E06C 1/24
Non-hinged free-standing ladders
Official title: {Non-hinged} free-standing ladders
E06C1/24 (Non-hinged free-standing ladders) appears on 63 US grants and 58 published applications in this corpus.
Search patents in E06C- Granted patents
- 63
- Published applications
- 58
- Assignees
- 30
- Inventors
- 88
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 5 |
| 2011 | 3 | 3 |
| 2012 | 1 | 5 |
| 2013 | 4 | 2 |
| 2014 | 3 | 6 |
| 2015 | 6 | 5 |
| 2016 | 2 | 4 |
| 2017 | 1 | 5 |
| 2018 | 3 | 2 |
| 2019 | 3 | 5 |
| 2020 | 5 | 2 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Security ladder for a pool16 Jun 2026US 12,655,686 B2Bestway Inflatables & Material Corp.
- Ladders, ladder components and related methods15 Jul 2025US 12,359,508 B2Little Giant Ladder Systems, LLC
- Ladders, ladder components and related methods8 Jul 2025US 12,352,107 B2Little Giant Ladder Systems, LLC
- Ladders, ladder components and related methods17 Oct 2023US 11,788,351 B2Little Giant Ladder Systems, LLC
- Wheeled climbing system6 Dec 2022US 11,519,223 B2
- Windshield installation ladder16 Jul 2026US 2026/0201711 A1Locknclimb LLC
- Ladder systems having a base and interchangeable attachments14 Aug 2025US 2025/0257610 A1Blue Moon Designs, LLC
- Construction Disposition Introduced in Multifunctional Ladder7 Aug 2025US 2025/0250804 A1
- Ladders, ladder components and related methods22 May 2025US 2025/0163757 A1Little Giant Ladder Systems, LLC
- Ladders, ladder components and related methods13 Jun 2024US 2024/0191571 A1Little Giant Ladder Systems, LLC
Most cited
By later US patents
- Ladders, ladder components and related methods85US 8,186,481 B2Wing Enterprises, Incorporated · 2012
- Collapsible stage55US 4,580,776 A1986
- Freestanding ladder structure41US 4,023,647 AConfer Plastics, Inc. · 1977
- Stairs for swimming-pool31US 5,644,873 A1997
- Electrician's ladder and method29US 7,886,872 B2Werner Co. · 2011