E04F 11/116
Of stone, concrete or like material or with an upper layer of
Official title: of stone, concrete or like material {or with an upper layer of stone or stone like material, e.g. ceramics, concrete; of glass or with an upper layer of glass}
E04F11/116 (Of stone, concrete or like material or with an upper layer of) appears on 43 US grants and 37 published applications in this corpus.
Search patents in E04F- Granted patents
- 43
- Published applications
- 37
- Assignees
- 27
- Inventors
- 99
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 1 | 2 |
| 2004 | 3 | 5 |
| 2005 | 2 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 3 | 2 |
| 2015 | 4 | 0 |
| 2016 | 2 | 0 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precast concrete stairway construction method25 Aug 2026US 12,716,243 B2Easycore Co., Ltd.
- Method for producing a structural element, and a staircase and a structural element and a staircase which have been produced according to this method21 Oct 2025US 12,448,777 B2Ecosourcen NV
- Tile and support structure14 May 2024US 11,982,087 B2Mbrico, LLC
- Fully-assembled staircase system and assembly method4 Jul 2023US 11,692,356 B2Changzhou Vocational Institute of Engineering
- Standoff for mounting panel and method for mounting panels10 Jan 2023US 11,549,269 B2Heartland Stairways Inc.
- Precast concrete stairway construction method17 Oct 2024US 2024/0344330 A1Easycore Co., Ltd.
- Tile and support structure27 Jun 2024US 2024/0209634 A1Mbrico, LLC
- Method for producing a structural element, and a staircase and a structural element and a staircase which have been produced according to this method6 Jul 2023US 2023/0212860 A1Ecosourcen NV
- Fully-assembled staircase system and assembly method18 Aug 2022US 2022/0259864 A1Changzhou Vocational Institute of Engineering
- Standoff for mounting panel and method for mounting panels22 Jul 2021US 2021/0222440 A1Heartland Stairways Inc.
Most cited
By later US patents
- Glass support member48US 7,165,362 B2Apple Computer, Inc. · 2007
- Modular stair assembly32US 6,763,912 B2Century Group, L.L.C. · 2004
- Concrete elevation assembly, hollow concrete block, and method of making20US 6,176,049 B1Step-by-Step Systems, LLC · 2001
- Concrete elevation assembly, hollow concrete block, and method of making17US 6,374,556 B2Step-by-Step Systems, LLC · 2002
- Modular masonry step and deck assembly16US 6,295,772 B1Bend Industries, Inc. · 2001