F41H 5/26
Peepholes
Official title: Peepholes; Windows; {Loopholes}(manufacture or composition of glass C03; Covers therefor {informative reference: transparent bullet-proof laminates F41H5/0407; layered products essentially comprising glass B32B17/06})
F41H5/26 (Peepholes) appears on 299 US grants and 217 published applications in this corpus.
Search patents in F41H- Granted patents
- 299
- Published applications
- 217
- Assignees
- 174
- Inventors
- 487
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 1 |
| 2003 | 7 | 7 |
| 2004 | 6 | 5 |
| 2005 | 2 | 2 |
| 2006 | 4 | 3 |
| 2007 | 5 | 5 |
| 2008 | 0 | 5 |
| 2009 | 1 | 7 |
| 2010 | 8 | 14 |
| 2011 | 7 | 14 |
| 2012 | 16 | 15 |
| 2013 | 15 | 7 |
| 2014 | 11 | 16 |
| 2015 | 14 | 15 |
| 2016 | 11 | 10 |
| 2017 | 11 | 12 |
| 2018 | 8 | 15 |
| 2019 | 15 | 9 |
| 2020 | 10 | 16 |
| 2021 | 9 | 8 |
| 2022 | 7 | 7 |
| 2023 | 13 | 6 |
| 2024 | 3 | 6 |
| 2025 | 2 | 5 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Utilizing a weapons port which uses a single penetration6 Oct 2026US 12,753,997 B2Howe & Howe Inc.
- Protective shields8 Sep 2026US 12,729,508 B2Ea Safety, LLC
- Viewing instrument8 Sep 2026US 12,729,935 B2Nedinsco B.V.
- Boltless viewport assembly for a ballistic shield12 May 2026US 12,624,927 B1Ambitec Inc.
- Optical detection system and method for detecting a hostile optical component5 May 2026US 12,618,977 B2HENSOLDT Optronics GmbH
- Protective assembly for bullets and drones24 Sep 2026US 2026/0287313 A1
- Armored window system23 Jul 2026US 2026/0210676 A1
- Ballistic Panels for Vehicles and Methods14 May 2026US 2026/0133015 A1
- Armored Shield5 Feb 2026US 2026/0036403 A1Leading Technology Composites, Inc.
- Ballistic assault barrier system22 Jan 2026US 2026/0022915 A1
Most cited
By later US patents
- Optical target tracking and designating system141US 4,386,848 AMartin Marietta Corporation · 1983
- Removable bulletproof apparatus for vehicles73US 5,438,908 A1995
- Interior armor for passenger vehicles71US 5,679,918 AThe United States of America as represented by the Secretary of the Army · 1997
- Display system68US 5,982,536 ABarr & Stroud Limited · 1999
- Lightweight armored vehicle and method of making same68US 6,327,954 B12001