E04F 11/022
Characterised by the supporting structure
Official title: characterised by the supporting structure
E04F11/022 (Characterised by the supporting structure) appears on 330 US grants and 230 published applications in this corpus.
Search patents in E04F- Granted patents
- 330
- Published applications
- 230
- Assignees
- 160
- Inventors
- 538
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 9 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 12 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 2 |
| 2002 | 7 | 8 |
| 2003 | 6 | 7 |
| 2004 | 9 | 5 |
| 2005 | 6 | 10 |
| 2006 | 4 | 4 |
| 2007 | 1 | 8 |
| 2008 | 1 | 8 |
| 2009 | 4 | 11 |
| 2010 | 1 | 11 |
| 2011 | 11 | 10 |
| 2012 | 8 | 8 |
| 2013 | 4 | 8 |
| 2014 | 10 | 8 |
| 2015 | 11 | 8 |
| 2016 | 7 | 13 |
| 2017 | 12 | 9 |
| 2018 | 6 | 5 |
| 2019 | 10 | 12 |
| 2020 | 7 | 12 |
| 2021 | 5 | 11 |
| 2022 | 8 | 11 |
| 2023 | 15 | 12 |
| 2024 | 9 | 10 |
| 2025 | 11 | 12 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adjustable stair railing post assembly22 Sep 2026US 12,742,327 B2PrimeSource Building Products, Inc.
- Modular staircase1 Sep 2026US 12,723,410 B2NxGen Homes Pty Ltd
- Precast concrete stairway construction method25 Aug 2026US 12,716,243 B2Easycore Co., Ltd.
- Modular level access structures16 Jun 2026US 12,655,638 B2
- Box structure building partition12 May 2026US 12,624,591 B2Fakro Pp Sp. Z O.O.
- Modular Mining Escapeway9 Jul 2026US 2026/0193986 A1RAM Enterprise, Inc.
- Modular construction connection mechanism2 Jul 2026US 2026/0185358 A1Prefabricated Design Systems, LLC
- Assembly method for bath steps2 Jul 2026US 2026/0185359 A1Guangzhou Taisheng Sanitary Ware Technology Co.,Ltd
- Stringer connector and staircase11 Jun 2026US 2026/0160070 A1Peak Innovations Inc.
- Platform system11 Jun 2026US 2026/0160071 A1Safe Rack LLC
Most cited
By later US patents
- Portable stairs with adjustable landing platform height82US 6,810,995 B22004
- Newel post assembly77US 4,367,864 A1983
- Fiber reinforced plastic (FRP) composite structural system for decks, docks, boardwalks, walkways, spa decks, hot tub decks and gazebos and components therefore and method of making same76US 6,427,403 B12002
- Modular portable stage system72US 6,106,186 AWenger Corporation · 2000
- Glass support member48US 7,165,362 B2Apple Computer, Inc. · 2007