A42B 3/32
Collapsible helmets
Official title: Collapsible helmets; Helmets made of separable parts {; Helmets with movable parts, e.g. adjustable}
A42B3/32 (Collapsible helmets) appears on 475 US grants and 484 published applications in this corpus.
Search patents in A42B- Granted patents
- 475
- Published applications
- 484
- Assignees
- 237
- Inventors
- 796
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 16 | 1 |
| 2002 | 7 | 7 |
| 2003 | 7 | 10 |
| 2004 | 9 | 9 |
| 2005 | 13 | 15 |
| 2006 | 8 | 3 |
| 2007 | 4 | 20 |
| 2008 | 3 | 9 |
| 2009 | 2 | 12 |
| 2010 | 5 | 7 |
| 2011 | 10 | 11 |
| 2012 | 12 | 12 |
| 2013 | 6 | 22 |
| 2014 | 7 | 15 |
| 2015 | 7 | 17 |
| 2016 | 14 | 23 |
| 2017 | 20 | 40 |
| 2018 | 21 | 21 |
| 2019 | 32 | 37 |
| 2020 | 25 | 34 |
| 2021 | 25 | 26 |
| 2022 | 22 | 23 |
| 2023 | 24 | 24 |
| 2024 | 22 | 41 |
| 2025 | 39 | 33 |
| 2026 | 17 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine vendible expandable helmet and manufacture of same22 Sep 2026US 12,740,611 B2Membrain Safety Solutions, LLC
- Shell, kit, helmet and methods of manufacture of a shell25 Aug 2026US 12,714,176 B2Mips AB
- Multilayered helmet with independently movable segments18 Aug 2026US 12,708,169 B2ENG Designs, LLC
- Collapsible helmet and corresponding production method21 Jul 2026US 12,685,363 B2Monopro Ltd.
- Helmet for impact protection14 Jul 2026US 12,677,897 B2Bauer Hockey, LLC
- Connecting structure of helmet24 Sep 2026US 2026/0283293 A1Jiangyin Dafeima Automobile Technology Co., Ltd.
- Baseball helmet3 Sep 2026US 2026/0256232 A1
- Protection device, protection assembly and method13 Aug 2026US 2026/0232064 A1Autoliv Development AB
- Aviation Helmet6 Aug 2026US 2026/0223968 A1
- Helmet with removable nose guard bridge6 Aug 2026US 2026/0223975 A1Kimpex Inc.
Most cited
By later US patents
- Hockey helmet191US 4,404,690 AAmer Sport International Inc. · 1983
- Protective helmet183US 6,154,889 ATeam Wendy, LLC · 2000
- Protective helmet with face mask sealing means180US 4,713,844 AGentex Corporation · 1987
- Hockey helmet with self-adjusting padding170US 6,298,497 B1Bauer Nike Hockey Inc. · 2001
- Protective headgear164US 5,953,761 AAmpac Enterprises Inc. · 1999