E04G 23/0225
Of circular building elements
Official title: {of circular building elements, e.g. by circular bracing}
E04G23/0225 (Of circular building elements) appears on 85 US grants and 68 published applications in this corpus.
Search patents in E04G- Granted patents
- 85
- Published applications
- 68
- Assignees
- 57
- Inventors
- 152
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 4 |
| 2004 | 3 | 5 |
| 2005 | 1 | 5 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 3 | 2 |
| 2014 | 4 | 2 |
| 2015 | 1 | 4 |
| 2016 | 3 | 6 |
| 2017 | 2 | 4 |
| 2018 | 4 | 4 |
| 2019 | 4 | 6 |
| 2020 | 8 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 5 |
| 2023 | 5 | 4 |
| 2024 | 4 | 2 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Reinforcement of wind turbine structures14 Oct 2025US 12,442,207 B2Vestas Wind Systems A/S
- Structural element reinforcement systems and methods14 Jan 2025US 12,195,987 B2Carboshield, Inc.
- Apparatuses and systems for bracing vertical structures24 Dec 2024US 12,173,521 B2Osmose Utilities Services, Inc.
- Structural element reinforcement systems and methods21 May 2024US 11,987,981 B2Carboshield, Inc.
- Composite reinforcement of tubular structures7 May 2024US 11,976,768 B2Carboshield, Inc.
- Structural element reinforcement systems and methods24 Apr 2025US 2025/0129608 A1Carboshield, Inc.
- Composite reinforcement of tubular structures4 Jul 2024US 2024/0218954 A1Carboshield, Inc.
- Impregnation resin for a woven or stitched fabric21 Mar 2024US 2024/0092964 A1Sika Technology AG
- Apparatus and method for reinforcing a structural element23 Nov 2023US 2023/0374744 A1Carboshield, Inc.
- Composite reinforcement of tubular structures12 Oct 2023US 2023/0323995 A1Carboshield, Inc.
Most cited
By later US patents
- Process of improving the strength of existing concrete support columns76US 5,043,033 A1991
- Fabric reinforced concrete columns76US 5,218,810 AHexcel Corporation · 1993
- Supplementary reinforcing construction for a reinforced concrete pier51US 6,167,672 ANippon Steel Corporation · 2001
- Method for manufacturing concrete structure43US 4,786,341 AMitsubishi Chemical Industries Limited · 1988
- Curing of filament wound columns using a radiant heater41US 5,694,734 AXXSYS Technologies, Inc. · 1997