E04B 2001/2451
Connections between closed section profiles
Official title: {Connections between closed section profiles}
E04B2001/2451 (Connections between closed section profiles) appears on 230 US grants and 233 published applications in this corpus.
Search patents in E04B- Granted patents
- 230
- Published applications
- 233
- Assignees
- 129
- Inventors
- 401
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 6 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 4 |
| 2003 | 2 | 5 |
| 2004 | 3 | 6 |
| 2005 | 1 | 9 |
| 2006 | 2 | 12 |
| 2007 | 6 | 7 |
| 2008 | 1 | 5 |
| 2009 | 5 | 4 |
| 2010 | 3 | 4 |
| 2011 | 4 | 6 |
| 2012 | 4 | 3 |
| 2013 | 3 | 2 |
| 2014 | 2 | 3 |
| 2015 | 5 | 11 |
| 2016 | 8 | 6 |
| 2017 | 5 | 11 |
| 2018 | 9 | 19 |
| 2019 | 19 | 18 |
| 2020 | 16 | 13 |
| 2021 | 12 | 16 |
| 2022 | 12 | 10 |
| 2023 | 18 | 23 |
| 2024 | 11 | 15 |
| 2025 | 12 | 10 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular building connector8 Sep 2026US 12,729,531 B2Z-Modular Holding, Inc.
- Load bearing system for a residential structure25 Aug 2026US 12,716,228 B2NxGen Homes Pty Ltd
- Quick installation structure for sunroom and sunroom30 Jun 2026US 12,668,967 B2Pinghu Leyou Sanitary Ware Co., Ltd.
- Multi-story building having load bearing walls and method to construct the building19 May 2026US 12,631,024 B2Innovative Building Technologies, LLC
- Multi-story building having prefabricated stair and elevator modules14 Apr 2026US 12,601,173 B2Innovative Building Technologies, LLC
- 3d connector for modular construction of multi-story buildings1 Oct 2026US 2026/0297927 A1Universidade De Coimbra
- Support structure for keels for building9 Jul 2026US 2026/0193878 A1
- Systems and methods for modular construction9 Jul 2026US 2026/0193879 A1Vector Meta Inc.
- Tensile membrane structure building system25 Jun 2026US 2026/0176888 A1Tenthouse Structures (Pty) Ltd
- Connection node for modular building structures11 Jun 2026US 2026/0160057 A1Palm Dreamscapes QOZB, LLC
Most cited
By later US patents
- Building structure and method of use124US 5,353,560 AHeydon Building Systems International, Limited · 1994
- Structure of lightweight bars and connector means therefore105US 4,069,638 AScanovator AB · 1978
- Framework of a building73US 5,678,375 A1997
- Easy-to-assembly patio construction70US 6,082,070 A2000
- Metal framing system65US 6,279,289 B12001