E06C 1/18
With supporting struts formed as ladders
Official title: with supporting struts formed as ladders {(E06C1/32 takes precedence)}
E06C1/18 (With supporting struts formed as ladders) appears on 126 US grants and 190 published applications in this corpus.
Search patents in E06C- Granted patents
- 126
- Published applications
- 190
- Assignees
- 33
- Inventors
- 218
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 8 |
| 2004 | 1 | 1 |
| 2005 | 5 | 8 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 3 | 3 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 4 | 6 |
| 2016 | 2 | 9 |
| 2017 | 4 | 7 |
| 2018 | 6 | 15 |
| 2019 | 11 | 24 |
| 2020 | 14 | 14 |
| 2021 | 4 | 8 |
| 2022 | 11 | 16 |
| 2023 | 6 | 12 |
| 2024 | 8 | 13 |
| 2025 | 13 | 12 |
| 2026 | 9 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ladder feet21 Jul 2026US 12,687,070 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
- Switchable locking device31 Mar 2026US 12,590,491 B2
- Ladder extension assembly20 Aug 2026US 2026/0243131 A1Pure Safety Group, Inc.
- Stepladder magnetic top cap tray23 Jul 2026US 2026/0210178 A1Tricam Industries, Inc.
- Stepladder spreader mechanism23 Jul 2026US 2026/0210179 A1Tricam Industries, Inc.
- Ladder body, ladder joint, and ladder25 Jun 2026US 2026/0176921 A1Suzhou Pica Aluminum Industry Ltd
- Elevator car ceiling access system18 Jun 2026US 2026/0167459 A1Otis Elevator Company
Most cited
By later US patents
- Ladders, ladder components and related methods85US 8,186,481 B2Wing Enterprises, Incorporated · 2012
- Universal pickup truck bed liner, loading ramp and ladder assembly49US 4,990,049 A1991
- Ladder kit38US 4,060,150 A1977
- Multi-purpose extendable and retractable ladder38US 4,989,692 A1991
- Step ladders, components for step ladders and related methods25US 10,597,941 B2Wing Enterprises, Incorporated · 2020