E06C 1/32
Ladders with a strut which is formed as a ladder and can
Official title: Ladders with a strut which is formed as a ladder and can be secured in line with the ladder
E06C1/32 (Ladders with a strut which is formed as a ladder and can) appears on 144 US grants and 124 published applications in this corpus.
Search patents in E06C- Granted patents
- 144
- Published applications
- 124
- Assignees
- 51
- Inventors
- 184
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 0 |
| 2003 | 3 | 9 |
| 2004 | 3 | 7 |
| 2005 | 5 | 10 |
| 2006 | 8 | 3 |
| 2007 | 2 | 2 |
| 2008 | 3 | 6 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 4 | 2 |
| 2012 | 0 | 2 |
| 2013 | 3 | 1 |
| 2014 | 0 | 4 |
| 2015 | 3 | 4 |
| 2016 | 2 | 5 |
| 2017 | 3 | 4 |
| 2018 | 1 | 4 |
| 2019 | 3 | 10 |
| 2020 | 4 | 4 |
| 2021 | 3 | 4 |
| 2022 | 4 | 6 |
| 2023 | 4 | 6 |
| 2024 | 5 | 10 |
| 2025 | 3 | 9 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-position ladder bucket4 Aug 2026US 12,698,680 B2Tricam Industries, Inc.
- Remote extendable ladder and methods21 Jul 2026US 12,687,069 B2Werner Co.
- Adjustable hinge for a multi-position ladder12 May 2026US 12,624,594 B2Tricam Industries, Inc.
- Step ladder pivot and lock mechanism21 Apr 2026US 12,607,063 B2Werner Co.
- Ladders, feet for ladders and hinges for ladders14 Apr 2026US 12,601,222 B2Little Giant Ladder Systems, LLC
- Ladder body, ladder joint, and ladder25 Jun 2026US 2026/0176921 A1Suzhou Pica Aluminum Industry Ltd
- Ladder with lockable pivot assembly18 Jun 2026US 2026/0168324 A1Werner Co.
- Walkthrough and standoff mechanisms for ladders, ladders incorporating same and related methods4 Jun 2026US 2026/0153001 A1Little Giant Ladder Systems, LLC
- Ladder top cap bucket23 Apr 2026US 2026/0110217 A1Tricam Industries, Inc.
- Ladder attachment apparatus16 Apr 2026US 2026/0103947 A1
Most cited
By later US patents
- Ladder hinge and multi-position locking mechanism therefor97US 4,407,045 A1983
- Ladder hinge and multi-position locking mechanism therefor89US 4,566,150 ALittle Giant Industries, Inc. · 1986
- Hinge on ladder77US 6,343,406 B12002
- Adjustable joint assembly for ladder sections67US 5,620,272 A1997
- Combination extension and step ladder rungs therefor65US 4,182,431 ALittle Giant Industries, Inc. · 1980