E06C 1/14
Ladders capable of standing by themselves
E06C1/14 (Ladders capable of standing by themselves) appears on 386 US grants and 449 published applications in this corpus.
Search patents in E06C- Granted patents
- 386
- Published applications
- 449
- Assignees
- 103
- Inventors
- 569
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 5 | 12 |
| 2004 | 4 | 4 |
| 2005 | 8 | 12 |
| 2006 | 3 | 5 |
| 2007 | 3 | 4 |
| 2008 | 2 | 7 |
| 2009 | 3 | 8 |
| 2010 | 0 | 9 |
| 2011 | 9 | 12 |
| 2012 | 5 | 12 |
| 2013 | 10 | 7 |
| 2014 | 6 | 11 |
| 2015 | 12 | 21 |
| 2016 | 7 | 16 |
| 2017 | 10 | 20 |
| 2018 | 14 | 31 |
| 2019 | 28 | 45 |
| 2020 | 31 | 38 |
| 2021 | 14 | 20 |
| 2022 | 24 | 35 |
| 2023 | 16 | 22 |
| 2024 | 12 | 34 |
| 2025 | 28 | 25 |
| 2026 | 21 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Conveniently storable children height-increasing stool6 Oct 2026US 12,751,554 B2
- Ladder feet21 Jul 2026US 12,687,070 B2Werner Co.
- Stepping platform of foldable ladder30 Jun 2026US 12,669,016 B2New-Tec Integration (Xiamen) Co., Ltd.
- Security ladder for a pool16 Jun 2026US 12,655,686 B2Bestway Inflatables & Material Corp.
- Step ladder2 Jun 2026US 12,644,336 B2Tricam Industries, Inc.
- Safety ATV Ladder8 Oct 2026US 2026/0308979 A1
- Domestic hydraulic stepladder characterized by infinitely variable height for steps and platform17 Sep 2026US 2026/0275810 A1Hitachi High -Tech Corpo
- Deployable shoe for a height work platform3 Sep 2026US 2026/0258701 A1Duarib Group
- Ladder extension assembly20 Aug 2026US 2026/0243131 A1Pure Safety Group, Inc.
- Folding elevated working platform6 Aug 2026US 2026/0226796 A1Little Giant Ladder Systems, LLC
Most cited
By later US patents
- Ladders, ladder components and related methods85US 8,186,481 B2Wing Enterprises, Incorporated · 2012
- Longitudinally variable ladder64US 4,210,224 A1980
- Adjustable extension stepladder58US 5,590,739 A1997
- Method of manufacturing a fiberglass ladder57US 4,371,055 ALittle Giant Industries, Inc. · 1983
- Fiberglass ladder57US 4,376,470 ALittle Giant Industries, Inc. · 1983