E06C 1/00
Ladders in general
Official title: Ladders in general (mounted on undercarriages or vehicles E06C5/00; permanently attached to fixed structures E06C9/00)
E06C1/00 (Ladders in general) appears on 1,668 US grants and 1,552 published applications in this corpus.
Search patents in E06C- Granted patents
- 1,668
- Published applications
- 1,552
- Assignees
- 492
- Inventors
- 2,401
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 20 | 0 |
| 1978 | 17 | 0 |
| 1979 | 20 | 0 |
| 1980 | 27 | 0 |
| 1981 | 26 | 0 |
| 1982 | 11 | 0 |
| 1983 | 16 | 0 |
| 1984 | 27 | 0 |
| 1985 | 25 | 0 |
| 1986 | 22 | 0 |
| 1987 | 25 | 0 |
| 1988 | 20 | 0 |
| 1989 | 21 | 0 |
| 1990 | 31 | 0 |
| 1991 | 31 | 0 |
| 1992 | 30 | 0 |
| 1993 | 14 | 0 |
| 1994 | 24 | 0 |
| 1995 | 14 | 0 |
| 1996 | 19 | 0 |
| 1997 | 24 | 0 |
| 1998 | 31 | 0 |
| 1999 | 29 | 0 |
| 2000 | 33 | 0 |
| 2001 | 31 | 7 |
| 2002 | 41 | 35 |
| 2003 | 45 | 55 |
| 2004 | 39 | 57 |
| 2005 | 43 | 67 |
| 2006 | 41 | 41 |
| 2007 | 26 | 40 |
| 2008 | 15 | 46 |
| 2009 | 10 | 36 |
| 2010 | 19 | 44 |
| 2011 | 31 | 45 |
| 2012 | 26 | 42 |
| 2013 | 38 | 39 |
| 2014 | 37 | 51 |
| 2015 | 40 | 81 |
| 2016 | 43 | 74 |
| 2017 | 46 | 65 |
| 2018 | 54 | 77 |
| 2019 | 63 | 111 |
| 2020 | 69 | 88 |
| 2021 | 52 | 74 |
| 2022 | 54 | 88 |
| 2023 | 51 | 69 |
| 2024 | 43 | 78 |
| 2025 | 74 | 67 |
| 2026 | 60 | 75 |
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
- Folding ladder6 Oct 2026US 12,753,655 B2Jiaxing Jackson Travel Products Co., Ltd.
- Ladder step extension platform15 Sep 2026US 12,735,943 B2
- Foldable stair assembly8 Sep 2026US 12,728,899 B2Safesmart LLC
- Combined vehicle climbing ladder and recovery board1 Sep 2026US 12,722,569 B2Ford Global Technologies, LLC
- Safety ATV Ladder8 Oct 2026US 2026/0308979 A1
- Platform lifting and moving mechanism and combined platform1 Oct 2026US 2026/0296514 A1Suzhou Zhongchuang Aluminum Co., Ltd.
- Kitchen helper folding step stool with spring loaded crossbar retainer1 Oct 2026US 2026/0298025 A1
- Auxiliary Step Apparatus1 Oct 2026US 2026/0298027 A1
- One piece climbing stick design1 Oct 2026US 2026/0298028 A1
Most cited
By later US patents
- Step stool assembly121US 5,722,507 ACosco, Inc. · 1998
- Extensible and retractable step assembly106US 5,005,667 A1991
- Ladder truck97US 4,174,021 AAlnor Material Handling Limited · 1979
- 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