E01D 15/12
Portable or sectional bridges
Official title: Portable or sectional bridges (floating bridges E01D15/14)
E01D15/12 (Portable or sectional bridges) appears on 248 US grants and 155 published applications in this corpus.
Search patents in E01D- Granted patents
- 248
- Published applications
- 155
- Assignees
- 120
- Inventors
- 353
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 9 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 11 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 5 | 1 |
| 2004 | 1 | 4 |
| 2005 | 4 | 0 |
| 2006 | 2 | 7 |
| 2007 | 2 | 6 |
| 2008 | 2 | 10 |
| 2009 | 4 | 9 |
| 2010 | 2 | 10 |
| 2011 | 6 | 7 |
| 2012 | 5 | 2 |
| 2013 | 6 | 6 |
| 2014 | 6 | 10 |
| 2015 | 6 | 6 |
| 2016 | 10 | 11 |
| 2017 | 9 | 12 |
| 2018 | 5 | 6 |
| 2019 | 14 | 14 |
| 2020 | 11 | 12 |
| 2021 | 9 | 5 |
| 2022 | 5 | 4 |
| 2023 | 4 | 6 |
| 2024 | 2 | 3 |
| 2025 | 4 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crawler bridge31 Mar 2026US 12,590,426 B2Calbah Industries Pty Ltd
- Rapid deploy mobile pedestrian bridge25 Nov 2025US 12,480,266 B1
- Catwalk floorbeam connection system2 Sep 2025US 12,404,640 B2Sukup Manufacturing Company
- Ramp component system1 Jul 2025US 12,344,490 B2
- Portable bridge17 Jun 2025US 12,331,472 B2Across Bridges Ltd.
- Collapsible lightweight bridge3 Sep 2026US 2026/0258616 A1Tsg Innoteq
- Bridge connection system23 Apr 2026US 2026/0110147 A1The Henry Group, Inc.
- Ramp component system22 Jan 2026US 2026/0021981 A1
- Transportation Pathway Elevation Separator7 Nov 2024US 2024/0368849 A1
- Transportable modular bridge4 Jul 2024US 2024/0218616 A1SNBC Inc.
Most cited
By later US patents
- Extendable table54US 4,878,439 A1989
- Suspension bridge and method of erecting same40US 4,457,035 AWilly Habegger AG · 1984
- Portable bridge system32US 5,603,134 ACoastal Lumber Company · 1997
- Deployable truss with orthogonally-hinged primary chords32US 9,249,565 B22016
- Portable bridge structure30US 4,004,652 A1977