E04G 11/486
Dropheads supporting the concrete after removal of the shuttering
Official title: {Dropheads supporting the concrete after removal of the shuttering; Connecting means on beams specially adapted for dropheads}
E04G11/486 (Dropheads supporting the concrete after removal of the shuttering) appears on 59 US grants and 59 published applications in this corpus.
Search patents in E04G- Granted patents
- 59
- Published applications
- 59
- Assignees
- 24
- Inventors
- 63
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 4 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 3 | 4 |
| 2019 | 4 | 6 |
| 2020 | 2 | 7 |
| 2021 | 4 | 5 |
| 2022 | 4 | 6 |
| 2023 | 4 | 5 |
| 2024 | 8 | 5 |
| 2025 | 6 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grid beam system for slab formwork10 Feb 2026US 12,546,127 B2Peri SE
- Supporting head for providing formwork units for floor slabs, and beam and panel for use with the supporting head16 Dec 2025US 12,497,790 B2Faresin Formwork S.P.A.
- Filler beam assembly30 Sep 2025US 12,428,861 B2Peri SE
- Deck building formwork convenient for safe and efficient assembly and disassembly20 May 2025US 12,305,409 B2Qingdao Keva Formwork Scaffold Co., Ltd.
- High-capacity beam and modular grid shoring systems1 Apr 2025US 12,264,486 B1Bond Formwork Systems, LLC
- Device for forming/stripping props for castings of concrete floor slabs8 Jan 2026US 2026/0009241 A1Faresin Formwork S.P.A.
- Deck Building Formwork Convenient For Safe And Efficient Assembly And Disassembly20 Mar 2025US 2025/0092694 A1Qingdao Keva Formwork Scaffold Co., Ltd.
- Grid beam system for slab formwork17 Oct 2024US 2024/0344342 A1Peri SE
- Slide-plate drop head and grid shoring systems3 Oct 2024US 2024/0328183 A1Bond Formwork Systems, LLC
- Connector strip for slab formwork25 Jul 2024US 2024/0247505 A1Peri SE
Most cited
By later US patents
- Shoring post with supplemental beam support29US 8,616,519 B2Titan Formwork Systems, LLC · 2013
- Formwork support system and formwork support prop26US 10,053,875 B1Doka GmbH · 2018
- Apparatus for use in buildings26US 4,122,645 AAcrow (Engineers) Limited · 1978
- Ceiling form21US 5,614,122 APeri SE · 1997
- Prop head for ceiling formwork20US 8,262,056 B2Peri SE · 2012