B28B 23/12
To form prestressed circumferential reinforcements
Official title: to form prestressed circumferential reinforcements
B28B23/12 (To form prestressed circumferential reinforcements) appears on 5 US grants and 5 published applications in this corpus.
Search patents in B28B- Granted patents
- 5
- Published applications
- 5
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for binding a cylindrical part by the tensioned winding of fibers5 Sep 2023US 11,745,386 B2Energiestro
- Prestressed concrete piling23 Apr 1996US 5,509,759 A
- Meshwork reinforced and pre-stressed concrete member, method and apparatus for making same25 Jun 1991US 5,025,605 ADainihon Glass Industry Co., Ltd.
- Application of inwardly directed prestressing pressure to concrete members20 Sep 1988US 4,771,530 AGeneral Atomics
- Apparatus for producing a concrete product prestressed in at least two directions12 Jan 1988US 4,718,839 AOy Partek AB
- Method for binding a cylindrical part by the tensioned winding of fibers7 Oct 2021US 2021/0308903 A1Energiestro
- Method for the Manufacture of Prefabricated Reinforced Mortar Panels and Slabs15 Sep 2011US 2011/0220773 A1
- Method and Apparatus for Making Fiber Composite Article10 Jun 2010US 2010/0139837 A1Specialty Composites Corporation
- Prestressed concrete building panel and method of fabricating the same5 Oct 2006US 2006/0218870 A1
- Method and device for producing carbon long-fiber-reinforced concrete members27 Feb 2003US 2003/0038398 A1
Most cited
By later US patents
- Meshwork reinforced and pre-stressed concrete member, method and apparatus for making same25US 5,025,605 ADainihon Glass Industry Co., Ltd. · 1991
- Application of inwardly directed prestressing pressure to concrete members14US 4,771,530 AGeneral Atomics · 1988
- Prestressed concrete piling13US 5,509,759 A1996
- Apparatus for producing a concrete product prestressed in at least two directions3US 4,718,839 AOy Partek AB · 1988