E04B 2001/2454
Connections between open and closed section profiles
Official title: {Connections between open and closed section profiles}
E04B2001/2454 (Connections between open and closed section profiles) appears on 149 US grants and 148 published applications in this corpus.
Search patents in E04B- Granted patents
- 149
- Published applications
- 148
- Assignees
- 74
- Inventors
- 230
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 3 |
| 2003 | 1 | 5 |
| 2004 | 5 | 13 |
| 2005 | 2 | 7 |
| 2006 | 7 | 7 |
| 2007 | 1 | 11 |
| 2008 | 0 | 8 |
| 2009 | 4 | 4 |
| 2010 | 5 | 8 |
| 2011 | 3 | 8 |
| 2012 | 5 | 3 |
| 2013 | 10 | 9 |
| 2014 | 9 | 5 |
| 2015 | 6 | 6 |
| 2016 | 9 | 11 |
| 2017 | 5 | 6 |
| 2018 | 4 | 6 |
| 2019 | 4 | 5 |
| 2020 | 5 | 4 |
| 2021 | 4 | 6 |
| 2022 | 5 | 3 |
| 2023 | 6 | 4 |
| 2024 | 3 | 3 |
| 2025 | 2 | 0 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Building structure and method of use124US 5,353,560 AHeydon Building Systems International, Limited · 1994
- Orthogonal framework for modular building systems114US 5,289,665 A1994
- Prefabricated structural connector for steel-frame buildings91US 4,577,449 A1986
- Building frame structure80US 6,802,169 B22004
- Moment-resistant building frame structure componentry and method73US 6,837,016 B22005