E04C 3/17
With non-parallel upper and lower edges
Official title: with non-parallel upper and lower edges, e.g. roof trusses
E04C3/17 (With non-parallel upper and lower edges) appears on 154 US grants and 120 published applications in this corpus.
Search patents in E04C- Granted patents
- 154
- Published applications
- 120
- Assignees
- 60
- Inventors
- 209
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 3 |
| 2002 | 12 | 8 |
| 2003 | 2 | 6 |
| 2004 | 6 | 7 |
| 2005 | 2 | 7 |
| 2006 | 5 | 4 |
| 2007 | 3 | 4 |
| 2008 | 1 | 10 |
| 2009 | 2 | 4 |
| 2010 | 2 | 8 |
| 2011 | 3 | 3 |
| 2012 | 3 | 3 |
| 2013 | 3 | 4 |
| 2014 | 5 | 3 |
| 2015 | 4 | 4 |
| 2016 | 2 | 5 |
| 2017 | 8 | 6 |
| 2018 | 2 | 0 |
| 2019 | 8 | 9 |
| 2020 | 4 | 3 |
| 2021 | 7 | 4 |
| 2022 | 3 | 5 |
| 2023 | 3 | 2 |
| 2024 | 2 | 3 |
| 2025 | 4 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Jigging systems for fabricating timber frames and applying attachments to members thereof19 May 2026US 12,631,035 B2Illinois Tool Works Inc.
- Wood with strengthening coating24 Feb 2026US 12,559,647 B2Tough By Nature, LLC
- Automated systems and methods for truss assemblies in the construction of modular buildings20 Jan 2026US 12,528,224 B2Buildz, LLC
- Building4 Nov 2025US 12,460,408 B2Sekisui House, Ltd.
- Wooden trusses manufactured using multiple printers12 Aug 2025US 12,384,071 B2Frametec Alpha IP LLC
- Automated systems and methods for truss assemblies in the construction of modular buildings1 Oct 2026US 2026/0295896 A1Buildz, LLC
- Assembly method of long-span truss25 Jun 2026US 2026/0176869 A1China Railway No. 4 Engineering Group Co., Ltd
- Connection joint of closure ofspace grid and truss structure and construction method thereof25 Jun 2026US 2026/0177090 A1China Railway No. 4 Engineering Group Co., Ltd
- Wood coating and method4 Sep 2025US 2025/0277130 A1Tough By Nature, LLC
- Wooden trusses manufactured using multiple printers8 May 2025US 2025/0146280 A1Frametec Alpha IP LLC
Most cited
By later US patents
- Aligned fiber reinforcement panel for structural wood members56US 5,362,545 A1994
- Method for defining a template for assembling a structure50US 5,388,318 ALaharco, Inc. · 1995
- Methods of designing and constructing Class-A fire-protected multi-story wood-framed buildings47US 10,260,232 B1M-Fire Supression, Inc. · 2019
- Brace for reinforcing roof attachment46US 5,303,520 A1994
- Cellulose surface material adhered to a reinforcement panel for structural wood members46US 5,641,553 A1997