E01D 2/04
Bridges characterised by the cross-section of their bearing spanning structure: of the
Official title: of the box-girder type
E01D2/04 (Bridges characterised by the cross-section of their bearing spanning structure: of the) appears on 64 US grants and 41 published applications in this corpus.
Search patents in E01D- Granted patents
- 64
- Published applications
- 41
- Assignees
- 53
- Inventors
- 161
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 3 | 6 |
| 2022 | 2 | 10 |
| 2023 | 4 | 3 |
| 2024 | 5 | 4 |
| 2025 | 2 | 1 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite box girder structure and construction method therefor28 Jul 2026US 12,692,674 B2Hunan University
- Composite deck structure for bridge and bridge structure and construction method thereof23 Jun 2026US 12,662,781 B2Hunan University
- Removal-facilitated anchor sealing device for box girder construction26 May 2026US 12,636,813 B2Yantai University
- Intelligent reinforcing support for reinforced concrete low-box girders and method for minimally invasive reinforcement31 Mar 2026US 12,590,425 B2Shandong University
- Steel-concrete composite web and construction method thereof18 Nov 2025US 12,473,699 B2Guangxi Beitou Highway Construction Investment Group Co., Ltd.
- Method for the manufacture of a bridge made of longitudinal beams and deck slab elements9 Jul 2026US 2026/0193855 A1Kollegger GmbH
- Bridge connection system23 Apr 2026US 2026/0110147 A1The Henry Group, Inc.
- Method for erecting a transportation structure15 May 2025US 2025/0154734 A1
- Intelligent reinforcing support for reinforced concrete low-box girders and method for minimally invasive reinforcement12 Sep 2024US 2024/0301636 A1Shandong University
- Bridge girder with high central-wall-beam20 Jun 2024US 2024/0200290 A1Rotao Tech Ltd
Most cited
By later US patents
- Truss structure58US 4,282,619 AHavens Steel Company · 1981
- Modular polymer matrix composite support structure and methods of constructing same36US 6,081,955 AMartin Marietta Materials, Inc. · 2000
- Bridge structure26US 4,129,917 A1978
- Rapid transit viaduct system23US 5,231,931 AJ. Muller International · 1993
- Prefabricated bridge with prestressed elements22US 5,471,694 A1995