E01D
Construction of bridges, elevated roadways or viaducts
Official title: CONSTRUCTION OF BRIDGES, {ELEVATED ROADWAYS} OR VIADUCTS; ASSEMBLY OF BRIDGES (bridges extending between terminal buildings and aircraft for embarking or disembarking passengers B64F1/305; {tracks for special kinds of railways E01B25/00; culverts E01F5/005})
E01D (Construction of bridges, elevated roadways or viaducts) appears on 2,253 US grants and 1,549 published applications in this corpus.
Search patents in E01D- Granted patents
- 2,253
- Published applications
- 1,549
- Assignees
- 1,138
- Inventors
- 3,871
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 38 | 0 |
| 1978 | 42 | 0 |
| 1979 | 28 | 0 |
| 1980 | 25 | 0 |
| 1981 | 34 | 0 |
| 1982 | 35 | 0 |
| 1983 | 20 | 0 |
| 1984 | 30 | 0 |
| 1985 | 29 | 0 |
| 1986 | 42 | 0 |
| 1987 | 62 | 0 |
| 1988 | 27 | 0 |
| 1989 | 39 | 0 |
| 1990 | 36 | 0 |
| 1991 | 35 | 0 |
| 1992 | 39 | 0 |
| 1993 | 30 | 0 |
| 1994 | 35 | 0 |
| 1995 | 39 | 0 |
| 1996 | 43 | 0 |
| 1997 | 48 | 0 |
| 1998 | 47 | 0 |
| 1999 | 44 | 0 |
| 2000 | 39 | 0 |
| 2001 | 38 | 15 |
| 2002 | 56 | 40 |
| 2003 | 42 | 43 |
| 2004 | 54 | 52 |
| 2005 | 32 | 51 |
| 2006 | 31 | 51 |
| 2007 | 32 | 39 |
| 2008 | 34 | 56 |
| 2009 | 30 | 43 |
| 2010 | 30 | 52 |
| 2011 | 34 | 62 |
| 2012 | 43 | 53 |
| 2013 | 60 | 49 |
| 2014 | 62 | 61 |
| 2015 | 47 | 58 |
| 2016 | 57 | 74 |
| 2017 | 70 | 73 |
| 2018 | 62 | 97 |
| 2019 | 87 | 113 |
| 2020 | 84 | 88 |
| 2021 | 63 | 73 |
| 2022 | 66 | 82 |
| 2023 | 56 | 80 |
| 2024 | 62 | 57 |
| 2025 | 56 | 54 |
| 2026 | 49 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- E01D 19/00Structural or constructional details of bridges1,348
- E01D 15/00Movable or portable bridges492
- E01D 2101/00Material constitution of bridgesIndexing code480
- E01D 21/00Methods or apparatus specially adapted for erecting or assembling bridges280
- E01D 22/00Methods or apparatus for repairing or strengthening existing bridges238
- E01D 2/00Bridges characterised by the cross-section of their bearing spanning structure191
- E01D 11/00Suspension or cable-stayed bridges119
- E01D 1/00Bridges in general81
Recent patents
- Press-in reinforcement steel plate underwater swell prevention structure and steel plate press-in method6 Oct 2026US 12,753,556 B2Oriental Shiraishi Corporation
- Viaduct structure29 Sep 2026US 12,747,548 B2
- Modular expansion joint system29 Sep 2026US 12,747,549 B2Sika Technology AG
- Structural performance-improved safety apparatus for preventing falling and suicide by jumping29 Sep 2026US 12,747,550 B2System K&J Co., Ltd.
- Structural system for building and civil engineering works and construction method15 Sep 2026US 12,735,889 B2
- Hydraulic composition for ultra-high performance concrete and ultra-high performance grout8 Oct 2026US 2026/0308054 A1Sika Technology AG
- Duck Bridge and Method for Using Same1 Oct 2026US 2026/0297870 A1
- Additively manufactured formwork assemblies and sequential cast-in-place methods to create compression-based structures1 Oct 2026US 2026/0297924 A1The Regents of the University of Michigan
- Smart hybrid sealants for concrete cracks and joints, methods of making, and methods of use24 Sep 2026US 2026/0286622 A1
- Seismic damping pier foundation system for seismic isolation24 Sep 2026US 2026/0286628 A1Cover Technologies, Inc.
Most cited
By later US patents
- Ground surface cover system with flexible interlocking joint for erosion control176US 6,685,391 B1Ackerstein Industries Ltd. · 2004
- Highway expansion joint strip seal161US 5,071,282 AThe D. S. Brown Company · 1991
- Roadway expansion joint and seal157US 4,447,172 AStructural Accessories, Inc. · 1984
- Expansion joint with elastomer seal153US 4,007,994 AThe D. S. Brown Company · 1977
- Roadway joint-sealing apparatus149US 4,080,086 AWatson Bowman Associates, Inc. · 1978