E06C 7/086
With a connecting piece inserted in a hollow rung
Official title: {with a connecting piece inserted in a hollow rung (E06C7/088 takes precedence)}
E06C7/086 (With a connecting piece inserted in a hollow rung) appears on 32 US grants and 34 published applications in this corpus.
Search patents in E06C- Granted patents
- 32
- Published applications
- 34
- Assignees
- 17
- Inventors
- 58
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 3 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 3 | 2 |
| 2019 | 0 | 5 |
| 2020 | 2 | 3 |
| 2021 | 4 | 5 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 5 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Ladder with wide rung8 Oct 2024US 12,110,742 B2Werner Co.
- Assembled ladder6 Feb 2024US 11,891,857 B2Jiangsu Zhou Jijie Intelligent Technology Co., Ltd.
- Box rail backup and method30 Jan 2024US 11,885,181 B2Werner Co.
- Ladder with box rails having a collar9 Jan 2024US 11,866,995 B2Werner Co.
- Modular Ladder Assembly14 May 2026US 2026/0132679 A1
- Extension ladder with groove box rails and method20 Feb 2025US 2025/0059832 A1Werner Co.
- Ladder and a ladder rung26 Dec 2024US 2024/0426174 A1Werner Co.
- Box rail backup and method4 Jul 2024US 2024/0218740 A1Werner Co.
- A stabiliser system for a collapsible ladder9 Dec 2021US 2021/0381312 A1Telesteps AB
Most cited
By later US patents
- 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
- Foldable step stool with leg lock and handle39US 6,390,238 B1Cosco Management, Inc. · 2002
- Ladder pivotally attached to a generally vertically extending surface38US 6,378,654 B12002
- Adjustable step ladder36US 6,073,726 A2000