E04B 1/22
With parts being prestressed
Official title: with parts being prestressed
E04B1/22 (With parts being prestressed) appears on 39 US grants and 31 published applications in this corpus.
Search patents in E04B- Granted patents
- 39
- Published applications
- 31
- Assignees
- 22
- Inventors
- 83
- Latest grant
- 14 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 1 |
| 2017 | 5 | 4 |
| 2018 | 3 | 5 |
| 2019 | 4 | 6 |
| 2020 | 3 | 1 |
| 2021 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing a reinforced concrete part, and thus-produced part14 Dec 2021US 11,199,000 B2Societe Civile de Brevets Matiere
- Method of introducing prestress to beam-column joint in triaxial compression7 Sep 2021US 11,111,664 B2Kurosawa Construction Co., Ltd.
- Method for erecting framework of structures11 May 2021US 11,002,004 B2
- Prestressed assembled concrete frame-joint connecting structure and constructing method thereof15 Dec 2020US 10,865,557 B2
- Cable anchorage with seal element, prestressing system comprising such anchorage and method for installing and tensioning a sheathed elongated element11 Aug 2020US 10,738,422 B2VSL International AG
- Method of introducing prestress to beam-column joint in triaxial compression18 Mar 2021US 2021/0079643 A1Kurosawa Construction Co., Ltd.
- Prestressed assembled concrete frame-joint connecting structure and constructing method thereof7 May 2020US 2020/0141110 A1China State Construction Engineering Cororation Limited
- Method for erecting framework of structures10 Oct 2019US 2019/0309508 A1
- Cable anchorage with seal element, prestressing system comprising such anchorage and method for installing and tensioning a sheathed elongated element27 Jun 2019US 2019/0194884 A1VSL International AG
- Precast concrete formwork, floor system and a method of construction13 Jun 2019US 2019/0177964 A1
Most cited
By later US patents
- Building framing system for post-tensioned modular building structures67US 4,059,931 A1977
- Structural units and arrays therefrom32US 4,324,037 A1982
- Modular structural arrays29US 4,910,940 A1990
- Assembly of prefabricated prestressed concrete elements with the use of a poststressing link means26US 3,952,468 A1976
- Column assembly23US 5,123,220 A1992