E06C 7/08
Special construction of longitudinal members, or rungs or other treads
E06C7/08 (Special construction of longitudinal members, or rungs or other treads) appears on 405 US grants and 362 published applications in this corpus.
Search patents in E06C- Granted patents
- 405
- Published applications
- 362
- Assignees
- 171
- Inventors
- 632
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 12 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 11 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 6 | 2 |
| 2002 | 17 | 8 |
| 2003 | 7 | 15 |
| 2004 | 11 | 11 |
| 2005 | 8 | 17 |
| 2006 | 10 | 10 |
| 2007 | 4 | 13 |
| 2008 | 4 | 12 |
| 2009 | 6 | 12 |
| 2010 | 2 | 12 |
| 2011 | 4 | 10 |
| 2012 | 4 | 12 |
| 2013 | 11 | 8 |
| 2014 | 11 | 13 |
| 2015 | 6 | 13 |
| 2016 | 8 | 15 |
| 2017 | 5 | 13 |
| 2018 | 16 | 17 |
| 2019 | 15 | 30 |
| 2020 | 12 | 22 |
| 2021 | 17 | 21 |
| 2022 | 13 | 11 |
| 2023 | 9 | 10 |
| 2024 | 11 | 25 |
| 2025 | 14 | 13 |
| 2026 | 13 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Duck blind ladder device1 Sep 2026US 12,723,467 B2
- Climbing stick7 Jul 2026US 12,674,356 B2Latitude Outdoors, LLC
- Ladder30 Jun 2026US 12,669,015 B2Ladder Solutions USA Inc.
- Stepping platform of foldable ladder30 Jun 2026US 12,669,016 B2New-Tec Integration (Xiamen) Co., Ltd.
- Modular, collapsible urban assault ladder23 Jun 2026US 12,662,876 B2Delta Tactical Ladder LLC
- Auxiliary Step Apparatus1 Oct 2026US 2026/0298027 A1
- Spliced tread for ladder and folding ladder24 Sep 2026US 2026/0286778 A1
- Climbing stick17 Sep 2026US 2026/0273346 A1Latitude Outdoors, LLC
- Smart ladder13 Aug 2026US 2026/0234993 A1Tubemaster, Inc.
- Telescopic ladder30 Jul 2026US 2026/0218569 A1Guangdong Wright Housewares Co.,Ltd.
Most cited
By later US patents
- Portable stairs with adjustable landing platform height82US 6,810,995 B22004
- Combination extension and step ladder rungs therefor65US 4,182,431 ALittle Giant Industries, Inc. · 1980
- Folding step stool60US 6,427,805 B1Cosco Management, Inc. · 2002
- Method of manufacturing a fiberglass ladder57US 4,371,055 ALittle Giant Industries, Inc. · 1983
- Fiberglass ladder57US 4,376,470 ALittle Giant Industries, Inc. · 1983