E04B 5/326
With hollow filling elements
Official title: {with hollow filling elements}
E04B5/326 (With hollow filling elements) appears on 60 US grants and 76 published applications in this corpus.
Search patents in E04B- Granted patents
- 60
- Published applications
- 76
- Assignees
- 32
- Inventors
- 91
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 5 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 3 | 4 |
| 2016 | 4 | 1 |
| 2017 | 2 | 7 |
| 2018 | 5 | 5 |
| 2019 | 4 | 7 |
| 2020 | 6 | 5 |
| 2021 | 4 | 5 |
| 2022 | 2 | 6 |
| 2023 | 6 | 4 |
| 2024 | 3 | 5 |
| 2025 | 3 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Support plate for installing tile14 Apr 2026US 12,601,188 B2Laticrete International, Inc.
- Receiving structure, textile-reinforced component and method for producing the component13 Jan 2026US 12,523,040 B2
- Building system30 Sep 2025US 12,428,832 B2NXT Building System Pty. Ltd.
- Precast base, method of manufacturing the precast base and method of installing architectural structure having the precast base23 Sep 2025US 12,420,448 B2Ruentex Engineering & Construction Co., Ltd.
- Formwork mechanism for casting and moulding concrete, comprising a coffer with a sheet and four plates arranged around the sheet's perimeter13 May 2025US 12,297,652 B2
- Building System Including Waffle Pods28 May 2026US 2026/0146439 A1NXT International Pty. Ltd.
- 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.
- Support Plate for Installing Tile26 Sep 2024US 2024/0318437 A1Laticrete International, Inc.
Most cited
By later US patents
- Reinforcement body for a floor slab45US 5,398,470 AAVI Alpenlandische Veredelungs-Industrie Gesellschaft m.b.H. · 1995
- Foundation form work23US 4,831,803 A1989
- Element for use in making a reinforced concrete structure with cavities, filler body for making such an element, and method of making a reinforced concrete structure with cavities22US 5,797,230 A1998
- Plane hollow reinforced concrete floors with two-dimensional structure18US 5,396,747 A1995
- Steel-concrete hollow bodied slab or ceiling16US 7,540,121 B2Bam · 2009