E06C 7/085
Achieved by deforming the rung or the stile
Official title: {achieved by deforming the rung or the stile (E06C7/084 takes precedence)}
E06C7/085 (Achieved by deforming the rung or the stile) appears on 29 US grants and 18 published applications in this corpus.
Search patents in E06C- Granted patents
- 29
- Published applications
- 18
- Assignees
- 12
- Inventors
- 33
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 3 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Extension ladder with groove box rails and method10 Dec 2024US 12,163,379 B2Werner Co.
- 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.
- Ladder with box rails having a collar4 Jul 2023US 11,692,396 B2Werner Co.
- Retrogression heat treatment14 Oct 2014US 8,857,037 B2Werner Co.
- Extension ladder with groove box rails and method20 Feb 2025US 2025/0059832 A1Werner Co.
- Box rail backup and method4 Jul 2024US 2024/0218740 A1Werner Co.
- Box Rail Backup and Method1 Jul 2021US 2021/0198943 A1Werner Co.
- Extension Ladder with Groove Box Rails and Method1 Jul 2021US 2021/0198944 A1Werner Co.
- Ladder with Box Rails Having a Collar and Method1 Jul 2021US 2021/0198945 A1Werner Co.
Most cited
By later US patents
- Light weight ladder systems and methods46US 6,866,117 B2Wing Enterprises, Incorporated · 2005
- Device for connecting a tube and a sheet metal element39US 4,597,687 A1986
- Apparatus and methods for making rail-to-rung joints for ladders and joints for other structural elements33US 4,656,721 AR. D. Werner Co., Inc. · 1987
- Method of applying hollow section coupling to other sections31US 4,698,896 AVaw Leichtmetall GmbH · 1987
- Metal ladder and method of fabricating the same23US 4,261,436 ASears, Roebuck and Co. · 1981