E04C 3/11
With non-parallel upper and lower edges
Official title: with non-parallel upper and lower edges, e.g. roof trusses (arched girders, portal frames E04C3/38)
E04C3/11 (With non-parallel upper and lower edges) appears on 161 US grants and 159 published applications in this corpus.
Search patents in E04C- Granted patents
- 161
- Published applications
- 159
- Assignees
- 84
- Inventors
- 262
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 6 |
| 2003 | 4 | 4 |
| 2004 | 5 | 14 |
| 2005 | 3 | 10 |
| 2006 | 4 | 11 |
| 2007 | 3 | 8 |
| 2008 | 6 | 12 |
| 2009 | 4 | 6 |
| 2010 | 7 | 6 |
| 2011 | 4 | 7 |
| 2012 | 5 | 5 |
| 2013 | 3 | 7 |
| 2014 | 8 | 7 |
| 2015 | 5 | 0 |
| 2016 | 3 | 10 |
| 2017 | 7 | 4 |
| 2018 | 4 | 4 |
| 2019 | 8 | 7 |
| 2020 | 4 | 2 |
| 2021 | 5 | 10 |
| 2022 | 1 | 8 |
| 2023 | 10 | 2 |
| 2024 | 3 | 5 |
| 2025 | 3 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Long-span corridor comprising two sets of floor cantilevered inclined trusses combined with suspension cable bearing and assembly method thereof21 Jul 2026US 12,687,008 B2
- Arch for metal canopy without welding6 Jan 2026US 12,516,524 B2
- Retractable angled roof for fast installation and shipment25 Feb 2025US 12,234,641 B2A&Cfuture, Inc.
- Wall roof truss building system18 Feb 2025US 12,227,946 B2
- Fiber reinforced polymer building systems and methods14 Jan 2025US 12,195,959 B2Northstar Technologies Group Inc.
- Cold-formed steel space truss15 Jan 2026US 2026/0015862 A1University of North Texas
- Arch for Metal Canopy Without Welding10 Jul 2025US 2025/0223805 A1
- Fiber Reinforced Polymer Building Systems and Methods8 May 2025US 2025/0146273 A1
- A truss26 Dec 2024US 2024/0426104 A1Framecad Licensing Limited
- Long-Span Corridor Comprising Two Sets Of Floor Cantilevered Inclined Trusses Combined With Suspension Cable Bearing And Assembly Method Thereof20 Jun 2024US 2024/0200321 A1Hangzhou City University
Most cited
By later US patents
- Roof truss and beam therefor85US 5,417,028 AUniframes Holdings Pty Limited · 1995
- Building system69US 5,657,606 A1997
- Lumber-compatible lightweight metal construction system68US 5,842,318 A1998
- Economical steel roof truss67US 4,982,545 A1991
- Structural shear resisting member and method employed therein67US 5,664,388 ADonna Bass · 1997