E06C 1/56
Rope or chain ladders
E06C1/56 (Rope or chain ladders) appears on 84 US grants and 43 published applications in this corpus.
Search patents in E06C- Granted patents
- 84
- Published applications
- 43
- Assignees
- 26
- Inventors
- 137
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 3 |
| 2003 | 3 | 2 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 3 |
| 2020 | 0 | 3 |
| 2021 | 3 | 4 |
| 2022 | 0 | 3 |
| 2023 | 2 | 3 |
| 2024 | 0 | 2 |
| 2025 | 3 | 0 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular, collapsible urban assault ladder23 Jun 2026US 12,662,876 B2Delta Tactical Ladder LLC
- Illuminated marine ladder14 Apr 2026US 12,600,439 B2
- Portable ladder with standoffs27 Jan 2026US 12,534,162 B1
- Portable rope ladder and method30 Dec 2025US 12,509,942 B2
- Rope ladder with two braided ropes16 Dec 2025US 12,497,834 B2Airbus Helicopters Deutschland GmbH
- Modular, collapsible urban assault ladder13 Jun 2024US 2024/0191573 A1Delta Tactical Ladder LLC
- Rope assemblies11 Apr 2024US 2024/0117860 A1Advanced Innergy Ltd.
- Cable rack systems and related methods12 Oct 2023US 2023/0321309 A1PURO Lighting, LLC
- Illuminated marine ladder27 Jul 2023US 2023/0234676 A1Jarrett MCNEELY
- Rope ladder with two braided ropes12 Jan 2023US 2023/0011780 A1Airbus Helicopters Deutschland GmbH
Most cited
By later US patents