B28B 21/56
Incorporating reinforcements or inserts
Official title: incorporating reinforcements {or inserts}
B28B21/56 (Incorporating reinforcements or inserts) appears on 91 US grants and 31 published applications in this corpus.
Search patents in B28B- Granted patents
- 91
- Published applications
- 31
- Assignees
- 55
- Inventors
- 134
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 3 | 3 |
| 2015 | 0 | 5 |
| 2016 | 4 | 1 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 4 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for tracking reinforcement member placement in an additively manufactured structure5 Mar 2024US 11,919,193 B2GE Infrastructure Technology LLC
- Method for manufacturing segments for a tower, prestressed segment, tower ring, tower, wind turbine, and prestressing device31 Jan 2023US 11,566,605 B2Wobben Properties GmbH
- Pre-stressed concrete pipe17 Jan 2023US 11,555,562 B1
- Exhaust subsystem with fiber pipe and method of forming fiber pipe24 May 2022US 11,339,704 B2NOVO Plastics Inc.
- Removable and replaceable anchored tunnel gasket23 Mar 2021US 10,954,668 B2Vertex, Inc.
- Core wall-thinning design method for prestressed high-performance concrete cylinder pipe22 Jan 2026US 2026/0022072 A1Zhengzhou University
- Novel pre-stressed concrete cylinder pipe with pre-embedded acoustic emission sensor and distributed optical fiber, and manufacturing and monitoring methods thereof15 Jan 2026US 2026/0016448 A1Beijing Hanjianheshan Pipeline Co., Ltd
- Recess former and anchor assembly4 Jul 2024US 2024/0217137 A1Leviat Pty Ltd
- System and method for tracking reinforcement member placement in an additively manufactured structure1 Feb 2024US 2024/0033967 A1General Electric Company
- Method for manufacturing segments for a tower, prestressed segment, tower ring, tower, wind turbine, and prestressing device10 Jun 2021US 2021/0172426 A1Wobben Properties GmbH
Most cited
By later US patents
- Method of making a molded-joint assembly47US 4,410,479 ABattenfeld Maschinenfabriken GmbH · 1983
- Method of installing manhole safety steps and plugs therefor31US 4,241,543 A1980
- Combination mould portion and protective element for pipe31US 4,522,669 AForsheda AB · 1985
- Concrete products and methods of fabrication26US 5,271,193 A1993
- Means for sealing the gap between two axially displaceable sealing surfaces25US 4,690,414 AMehren Rubber A/S · 1987