B28B 23/18
For the production of elongated articles
Official title: for the production of elongated articles (B28B23/06 takes precedence)
B28B23/18 (For the production of elongated articles) appears on 23 US grants and 17 published applications in this corpus.
Search patents in B28B- Granted patents
- 23
- Published applications
- 17
- Assignees
- 18
- Inventors
- 61
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precast column and method of manufacturing the same3 Feb 2026US 12,540,473 B2Ruentex Engineering & Construction Co., Ltd.
- Carbon fiber-reinforced polymer active-passive-confined compression-cast reinforced concrete column incorporating cathodic protection27 Jan 2026US 12,534,811 B2Shenzhen University
- Reinforced recycled lump/aggregate concrete precast column and construction method thereof7 Oct 2025US 12,435,513 B2South China University of Technology
- Mold liner arrangement9 Jul 2024US 12,030,212 B2Vertech Hume Pty Ltd
- Double production line and rapid prefabrication process of segmental beam30 Apr 2024US 11,969,915 B2China Railway Guangzhou Engineering Group Co., Ltd.
- Carbon fiber-reinforced polymer active-passive-confined compression-cast reinforced concrete column incorporating cathodic protection16 Oct 2025US 2025/0320609 A1Shenzhen University
- Precast column and method of manufacturing the same21 Mar 2024US 2024/0093492 A1Ruentex Engineering & Construction Co., Ltd.
- Reinforced recycled lump/aggregate concrete precast column and construction method thereof12 Oct 2023US 2023/0323666 A1South China University of Technology
- Double Production Line and Rapid Prefabrication Process of Segmental Beam13 Apr 2023US 2023/0110001 A1China Railway Guangzhou Engineering Group Co., Ltd.
- Mold liner arrangement3 Feb 2022US 2022/0032502 A1Vertech Hume Pty Ltd
Most cited
By later US patents
- Slip form having reinforcement accommodating means24US 4,084,928 ACMI Corporation · 1978
- Composite girder with apparatus and method for forming the same19US 5,279,093 AMulach Parking Structures Corp. · 1994
- Concrete mould and method of moulding concrete panels10US 4,378,203 A1983
- Method of casting thin-walled, hollow concrete posts9US 4,178,338 AA-Betong AB · 1979
- Reinforced concrete pile and a method of manufacturing such a pile5US 3,930,373 A1976