E01D 15/124
Folding or telescopic bridges
Official title: {Folding or telescopic bridges; Bridges built up from folding or telescopic sections (E01D15/122, E01D15/127 take precedence; folding or telescopic girders in general E04C3/005)}
E01D15/124 (Folding or telescopic bridges) appears on 64 US grants and 44 published applications in this corpus.
Search patents in E01D- Granted patents
- 64
- Published applications
- 44
- Assignees
- 39
- Inventors
- 91
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 3 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 5 |
| 2017 | 4 | 4 |
| 2018 | 4 | 2 |
| 2019 | 6 | 4 |
| 2020 | 3 | 4 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 3 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rapid deploy mobile pedestrian bridge25 Nov 2025US 12,480,266 B1
- Transportation pathway elevation separator10 Sep 2024US 12,084,818 B2
- Passenger bridge19 Sep 2023US 11,761,159 B2FMT International Trade AB
- Survivability and assault multi-tool systems and methods30 May 2023US 11,662,181 B1The United States of America as represented by the Secretary of the Army
- Bridges28 Mar 2023US 11,613,857 B2Pearson Engineering Limited
- Collapsible lightweight bridge3 Sep 2026US 2026/0258616 A1Tsg Innoteq
- Transportation Pathway Elevation Separator7 Nov 2024US 2024/0368849 A1
- Passenger bridge13 Apr 2023US 2023/0113112 A1FMT International Trade AB
- Portable ramp13 Oct 2022US 2022/0325484 A1
- Transportation Pathway Elevation Separator23 Jun 2022US 2022/0195676 A1
Most cited
By later US patents
- Deployable truss with orthogonally-hinged primary chords32US 9,249,565 B22016
- Portable bridge structure30US 4,004,652 A1977
- Parallelogram structure29US 4,042,991 ASuntech, Inc. · 1977
- Deployable truss with integral folding panels19US 8,371,088 B22013
- Transportable bridge structure17US 4,521,932 AFairey Engineering Limited · 1985