F41H 1/04
Protection helmets
Official title: Protection helmets (crash helmets A42B3/00)
F41H1/04 (Protection helmets) appears on 262 US grants and 364 published applications in this corpus.
Search patents in F41H- Granted patents
- 262
- Published applications
- 364
- Assignees
- 164
- Inventors
- 555
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 3 | 2 |
| 2005 | 3 | 4 |
| 2006 | 1 | 9 |
| 2007 | 5 | 7 |
| 2008 | 1 | 4 |
| 2009 | 1 | 11 |
| 2010 | 5 | 13 |
| 2011 | 8 | 30 |
| 2012 | 8 | 20 |
| 2013 | 7 | 27 |
| 2014 | 18 | 28 |
| 2015 | 11 | 19 |
| 2016 | 23 | 24 |
| 2017 | 20 | 21 |
| 2018 | 17 | 22 |
| 2019 | 19 | 23 |
| 2020 | 13 | 13 |
| 2021 | 13 | 22 |
| 2022 | 13 | 10 |
| 2023 | 17 | 10 |
| 2024 | 12 | 18 |
| 2025 | 14 | 13 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reformable epoxy resin for composites and methods thereof8 Sep 2026US 12,728,623 B2Zephyros, Inc.
- Protective headwear with airflow14 Jul 2026US 12,677,902 B2Illinois Tool Works Inc.
- System, method, and apparatus for detecting IR radiation in a marker system13 Jan 2026US 12,520,896 B2Arcachon Holdings LLC
- Polymer nanocomposites and methods of making the same13 Jan 2026US 12,522,713 B2Temple University of the Commonwealth System of Higher Education
- Ballistic headwear system23 Dec 2025US 12,504,258 B2
- Mounting systems suitable for mounting vision systems8 Oct 2026US 2026/0309973 A1Swift Universal Optical Systems LLC
- Ballistic helmet with nestable segmented ballistic applique24 Sep 2026US 2026/0287311 A1LineWeight LLC
- Blast overpressure mitigation24 Sep 2026US 2026/0287312 A1OverPressured LLC
- Advanced 360-degree surface projectile launch helmet system20 Aug 2026US 2026/0243546 A1
- Aviation Helmet6 Aug 2026US 2026/0223968 A1
Most cited
By later US patents
- Helmet mounting systems114US 7,219,370 B1Wilcox Industries Corp. · 2007
- Force diversion apparatus and methods and devices including the same113US 7,367,898 B2The Aerospace Corporation · 2008
- Wearable air blast protection device98US 8,726,781 B2Elwha LLC · 2014
- Protective helmet assembly with segmental outer shell91US 4,023,209 AGentex Corporation · 1977
- Energy management structure81US 8,726,424 B2Intellectual Property Holdings, LLC · 2014