E04G 13/023
With means for modifying the sectional dimensions
Official title: {with means for modifying the sectional dimensions (E04G13/021 takes precedence)}
E04G13/023 (With means for modifying the sectional dimensions) appears on 14 US grants and 16 published applications in this corpus.
Search patents in E04G- Granted patents
- 14
- Published applications
- 16
- Assignees
- 15
- Inventors
- 26
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Column forming system8 Apr 2025US 12,270,211 B2Ellis Formwork Manufacturing, LLC
- Support waler and method of striking formwork9 Jul 2024US 12,031,340 B1PERI Formwork Systems, Inc.
- Spacers for repair of columns and piles20 Oct 2020US 10,808,412 B2
- Adjustable metal formwork system for concrete structures30 Jun 2015US 9,068,363 B2
- Vertical-cast concrete column forms and panel elements and method of fabrication2 Nov 2010US 7,824,598 B1
- Beam for formwork systems27 Oct 2022US 2022/0341193 A1Faresin Formwork S.P.A.
- Column forming system27 Oct 2022US 2022/0341194 A1Ellis Formwork Manufacturing, LLC
- Insert tool19 Aug 2021US 2021/0252683 A1
- On-Site Construction and Repair of Structural Elements and Pipes of any Desired Diameter with Reusable Materials31 Jan 2019US 2019/0032346 A1
- Concrete tower and climbing or self-climbing formwork device for its building onsite25 Oct 2018US 2018/0305938 A1Ingecid, InvestigacióN Y Desarrollo De Proyectos, S.L.
Most cited
By later US patents
- Conversion corner chamfer for form work13US 6,865,859 B2Dayton Superior Corporation · 2005
- Waler corner lock assembly10US 4,640,491 AThe Burke Company · 1987
- Adjustable modular form system and method for rectilinear concrete column form9US 6,676,102 B1Symons Corporation · 2004
- Outside conversion corner for form work8US 6,419,204 B1Safway Formwork Systems, LLC · 2002
- Formwork and connecting means apparatus for casting reinforced concrete7US 4,022,420 A1977