E04C 5/00
Reinforcing elements
Official title: Reinforcing elements, e.g. for concrete; Auxiliary elements therefor ({methods or devices for making reinforcing materials B21D;} material composition {C04B,} C21, C22)
E04C5/00 (Reinforcing elements) appears on 2,845 US grants and 2,547 published applications in this corpus.
Search patents in E04C- Granted patents
- 2,845
- Published applications
- 2,547
- Assignees
- 1,391
- Inventors
- 4,349
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 33 | 0 |
| 1978 | 42 | 0 |
| 1979 | 16 | 0 |
| 1980 | 26 | 0 |
| 1981 | 18 | 0 |
| 1982 | 30 | 0 |
| 1983 | 26 | 0 |
| 1984 | 29 | 0 |
| 1985 | 24 | 0 |
| 1986 | 36 | 0 |
| 1987 | 38 | 0 |
| 1988 | 22 | 0 |
| 1989 | 39 | 0 |
| 1990 | 36 | 0 |
| 1991 | 30 | 0 |
| 1992 | 28 | 0 |
| 1993 | 26 | 0 |
| 1994 | 39 | 0 |
| 1995 | 43 | 0 |
| 1996 | 28 | 0 |
| 1997 | 59 | 0 |
| 1998 | 53 | 0 |
| 1999 | 59 | 0 |
| 2000 | 56 | 0 |
| 2001 | 73 | 18 |
| 2002 | 49 | 65 |
| 2003 | 73 | 79 |
| 2004 | 63 | 104 |
| 2005 | 59 | 93 |
| 2006 | 45 | 86 |
| 2007 | 40 | 70 |
| 2008 | 33 | 75 |
| 2009 | 34 | 69 |
| 2010 | 59 | 56 |
| 2011 | 55 | 72 |
| 2012 | 49 | 91 |
| 2013 | 47 | 89 |
| 2014 | 86 | 120 |
| 2015 | 98 | 156 |
| 2016 | 101 | 139 |
| 2017 | 104 | 138 |
| 2018 | 113 | 141 |
| 2019 | 127 | 158 |
| 2020 | 119 | 134 |
| 2021 | 106 | 122 |
| 2022 | 102 | 133 |
| 2023 | 107 | 100 |
| 2024 | 101 | 100 |
| 2025 | 82 | 75 |
| 2026 | 49 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Collated rebar clip29 Sep 2026US 12,747,588 B2
- Structural shear tie connector for sandwiched insulated concrete and sandwiched insulated concrete walls/panels15 Sep 2026US 12,735,893 B1
- Polymer fibers for concrete reinforcement8 Sep 2026US 12,729,294 B2Sika Technology AG
- Concrete reinforcement cage lock with minimal intrusion into the concrete cover8 Sep 2026US 12,729,537 B2Hawkeyepedershaab Concrete Technologies, Inc.
- Rebar, device and construction method for 3D-printing a concrete interlayer structure1 Sep 2026US 12,722,324 B2
- Frp rebar forming apparatus8 Oct 2026US 2026/0307342 A1Tsudakoma Kogyo Kabushiki Kaisha
- Cantilevered apparatus for positioning bolts and reinforcing steel bars8 Oct 2026US 2026/0308912 A1BoltRail Ltd.
- Reconfigurable precast concrete construction system1 Oct 2026US 2026/0297942 A1Massachusetts Institute of Technology
- Systems, apparatus, and methods of adjustably building rebar structure24 Sep 2026US 2026/0284732 A1Builders FirstSource, Inc.
- Self-gripping, no-slip rebar coupler with tool-free engagement and multimechanism gripping assembly17 Sep 2026US 2026/0275719 A1
Most cited
By later US patents
- Pipe retaining clip and method for installing radiant heat flooring174US 5,598,682 AHaughian Sales Ltd. · 1997
- Interactive medication container158US 7,978,564 B22011
- Light steel structural members148US 8,225,581 B2Sur-Stud Structural Technology Inc. · 2012
- Textile reinforced structural components141US 4,819,395 ADainihon Glass Industry Co., Ltd. · 1989
- Digital flexural materials134US 9,566,758 B2Massachusetts Institute of Technology · 2017