E04C 3/18
With metal or other reinforcements or tensioning members
Official title: with metal {or other} reinforcements or tensioning members
E04C3/18 (With metal or other reinforcements or tensioning members) appears on 144 US grants and 95 published applications in this corpus.
Search patents in E04C- Granted patents
- 144
- Published applications
- 95
- Assignees
- 70
- Inventors
- 229
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 1 |
| 2002 | 6 | 7 |
| 2003 | 4 | 4 |
| 2004 | 5 | 8 |
| 2005 | 3 | 6 |
| 2006 | 2 | 6 |
| 2007 | 1 | 5 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 2 | 5 |
| 2013 | 0 | 0 |
| 2014 | 3 | 2 |
| 2015 | 2 | 5 |
| 2016 | 4 | 3 |
| 2017 | 4 | 5 |
| 2018 | 2 | 5 |
| 2019 | 6 | 5 |
| 2020 | 8 | 4 |
| 2021 | 6 | 3 |
| 2022 | 1 | 6 |
| 2023 | 2 | 2 |
| 2024 | 2 | 4 |
| 2025 | 1 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of manufacturing non-glued laminated horizontal structural element for wood construction11 Jun 2026US 2026/0160065 A1National Cheng Kung University
- Wood coating and method4 Sep 2025US 2025/0277130 A1Tough By Nature, LLC
- Restrained joint apparatus, uses of, and methods for making, the same31 Jul 2025US 2025/0243667 A1
- Beam for building, and building26 Jun 2025US 2025/0207394 A1Sekisui House, Ltd.
- Composite Floor Beam8 Aug 2024US 2024/0263450 A1
Most cited
By later US patents
- Manufacture of wooden beams207US 4,738,071 AEzijoin Pty. Ltd. · 1988
- Manufacture of wooden beams186US 4,653,242 AEzijoin Pty. Ltd. · 1987
- Reinforced laminated beam64US 5,026,593 AElk River Enterprises, Inc. · 1991
- Aligned fiber reinforcement panel for structural wood members56US 5,362,545 A1994
- Cellulose surface material adhered to a reinforcement panel for structural wood members46US 5,641,553 A1997