A41D 13/1107
Characterised by their shape
Official title: {characterised by their shape}
A41D13/1107 (Characterised by their shape) appears on 667 US grants and 1,095 published applications in this corpus.
Search patents in A41D- Granted patents
- 667
- Published applications
- 1,095
- Assignees
- 420
- Inventors
- 1,910
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 22 | 0 |
| 1998 | 16 | 0 |
| 1999 | 5 | 0 |
| 2000 | 14 | 0 |
| 2001 | 7 | 4 |
| 2002 | 15 | 3 |
| 2003 | 6 | 8 |
| 2004 | 6 | 6 |
| 2005 | 5 | 15 |
| 2006 | 9 | 15 |
| 2007 | 6 | 9 |
| 2008 | 0 | 16 |
| 2009 | 0 | 15 |
| 2010 | 6 | 14 |
| 2011 | 8 | 33 |
| 2012 | 9 | 24 |
| 2013 | 11 | 16 |
| 2014 | 12 | 27 |
| 2015 | 7 | 25 |
| 2016 | 11 | 29 |
| 2017 | 18 | 43 |
| 2018 | 10 | 40 |
| 2019 | 19 | 31 |
| 2020 | 32 | 44 |
| 2021 | 63 | 199 |
| 2022 | 50 | 234 |
| 2023 | 53 | 138 |
| 2024 | 53 | 61 |
| 2025 | 54 | 22 |
| 2026 | 35 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Personal protection system including medical garment with a shield6 Oct 2026US 12,751,515 B2Stryker Corporation
- Mask with an opening8 Sep 2026US D1,147,327 S1Design
- Face masks and method of fabricating face mask1 Sep 2026US 12,722,029 B2Razer (Asia-Pacific) Pte. Ltd.
- Annular unit for moisture management in respiratory mask11 Aug 2026US 12,702,872 B2Honeywell Safety Products USA, Inc.
- Mask4 Aug 2026US 12,696,943 B2Koken Co., Ltd.
- Sanitary mask sheet17 Sep 2026US 2026/0272077 A1Kao Corporation
- Article of Headwear25 Jun 2026US 2026/0174162 A1Under Armour, Inc.
- Mask having lv structure and device thereof18 Jun 2026US 2026/0165396 A1
- Dual chambered protective mask and frame insert for forming the same11 Jun 2026US 2026/0158302 A1Rodan Enterprises, LLC
- Non-horizontal folding mask4 Jun 2026US 2026/0150921 A1Shanghai Huguard Protection Technology Co., Ltd.
Most cited
By later US patents
- Foam substrate and micropackaged active ingredient particle composite dispensing materials1,078US 4,828,542 ATwin Rivers Engineering · 1989
- Melt-blown fibrous electrets387US 4,215,682 AMinnesota Mining and Manufacturing Company · 1980
- Breathing mask289US 5,419,318 ABetter Breathing, Inc. · 1995
- Valve assembly for a replaceable filter respirator224US 4,630,604 ASiebe North, Inc. · 1986
- Molded fibrous filtration products221US 4,536,440 AMinnesota Mining and Manufacturing Company · 1985