E04B 1/3448
With rotating shell-forming segments
Official title: {with rotating shell-forming segments}
E04B1/3448 (With rotating shell-forming segments) appears on 27 US grants and 18 published applications in this corpus.
Search patents in E04B- Granted patents
- 27
- Published applications
- 18
- Assignees
- 13
- Inventors
- 39
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 4 | 5 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Deployable vehicle cover3 Feb 2026US 12,539,746 B1
- Blast resistant shelter and method of assembly20 Feb 2024US 11,905,701 B2Southern Comfort Shelters, L.L.C.
- Mechanically assisted retractable nested-panel vehicle structure with drainage and moisture abatement strategies20 Feb 2024US 11,905,729 B2
- Convertible shipping container19 Dec 2023US 11,846,108 B2
- Blast resistant shelter and method of assembly16 Nov 2021US 11,174,629 B2Southern Comfort Shelters, L.L.C.
- Home Protection Dome Device20 Apr 2023US 2023/0119166 A1
- Mechanically assisted retractable nested-panel vehicle structure with drainage and moisture abatement strategies9 Feb 2023US 2023/0038590 A1
- Blast resistant shelter and method of assembly10 Mar 2022US 2022/0074192 A1Southern Comfort Shelters, L.L.C.
- Convertible shipping container12 Aug 2021US 2021/0246675 A1
- Expansion device of panels29 Aug 2019US 2019/0264438 A1GrandTech Fujimoto Co., Ltd.
Most cited
By later US patents
- Foldable, expandable framework for a variety of structural purposes56US 6,766,623 B12004
- Foldable, expandable framework for a variety of structural purposes34US 7,152,614 B22006
- Arch supported retractable inflatable roof33US 4,738,057 A1988
- Openable dome-shaped roof structure24US 5,007,214 AOhbayashi Corporation · 1991
- Retractable roof for stadium structure22US 4,995,203 AStadium Consultants International, Inc. · 1991