E06B 5/01
Trap-doors
E06B5/01 (Trap-doors) appears on 86 US grants and 76 published applications in this corpus.
Search patents in E06B- Granted patents
- 86
- Published applications
- 76
- Assignees
- 37
- Inventors
- 144
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 4 |
| 2004 | 1 | 0 |
| 2005 | 2 | 4 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 0 | 4 |
| 2010 | 2 | 2 |
| 2011 | 0 | 3 |
| 2012 | 4 | 4 |
| 2013 | 3 | 5 |
| 2014 | 3 | 4 |
| 2015 | 3 | 7 |
| 2016 | 9 | 8 |
| 2017 | 4 | 4 |
| 2018 | 2 | 2 |
| 2019 | 6 | 3 |
| 2020 | 6 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Box structure building partition12 May 2026US 12,624,591 B2Fakro Pp Sp. Z O.O.
- Box construction lock24 Feb 2026US 12,559,983 B2Fakro Pp Sp. Z O.O.
- Building access panels13 Jan 2026US 12,523,091 B2
- Attic hatch systems with hanger parts for supporting an attic hatch, and related methods13 Jan 2026US 12,523,092 B2Air-Lok Technologies Inc.
- Safety roof hatch system28 Oct 2025US 12,454,863 B2
- Ceiling access doors with hinges and an insulation dam26 Feb 2026US 2026/0055658 A1A.J. Manufacturing Inc.
- Secure box assembly and related methods5 Jun 2025US 2025/0179867 A1
- Corner assembly of a fixed outer frame of a trapdoor22 May 2025US 2025/0163753 A1Akifix S.P.A.
- Device for accessing an underground facility, comprising an adjustable assistance cylinder6 Mar 2025US 2025/0075461 A1EJ Emea
- Building Access Panels4 Apr 2024US 2024/0110436 A1
Most cited
By later US patents