E04C 3/40
Of metal
Official title: of metal (E04C3/46 takes precedence)
E04C3/40 (Of metal) appears on 196 US grants and 148 published applications in this corpus.
Search patents in E04C- Granted patents
- 196
- Published applications
- 148
- Assignees
- 103
- Inventors
- 315
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 3 |
| 2002 | 7 | 8 |
| 2003 | 7 | 9 |
| 2004 | 7 | 4 |
| 2005 | 4 | 7 |
| 2006 | 0 | 6 |
| 2007 | 3 | 2 |
| 2008 | 1 | 5 |
| 2009 | 3 | 3 |
| 2010 | 4 | 6 |
| 2011 | 0 | 5 |
| 2012 | 1 | 12 |
| 2013 | 7 | 6 |
| 2014 | 8 | 12 |
| 2015 | 13 | 5 |
| 2016 | 4 | 3 |
| 2017 | 4 | 6 |
| 2018 | 2 | 6 |
| 2019 | 10 | 12 |
| 2020 | 9 | 8 |
| 2021 | 7 | 6 |
| 2022 | 4 | 4 |
| 2023 | 3 | 3 |
| 2024 | 3 | 1 |
| 2025 | 3 | 6 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arch for metal canopy without welding6 Jan 2026US 12,516,524 B2
- Yield link brace connector17 Jun 2025US 12,331,504 B2Simpson Strong-Tie Company, Inc.
- Modular structure for providing on-site protection1 Apr 2025US 12,264,487 B2Bam Nuttall Limited
- Wall roof truss building system18 Feb 2025US 12,227,946 B2
- Semi-permanent relocatable structure system30 Jul 2024US 12,049,757 B2XFS Global, LLC
- Modular structure for providing on-site protection18 Sep 2025US 2025/0290335 A1Bam Nuttall Limited
- Arch for Metal Canopy Without Welding10 Jul 2025US 2025/0223805 A1
- Prefabricated building systems with built-up structural elements29 May 2025US 2025/0172001 A1Folding Holdings, LLC
- Multiple cable, column and beam structures for supporting solar panels within a structural grid22 May 2025US 2025/0167720 A1P4P Energy LLC D/B/A Conger Solar
- Semi-permanent relocatable structure system30 Jan 2025US 2025/0034867 A1XFS Global, LLC
Most cited
By later US patents
- Vehicle bumper beam with non-uniform cross section82US 6,349,521 B1Shape Corp. · 2002
- Unitary metal structural member with internal reinforcement71US 6,955,023 B22005
- Gusset plate connections for structural braced systems65US 6,516,583 B12003
- Support system64US 5,205,101 A1993
- Variable load capacity and aesthetically enhanced construction components for patio enclosures63US 6,668,495 B12003