E04B 1/1909
With central cylindrical connecting element
Official title: {with central cylindrical connecting element}
E04B1/1909 (With central cylindrical connecting element) appears on 76 US grants and 39 published applications in this corpus.
Search patents in E04B- Granted patents
- 76
- Published applications
- 39
- Assignees
- 33
- Inventors
- 105
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 3 |
| 2015 | 2 | 4 |
| 2016 | 1 | 2 |
| 2017 | 2 | 5 |
| 2018 | 4 | 4 |
| 2019 | 3 | 6 |
| 2020 | 7 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular space frame support system, work platform system and methods of erecting the same30 Jun 2026US 12,668,966 B2BrandSafway Services, LLC
- Welded fencing system with prefabricated connectors26 May 2026US 12,636,736 B2
- Welded fencing system with prefabricated connectors12 Mar 2024US 11,926,001 B2
- Connector for interconnecting frame members of a space frame assembly30 Jan 2024US 11,884,329 B2Caterpillar Inc.
- Joint connector21 Mar 2023US 11,608,625 B1
- Modular space frame support system, work platform system and methods of erecting the same8 Oct 2026US 2026/0308902 A1BrandSafway Services, LLC
- Welded Fencing System with Prefabricated Connectors31 Oct 2024US 2024/0359270 A1
- Modular space frame support system, work platform system and methods of erecting the same24 Aug 2023US 2023/0265645 A1BrandSafway Services, LLC
- Multi-panel variable structure6 Jul 2023US 2023/0212863 A1Stargo Brands LLC
- Connector for interconnecting frame members of a space frame assembly2 Feb 2023US 2023/0031824 A1Caterpillar Inc.
Most cited
By later US patents
- Hub assembly for collapsible structures63US 4,280,521 A1981
- Truss structure44US 5,125,206 AKabushiki Kaisha Toshiba · 1992
- Connector node41US 6,205,739 B1Tomcat Global Corporation · 2001
- Coupling system for bar structures40US 6,032,430 A2000
- Set of building elements for framework structures39US 5,802,798 AExpo Mart Inc. · 1998