E04C 3/127
With hollow cross section
Official title: {with hollow cross section}
E04C3/127 (With hollow cross section) appears on 39 US grants and 29 published applications in this corpus.
Search patents in E04C- Granted patents
- 39
- Published applications
- 29
- Assignees
- 20
- Inventors
- 66
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 1 |
| 2021 | 3 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 4 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Engineered wood structural system31 Dec 2024US 12,180,705 B2Phylem Structures, S.L.
- Engineered wood structural system31 Dec 2024US 12,180,706 B2Phylem Structures, S.L.
- Engineered wood structural system19 Dec 2023US 11,846,100 B2Phylem Structures, S.L.
- Thermal break wood columns, buttresses and headers with rigid insulation22 Feb 2022US 11,255,084 B2Roosevelt Energy, Inc.
- Prefabricated pole barn16 Mar 2021US 10,947,727 B1
- A wall stud made of hardboard18 Sep 2025US 2025/0290317 A1Umazing AB
- Component for producing building parts such as walls and ceilings23 Jan 2025US 2025/0027315 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Engineered wood structural system11 Jul 2024US 2024/0229457 A1Phylem Structures, S.L.
- Beam for constructing wood-framed buildings, construction element incorporating said beam and building constructed with at least one such element9 May 2024US 2024/0151034 A1Schmidthaus Limited
- Structural element for constructions18 Apr 2024US 2024/0125123 A1
Most cited
By later US patents
- Post cover with tongue and groove joint62US 5,987,845 A1999
- Pressed-in dovetail type joint34US 3,991,535 A1976
- Laminated wooden structural assembly34US 4,413,459 ABoise Cascade Corporation · 1983
- Building member34US 6,412,245 B1La Grouw Holdings Limited · 2002
- Lightweight composite building module30US 4,503,648 A1985