | 2 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Sanitizing face mask13 May 2025US 12,295,432 B2
- Facemasks with material layers for enhanced bonding process29 Apr 2025US 12,285,061 B2O&M Halyard, Inc.
- Manufacturing process and apparatus for duckbill mask4 Feb 2025US 12,213,551 B2Beijing Beishute Maternity & Child Articles Co., Ltd
- Disposable respirator6 Aug 2024US 12,053,040 B2
- Face shield and method of use12 Sep 2023US 11,751,616 B2Amdrecor, Inc.
- Facemasks with Material Layers for Enhanced Bonding Process19 Jun 2025US 2025/0194715 A1O&M Halyard, Inc.
- Face covering systems and methods of making same22 May 2025US 2025/0161724 A1Breezlyte LLC
- Facial protection accessory in the form of a flexible protective beak21 Nov 2024US 2024/0381956 A1
- Strapless Face Mask With and Without Access Ports19 Sep 2024US 2024/0306739 A1
- Disposable respirator27 Jul 2023US 2023/0232917 A1
Most cited
By later US patents
- Respirators130US 4,417,575 ARacal Safety Limited · 1983
- Face mask with enhanced seal and method128US 5,553,608 ATecnol Medical Products, Inc. · 1996
- Anti-fogging surgical mask126US 4,419,993 AMinnesota Mining and Manufacturing Company · 1983
- Disposable aerosol mask124US 5,322,061 ATecnol Medical Products, Inc. · 1994
- Disposable face mask with enhanced fluid barrier100US 5,724,964 ATecnol Medical Products, Inc. · 1998