E01D 15/00
Movable or portable bridges
Official title: Movable or portable bridges; Floating bridges
E01D15/00 (Movable or portable bridges) appears on 492 US grants and 295 published applications in this corpus.
Search patents in E01D- Granted patents
- 492
- Published applications
- 295
- Assignees
- 246
- Inventors
- 719
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 15 | 0 |
| 1978 | 7 | 0 |
| 1979 | 13 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 15 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 12 | 0 |
| 1991 | 12 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 7 | 3 |
| 2003 | 11 | 6 |
| 2004 | 6 | 7 |
| 2005 | 10 | 6 |
| 2006 | 6 | 10 |
| 2007 | 6 | 9 |
| 2008 | 5 | 15 |
| 2009 | 10 | 14 |
| 2010 | 5 | 16 |
| 2011 | 8 | 10 |
| 2012 | 9 | 14 |
| 2013 | 17 | 10 |
| 2014 | 13 | 19 |
| 2015 | 11 | 14 |
| 2016 | 17 | 23 |
| 2017 | 20 | 19 |
| 2018 | 11 | 16 |
| 2019 | 26 | 23 |
| 2020 | 20 | 19 |
| 2021 | 12 | 9 |
| 2022 | 8 | 8 |
| 2023 | 5 | 10 |
| 2024 | 8 | 4 |
| 2025 | 6 | 3 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E01D 15/12Portable or sectional bridges248
- E01D 15/24Bridges or similar structures, based on land or on a fixed structure114
- E01D 15/14Floating bridges108
- E01D 15/06Bascule bridges20
- E01D 15/02Vertical lift bridges13
- E01D 15/005Movable bridges in general11
- E01D 15/10Travelling bridges , i.e. roller bridges9
- E01D 15/04Swing bridges8
Recent patents
- Floating tunnel shore connecting system, floating tunnel, and floating tunnel construction method thereof12 May 2026US 12,624,515 B2China Communications Construction Co., Ltd.
- Enhanced dynamic energy dissipation by slotted apertures of soft-to-hard goods connections14 Apr 2026US 12,601,383 B1The United States of America as represented by the Secretary of the Navy
- Crawler bridge31 Mar 2026US 12,590,426 B2Calbah Industries Pty Ltd
- Rapid deploy mobile pedestrian bridge25 Nov 2025US 12,480,266 B1
- Gangway having self-raising assembly4 Nov 2025US 12,459,760 B2Safe Rack LLC
- Collapsible lightweight bridge3 Sep 2026US 2026/0258616 A1Tsg Innoteq
- Connecting apparatus for floating structures and floating pier including the same30 Jul 2026US 2026/0218467 A1Seawaytech. Co., Ltd.
- Modular floating drive-on pontoon boat port18 Jun 2026US 2026/0167309 A1E-Z-Dock, Inc.
- Bridge connection system23 Apr 2026US 2026/0110147 A1The Henry Group, Inc.
- System for management of bridge status, opening, and closings9 Apr 2026US 2026/0098387 A1Bridge Tender Global LLC
Most cited
By later US patents
- Automatic tethering system for a floating dock68US 6,295,944 B12001
- Tele-robotic passenger loading bridge control system55US 5,226,204 ASubtechnique, Inc. · 1993
- Extendable table54US 4,878,439 A1989
- Retractable step having a lifting and ramp function48US 10,106,069 B2Gebr. Bode GmbH & Co. KG · 2018
- Rapidly deployed assault vehicle surfacing or trackway system45US 4,488,833 AKaiser Aluminum & Chemical Corporation · 1984