E04G 2025/042
With devices to avoid accidental disengagement of the telescopic elements
Official title: {with devices to avoid accidental disengagement of the telescopic elements, e.g. during transport}
E04G2025/042 (With devices to avoid accidental disengagement of the telescopic elements) appears on 15 US grants and 11 published applications in this corpus.
Search patents in E04G- Granted patents
- 15
- Published applications
- 11
- Assignees
- 14
- Inventors
- 40
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Locking mechanisms for adjustable telescopic prop assemblies23 Dec 2025US 12,503,872 B2Peri SE
- Slide-plate drop head and grid shoring systems27 Aug 2024US 12,071,774 B1Bond Formwork Systems, LLC
- Telescopic edge protection post24 Oct 2023US 11,795,725 B2Worxsafe AB
- Telescoping formwork support with twist-proof region3 May 2022US 11,319,714 B2Doka GmbH
- Telescopic support prop and locking pin9 Feb 2021US 10,914,088 B2Doka GmbH
- Retainer arrangement, length-adjustble strut and assembly thereof13 Aug 2026US 2026/0234950 A1Holmatro B.V.
- Improved prop assemblies25 Jul 2024US 2024/0247506 A1R.J. Goldspink Pty Limited
- Locking Mechanisms For Adjustable Telescopic Prop Assemblies15 Feb 2024US 2024/0052656 A1Peri SE
- Telescopic edge protection post8 Sep 2022US 2022/0282514 A1Worxsafe AB
- Formwork support29 Apr 2021US 2021/0123250 A1Doka GmbH
Most cited
By later US patents
- Steel prop capable of bearing bidirectional applied force51US 6,467,741 B12002
- Structural support column with a telescopically adjustable head45US 5,819,482 AD.F. Foreman Enterprises Ltd. · 1998
- Shoring scaffold construction25US 4,026,079 ABeaver-Advance Corporation · 1977
- Construction prop assembly11US 10,024,069 B2Concrete Support Systems · 2018
- Multi-stiffener for civil engineering and construction9US 10,132,427 B1Korea Occupational Safety and Health Agency · 2018