E04G 13/06
Falsework, forms, or shutterings for particular parts of buildings: for stairs, steps
Official title: for stairs, steps, cornices, balconies, or other parts corbelled out of the wall {(moulds for making prefabricated stair units B28B7/225; stairways with permanent forms E04F11/02)}
E04G13/06 (Falsework, forms, or shutterings for particular parts of buildings: for stairs, steps) appears on 89 US grants and 89 published applications in this corpus.
Search patents in E04G- Granted patents
- 89
- Published applications
- 89
- Assignees
- 43
- Inventors
- 147
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 4 |
| 2005 | 6 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 0 | 8 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 3 | 4 |
| 2012 | 3 | 1 |
| 2013 | 4 | 3 |
| 2014 | 2 | 6 |
| 2015 | 6 | 4 |
| 2016 | 1 | 6 |
| 2017 | 2 | 2 |
| 2018 | 4 | 4 |
| 2019 | 3 | 3 |
| 2020 | 3 | 3 |
| 2021 | 3 | 7 |
| 2022 | 2 | 10 |
| 2023 | 8 | 3 |
| 2024 | 4 | 2 |
| 2025 | 2 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Formwork system and method2 Jun 2026US 12,644,239 B2Peri SE
- Formwork wall panel and formwork assembly3 Mar 2026US 12,565,781 B2Fef Group Pty Ltd
- Modular construction connection mechanism15 Jul 2025US 12,359,439 B2Prefabricated Design Systems, LLC
- Pool stair forms and methods of forming pool stairs7 Jan 2025US 12,188,244 B2Imperial Pools, Inc.
- Shoring apparatus, system, and related method for concrete edge repairs19 Nov 2024US 12,146,329 B2National Concrete Preservation, Inc.
- Modular construction connection mechanism2 Jul 2026US 2026/0185358 A1Prefabricated Design Systems, LLC
- Formwork table element, formwork table and method for constructing slab formwork1 Jan 2026US 2026/0002370 A1Doka GmbH
- Formwork system and method18 Sep 2025US 2025/0290259 A1Peri SE
- Pool stair forms and methods of forming pool stairs8 May 2025US 2025/0146309 A1Imperial Pools, Inc.
- Quick curb bracket27 Mar 2025US 2025/0101755 A1Tuf-N-Lite, LLC
Most cited
By later US patents