E04G 2009/028
With reinforcing ribs on the underside
Official title: {with reinforcing ribs on the underside}
E04G2009/028 (With reinforcing ribs on the underside) appears on 87 US grants and 121 published applications in this corpus.
Search patents in E04G- Granted patents
- 87
- Published applications
- 121
- Assignees
- 46
- Inventors
- 147
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 4 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 6 |
| 2015 | 5 | 7 |
| 2016 | 4 | 5 |
| 2017 | 5 | 8 |
| 2018 | 2 | 4 |
| 2019 | 7 | 7 |
| 2020 | 6 | 15 |
| 2021 | 8 | 3 |
| 2022 | 7 | 14 |
| 2023 | 3 | 16 |
| 2024 | 7 | 9 |
| 2025 | 10 | 6 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Formwork system18 Aug 2026US 12,709,892 B2Apache Industrial Services, Inc.
- Formwork system12 May 2026US 12,624,548 B2Apache Industrial Services, Inc.
- Formwork panel of a formwork system7 Apr 2026US 12,595,657 B2Apache Industrial Services, Inc.
- Clamp assembly for a formwork system24 Feb 2026US 12,559,939 B2Apache Industrial Services, Inc.
- Frame formwork element6 Jan 2026US 12,516,531 B2Peri SE
- Ventilated structural panels and method of construction with ventilated structural panels6 Aug 2026US 2026/0226740 A1
- Method for assembling a formwork unit16 Jul 2026US 2026/0201713 A1Doka GmbH
- Corner formwork system30 Apr 2026US 2026/0117534 A1Sistemas Tecnicos de Encofrados, S.A.
- Loop tie for concrete form panel systems13 Nov 2025US 2025/0347127 A1Titcomb Brothers Manufacturing, Inc.
- Clamp Assembly for a Formwork System11 Sep 2025US 2025/0283329 A1Apache Industrial Services, Inc.
Most cited
By later US patents
- Prefabricated assembly for poured concrete forming structures61US 5,078,360 ASperal Aluminium Inc. · 1992
- Hybrid insulated concrete form and method of making and using same51US 9,074,379 B22015
- Concrete construction form panel35US 4,150,808 A1979
- Outside bay adapter for a concrete forming system31US 5,044,601 ASymons Corporation · 1991
- Light-weight reinforced, tubular plastic footing form members and assemblies26US 6,742,758 B22004