E04C 3/10
Prestressed
Official title: prestressed
E04C3/10 (Prestressed) appears on 40 US grants and 31 published applications in this corpus.
Search patents in E04C- Granted patents
- 40
- Published applications
- 31
- Assignees
- 27
- Inventors
- 82
- Latest grant
- 10 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 4 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for pre-stressing a steel structure, and steel structure pre-stressed using said method10 May 2022US 11,326,313 B2S&P Clever Reinforcement Company AG
- Hollow composite beam using dual-web and construction method thereof10 May 2022US 11,326,345 B2Korea Institute of Civil Engineering and Building Technology
- Support of segmented structural design3 Aug 2021US 11,078,053 B2Stahl Cranesystems GmbH
- Prefabricated structural bamboo system for slabs and roofs29 Sep 2020US 10,787,811 B2
- Fibre reinforced polymer structures7 Apr 2020US 10,612,240 B2
- Tensioned construction beam and method therefor5 Feb 2026US 2026/0035917 A1Post Tensioning Solutions LLC
- Pre-stressed intersecting modular truss and concrete decking floor system28 Jan 2021US 2021/0025164 A1
- Method for pre-stressing a steel structure, and steel structure pre-stressed using said method24 Sep 2020US 2020/0299911 A1S&P Clever Reinforcement Company AG
- Hollow composite beam using dual-web and construction method thereof28 May 2020US 2020/0165824 A1Korea Institute of Civil Engineering and Building Technology
- A steel beam embodiment with reinforced lower head2 Apr 2020US 2020/0102748 A1Onesteel Yapi Teknolojileri Ltd. Sti.
Most cited
By later US patents
- Metal beam structure and building construction including same44US 6,332,301 B12001
- Tension members41US 4,275,537 ATension Structures Co. · 1981
- Frame structure34US 4,047,341 A1977
- Adjustable truss34US 5,701,713 A1997
- Method for making a prestressed composite structure and structure made thereby28US 4,709,456 AStress Steel Co., Inc. · 1987