E04B 5/265
With one or more hollow cores
Official title: {with one or more hollow cores}
E04B5/265 (With one or more hollow cores) appears on 25 US grants and 22 published applications in this corpus.
Search patents in E04B- Granted patents
- 25
- Published applications
- 22
- Assignees
- 14
- Inventors
- 45
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 6 |
| 2020 | 3 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and arrangement for supporting a floor element on a beam and beam30 Sep 2025US 12,428,838 B2Peikko Group Oy
- Concrete form systems, devices, and related methods7 Jan 2025US 12,188,232 B2ICF Building Systems LLC
- Building system8 Oct 2024US 12,110,683 B2NXT Building System Pty. Ltd.
- Building structure20 Dec 2022US 11,530,547 B2Parkd Ltd
- Integrally assembled hidden beam hollow two-way floor system and method for assembling the same19 Apr 2022US 11,306,478 B2Chang An University
- System for Forming Ventilated Crawl Spaces or Interspaces or Elevated Platforms Composed by Dome-Shaped Formwork Elements Supported on Supporting Tubes Resting on a Foundation or on a Surface19 Feb 2026US 2026/0049488 A1Daliform Group S.R.L.
- System for Forming Ventilated Crawl Spaces or Interspaces or Elevated Platforms Composed by Dome-Shaped Formwork Elements Supported on Supporting Tubes Resting on a Foundation or on a Surface8 Jan 2026US 2026/0009221 A1Daliform Group S.R.L.
- Building System30 Jan 2025US 2025/0034866 A1NXT Building System Pty. Ltd.
- Concrete form systems, devices, and related methods21 Dec 2023US 2023/0407636 A1ICF Building Systems LLC
- Method and arrangement for supporting a floor element on a beam and beam17 Nov 2022US 2022/0364361 A1Peikko Group Oy
Most cited
By later US patents
- Composite building system and method of manufacturing same and components therefore31US 5,881,524 A1999
- Composite building system and method of manufacturing same and components therefor24US 5,373,675 A1994
- Concrete home building10US 7,147,197 B22006
- Construction of roofs, floors and beams9US 4,213,281 A1980
- Shallow flat soffit precast concrete floor system9US 8,671,634 B2Board of Regents of the University of Nebraska · 2014