E04C 5/065
Light-weight girders
Official title: Light-weight girders, e.g. with precast parts (light-weight girders in general E04C3/08, E04C3/294)
E04C5/065 (Light-weight girders) appears on 56 US grants and 60 published applications in this corpus.
Search patents in E04C- Granted patents
- 56
- Published applications
- 60
- Assignees
- 45
- Inventors
- 107
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 4 |
| 2006 | 1 | 5 |
| 2007 | 2 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 2 | 4 |
| 2015 | 4 | 4 |
| 2016 | 1 | 2 |
| 2017 | 2 | 5 |
| 2018 | 2 | 2 |
| 2019 | 4 | 4 |
| 2020 | 1 | 3 |
| 2021 | 1 | 2 |
| 2022 | 0 | 3 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Building system30 Sep 2025US 12,428,832 B2NXT Building System Pty. Ltd.
- Variable assembly PC member29 Oct 2024US 12,129,653 B2Euro Engineering Co., Ltd.
- Building system29 Aug 2023US 11,739,521 B2NXT Building System Pty. Ltd.
- Serrated beam15 Aug 2023US 11,725,386 B2Simpson Strong-Tie Company, Inc.
- Three-dimensional lightweight steel framing system formed by bi-directional continuous double beams1 Aug 2023US 11,713,576 B2
- Building System Including Waffle Pods28 May 2026US 2026/0146439 A1NXT International Pty. Ltd.
- Building system18 Jan 2024US 2024/0018771 A1NXT Building System Pty. Ltd.
- Variable assembly pc member5 Jan 2023US 2023/0003024 A1Euro Engineering Co., Ltd.
- Column formwork improvements13 Oct 2022US 2022/0325523 A1Form 700 Pty Ltd
- Prefabricated modular system for constructing a sustainable dwelling2 Jun 2022US 2022/0170264 A1
Most cited
By later US patents
- Fireproof structural assembly43US 5,157,887 A1992
- Composite floor system39US 4,566,240 A1986
- Composite slab and joist assembly and method of manufacture thereof26US 7,013,613 B1Swirnow R & D, LLC · 2006
- Trusses and precast concrete slabs reinforced thereby24US 5,448,866 AHory Corporation Co., Ltd. · 1995
- Monolithic stud form for concrete wall production23US 6,427,406 B1SWA Holding Company, Inc. · 2002