E06C 7/426
Height adjustable supports for receiving both ladder feet
Official title: {Height adjustable supports for receiving both ladder feet}
E06C7/426 (Height adjustable supports for receiving both ladder feet) appears on 46 US grants and 42 published applications in this corpus.
Search patents in E06C- Granted patents
- 46
- Published applications
- 42
- Assignees
- 14
- Inventors
- 71
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 6 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 3 |
| 2017 | 4 | 5 |
| 2018 | 3 | 1 |
| 2019 | 1 | 1 |
| 2020 | 2 | 6 |
| 2021 | 1 | 0 |
| 2022 | 3 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable ladder platform7 Oct 2025US 12,435,568 B1
- Relation to ladder stabilisation14 Nov 2023US 11,814,898 B2
- In pool ladder assembly28 Feb 2023US 11,591,855 B2
- Ladder support15 Nov 2022US 11,499,371 B2
- Adjustment mechanisms, ladders incorporating same and related methods23 Aug 2022US 11,421,475 B2Little Giant Ladder Systems, LLC
- Ladder leveling device and ladder26 Mar 2026US 2026/0085580 A1
- Ladder multi-surface stabilizer system and method12 Mar 2026US 2026/0071494 A1
- Advanced Roof Platform17 Apr 2025US 2025/0122736 A1
- Rooftop Platform - SafetyPitch20 Feb 2025US 2025/0059833 A1
- Relation to ladder stabilisation27 Apr 2023US 2023/0131374 A1
Most cited
By later US patents
- Support frame for a ladder51US 6,053,284 A2000
- Adjustment mechanisms, ladders incorporating same and related methods36US 10,487,576 B2Wing Enterprises, Incorporated · 2019
- Device for use in carpentry and painting30US 5,263,551 A1993
- Roofmates TM roofing accessories29US 6,745,869 B2Roofmates, Inc. · 2004
- Stairway platform25US 5,715,910 A1998