E04C 5/16
Auxiliary parts for reinforcements
Official title: Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups ({E04C5/06 takes precedence;} tools connecting reinforcing elements E04G21/12)
E04C5/16 (Auxiliary parts for reinforcements) appears on 1,026 US grants and 1,002 published applications in this corpus.
Search patents in E04C- Granted patents
- 1,026
- Published applications
- 1,002
- Assignees
- 470
- Inventors
- 1,472
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 11 | 0 |
| 1978 | 14 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 3 | 0 |
| 1986 | 10 | 0 |
| 1987 | 13 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 13 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 8 | 0 |
| 1994 | 14 | 0 |
| 1995 | 18 | 0 |
| 1996 | 11 | 0 |
| 1997 | 24 | 0 |
| 1998 | 19 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 26 | 3 |
| 2002 | 8 | 16 |
| 2003 | 29 | 31 |
| 2004 | 22 | 36 |
| 2005 | 28 | 30 |
| 2006 | 18 | 30 |
| 2007 | 9 | 31 |
| 2008 | 15 | 33 |
| 2009 | 14 | 30 |
| 2010 | 14 | 27 |
| 2011 | 19 | 28 |
| 2012 | 18 | 28 |
| 2013 | 15 | 29 |
| 2014 | 28 | 48 |
| 2015 | 41 | 63 |
| 2016 | 42 | 51 |
| 2017 | 32 | 51 |
| 2018 | 40 | 58 |
| 2019 | 54 | 73 |
| 2020 | 55 | 51 |
| 2021 | 45 | 49 |
| 2022 | 48 | 50 |
| 2023 | 38 | 41 |
| 2024 | 43 | 49 |
| 2025 | 32 | 34 |
| 2026 | 22 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04C 5/162Connectors or means for connecting parts for reinforcements543
- E04C 5/20Of material other than metal or with only additional metal parts272
- E04C 5/168Spacers connecting parts for reinforcements and spacing the reinforcements from the form245
- E04C 5/18Spacers of metal or substantially of metal124
- E04C 5/161Protective caps for the ends of reinforcing bars85
Recent patents
- Collated rebar clip29 Sep 2026US 12,747,588 B2
- 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
- System and method of attaching precast panels25 Aug 2026US 12,716,231 B2Barsplic Products, Inc.
- Connection arrangement for panels28 Jul 2026US 12,692,703 B2Välinge Innovation AB
- Cantilevered apparatus for positioning bolts and reinforcing steel bars8 Oct 2026US 2026/0308912 A1BoltRail Ltd.
- Self-gripping, no-slip rebar coupler with tool-free engagement and multimechanism gripping assembly17 Sep 2026US 2026/0275719 A1
- Welded Rebar for Load Transfer System27 Aug 2026US 2026/0250951 A1
- Timber-concrete composite connector and ductile reinforcement chair27 Aug 2026US 2026/0250952 A1Som Iw Holdings, LLC
- Binding device27 Aug 2026US 2026/0250968 A1Max Co., Ltd.
Most cited
By later US patents
- Pipe retaining clip and method for installing radiant heat flooring174US 5,598,682 AHaughian Sales Ltd. · 1997
- Methods and apparatus for computer-assisted spray foam fabrication129US 9,566,742 B2Massachusetts Institute of Technology · 2017
- Methods and apparatus for computer-assisted spray foam fabrication120US 10,189,187 B2Massachusetts Institute of Technology · 2019
- Rebar spacer assembly99US 4,835,933 A1989
- Bar chair for reinforcing rods86US 4,060,954 A1977