E06C 1/39
Ladders having platforms
Official title: Ladders having platforms; Ladders changeable into platforms (platforms for use on ladders E06C7/16)
E06C1/39 (Ladders having platforms) appears on 431 US grants and 455 published applications in this corpus.
Search patents in E06C- Granted patents
- 431
- Published applications
- 455
- Assignees
- 151
- Inventors
- 658
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 1 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 12 | 2 |
| 2002 | 15 | 13 |
| 2003 | 15 | 30 |
| 2004 | 18 | 21 |
| 2005 | 17 | 20 |
| 2006 | 18 | 17 |
| 2007 | 15 | 18 |
| 2008 | 4 | 13 |
| 2009 | 1 | 11 |
| 2010 | 7 | 15 |
| 2011 | 8 | 11 |
| 2012 | 7 | 8 |
| 2013 | 11 | 10 |
| 2014 | 8 | 21 |
| 2015 | 14 | 23 |
| 2016 | 16 | 17 |
| 2017 | 10 | 17 |
| 2018 | 18 | 20 |
| 2019 | 11 | 22 |
| 2020 | 19 | 32 |
| 2021 | 14 | 17 |
| 2022 | 19 | 22 |
| 2023 | 12 | 16 |
| 2024 | 7 | 13 |
| 2025 | 19 | 21 |
| 2026 | 16 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Folding ladder6 Oct 2026US 12,753,655 B2Jiaxing Jackson Travel Products Co., Ltd.
- Ladder step extension platform15 Sep 2026US 12,735,943 B2
- Ladder safety system4 Aug 2026US 12,698,679 B1
- Stepping platform of foldable ladder30 Jun 2026US 12,669,016 B2New-Tec Integration (Xiamen) Co., Ltd.
- Step ladder2 Jun 2026US 12,644,336 B2Tricam Industries, Inc.
- 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
- Spliced tread for ladder and folding ladder24 Sep 2026US 2026/0286778 A1
- Modular ladder with a tambour barrier10 Sep 2026US 2026/0266078 A1Confer Plastics, Inc.
- Deployable shoe for a height work platform3 Sep 2026US 2026/0258701 A1Duarib Group
Most cited
By later US patents