A41D 13/113
With a vertical fold or weld
Official title: {with a vertical fold or weld}
A41D13/113 (With a vertical fold or weld) appears on 35 US grants and 107 published applications in this corpus.
Search patents in A41D- Granted patents
- 35
- Published applications
- 107
- Assignees
- 45
- Inventors
- 215
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 0 | 4 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 5 |
| 2018 | 0 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 5 |
| 2021 | 3 | 23 |
| 2022 | 5 | 29 |
| 2023 | 4 | 14 |
| 2024 | 3 | 5 |
| 2025 | 2 | 0 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sanitary mask sheet21 Jul 2026US 12,685,352 B2Kao Corporation
- Face mask16 Jun 2026US 12,653,252 B2
- Article of apparel with breathable face covering26 May 2026US 12,635,745 B2Under Armour, Inc.
- Face mask26 May 2026US 12,636,525 B2Meacor, Inc.
- Face mask having improved air permeability21 Apr 2026US 12,605,574 B2
- Sanitary mask sheet17 Sep 2026US 2026/0272077 A1Kao Corporation
- Article of Headwear25 Jun 2026US 2026/0174162 A1Under Armour, Inc.
- Non-horizontal folding mask4 Jun 2026US 2026/0150921 A1Shanghai Huguard Protection Technology Co., Ltd.
- Mask and method for producing masks31 Oct 2024US 2024/0358100 A1Appcell
- Sanitary mask sheet14 Mar 2024US 2024/0081438 A1Kao Corporation
Most cited
By later US patents
- Respirators130US 4,417,575 ARacal Safety Limited · 1983
- Flat-folded personal respiratory protection devices and processes for preparing same95US 6,394,090 B13M Innovative Properties Company · 2002
- Respirators78US 4,419,994 ARacal Safety Limited · 1983
- Multipurpose face mask that maintains an airspace between the mask and the wearer's face64US 5,701,892 A1997
- Disposable sanitary mask62US 5,717,991 AMeisei Sansho Co., Ltd. · 1998