E04B 2001/2442
Connections with built-in weakness points
Official title: {Connections with built-in weakness points}
E04B2001/2442 (Connections with built-in weakness points) appears on 85 US grants and 106 published applications in this corpus.
Search patents in E04B- Granted patents
- 85
- Published applications
- 106
- Assignees
- 52
- Inventors
- 146
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 3 |
| 2004 | 2 | 8 |
| 2005 | 1 | 6 |
| 2006 | 5 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 6 |
| 2012 | 2 | 1 |
| 2013 | 5 | 3 |
| 2014 | 6 | 5 |
| 2015 | 1 | 7 |
| 2016 | 5 | 8 |
| 2017 | 3 | 4 |
| 2018 | 2 | 7 |
| 2019 | 3 | 3 |
| 2020 | 5 | 6 |
| 2021 | 6 | 3 |
| 2022 | 3 | 7 |
| 2023 | 3 | 4 |
| 2024 | 4 | 5 |
| 2025 | 8 | 7 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, methods and apparatus for resilient Gert Haunch moment frame connection8 Sep 2026US 12,729,556 B2Cal Poly Corporation
- Notched moment frame connector system26 May 2026US 12,637,854 B2Simpson Strong-Tie Company, Inc.
- Yielding link, particularly for eccentrically braced frames17 Feb 2026US 12,553,251 B2Cast Connex Coproration
- Seismic anchor system, apparatus, and structure including same9 Dec 2025US 12,492,569 B2
- Seismic resilient precast concrete frame structure and construction method therefor28 Oct 2025US 12,454,842 B2Beijing Brace Damping Engineering Technology Co., Ltd
- Method of controlling the distribution of internal forces and deformations along the frame structure and the frame structure6 Aug 2026US 2026/0226735 A1
- Devices and systems for displacement control in seismic braces and yielding links12 Feb 2026US 2026/0043262 A1
- Full moment connection collar systems25 Dec 2025US 2025/0389111 A1ConXtech, Inc.
- Beam-column joint and construction structure including the same20 Nov 2025US 2025/0354371 A1Chien Kuo Construction Co., Ltd.
- Ductile anchor attachment mechanism self-aligning fuse plate system18 Sep 2025US 2025/0290310 A1
Most cited
By later US patents
- Steel frame stress reduction connection85US 6,237,303 B1Seismic Structural Design · 2001
- Steel frame stress reduction connection73US 5,680,738 ASeismic Structural Design Associates, Inc. · 1997
- Moment-resistant building frame structure componentry and method73US 6,837,016 B22005
- Beam-to-column connection56US 5,595,040 ANational Science Council · 1997
- Antiseismic steel structural work49US 5,148,642 AArbed S.A. · 1992